Color

#A1C7DE

Light muted cool blue. Nearest reference color: Pale cerulean.

RGB

0–255

161

199

222

CMYK

0–100%

27.48%

10.36%

12.94%

RGB describes how #A1C7DE is represented with light on digital screens. This color combines red 161, green 199 and blue 222.

CMYK describes the same color using the four components commonly used in printing: cyan 27.48%, magenta 10.36%, yellow 0% and black 12.94%.

HSL values

H 202.62° S 48.03% L 75.1%

In the HSL color model, #A1C7DE has a hue of 202.62°, 48.03% saturation and 75.1% lightness. The sliders below show where this color sits across each of these three dimensions.

Color insight

#A1C7DE is a light, cool blue with muted chroma.

Temperature: Cool
Lightness: Light
Chroma: Muted

Color formats

Copy #A1C7DE in a format ready to use in CSS, design tools or other applications.

HEX #A1C7DE

RGB rgb(161, 199, 222)

HSL hsl(202.62 48.03% 75.1%)

OKLCH oklch(0.809828 0.051953 234.8504)

CSS --color: #A1C7DE;

Tints of #A1C7DE

Tints are lighter variations of #A1C7DE. They keep the character of the original color while moving progressively toward a lighter appearance.

#DDF2FF #C5E9FF #B7DEF5 #ACD2EA #A1C7DE

Shades of #A1C7DE

Shades are darker variations of #A1C7DE. Moving toward black increases visual depth while preserving the underlying hue of the color.

#A1C7DE #6D91A7 #3B5E72 #0C3042 #00070E

Tones of #A1C7DE

Tones reduce the chroma of #A1C7DE, producing quieter and more muted variations without simply making the color lighter or darker.

#A1C7DE #A8C6D8 #AFC4D2 #B6C3CB #BCC2C5

Tonal range of #A1C7DE

A continuous light-to-dark scale places #A1C7DE between its lighter tints and deeper shades.

#DDF2FF #C5E9FF #B7DEF5 #ACD2EA #A1C7DE #6D91A7 #3B5E72 #0C3042 #00070E

CSS color scale

Use this tonal range as reusable CSS custom properties.

:root {
    --color-100: #DDF2FF;
    --color-200: #C5E9FF;
    --color-300: #B7DEF5;
    --color-400: #ACD2EA;
    --color-500: #A1C7DE;
    --color-600: #6D91A7;
    --color-700: #3B5E72;
    --color-800: #0C3042;
    --color-900: #00070E;
}

Colors that go with #A1C7DE

Color harmonies for #A1C7DE are generated by rotating its hue in the OKLCH color space while preserving its lightness and chroma. This creates classic complementary, analogous, triadic and other hue relationships with more consistent perceptual balance.

Complementary

Opposite on the color wheel, creating the strongest direct hue contrast.

#A1C7DE #DCB9A2

Analogous

Neighboring hues that stay visually close to the original color.

#9ACBD1 #A1C7DE #B0C1E3

Triadic

Three evenly spaced hues that create a broader, balanced color relationship.

#A1C7DE #DDB4C3 #BFC59F

Split complementary

Two hues around the complementary color, providing contrast with more variation.

#A1C7DE #E1B5B0 #D0BF9B

Tetradic

Four related hues forming two complementary pairs on the color wheel.

#A1C7DE #D3B6D4 #DCB9A2 #ADCAAD

CSS gradients with #A1C7DE

These gradients show how #A1C7DE moves toward white, black and its complementary color. Each gradient includes ready-to-use CSS that can be copied directly into a project.

Toward white

A light gradient that moves from the original color toward white.

#A1C7DE #B8D5E6 #D0E3EF #E7F1F7 #FFFFFF

background: linear-gradient(90deg, #A1C7DE, #B8D5E6, #D0E3EF, #E7F1F7, #FFFFFF);

Toward black

A dark gradient that moves from the original color toward black.

#A1C7DE #6C8797 #3C4C55 #11181C #000000

background: linear-gradient(90deg, #A1C7DE, #6C8797, #3C4C55, #11181C, #000000);

Toward the complementary color

A gradient connecting the original color with its complementary hue.

#A1C7DE #9BCCC8 #ADCAAD #C8C29C #DCB9A2

background: linear-gradient(90deg, #A1C7DE, #9BCCC8, #ADCAAD, #C8C29C, #DCB9A2);

Text contrast and accessibility

Contrast determines how clearly text can be distinguished from #A1C7DE. The values below compare white and black text using WCAG contrast ratios.

White text

1.79:1

AA normal Fail AA large Fail AAA normal Fail

Black text

11.74:1

AA normal Pass AA large Pass AAA normal Pass

Recommended text color: #000000 . Relative luminance: 0.5370 .

Accessible CSS

Use the recommended text color with #A1C7DE as the background.

background-color: #A1C7DE;
color: #000000;

Using #A1C7DE in design

See how #A1C7DE works in a simple interface. The examples below use the color as a background, accent and interface element, with text chosen from its accessibility result.

Background

Paletico Color in context

#A1C7DE used as a full background with its recommended text color.

Accent

Accent color

Use #A1C7DE to emphasize selected interface elements without filling the entire surface.

Example action

Tonal pair

#C5E9FF

#A1C7DE

#0C3042

Colors similar to #A1C7DE

These nearby colors are generated from perceptual variations of #A1C7DE, including changes in lightness, chroma and hue.

#BAE1F9 #88AEC4 #88CAF1 #B7C3CA #9DC9DA #A6C5E1 #AAD6E8 #99B8D4

Color vision simulation

The simulations below show mathematical approximations of how #A1C7DE may shift under three forms of color vision deficiency. They are simulations, not a diagnosis or an exact representation of any individual person's vision.

Protanopia #BCC6DF Deuteranopia #B4BFDE Tritanopia #8FCDCE

Simulation based on the model by Machado, Oliveira and Fernandes (2009), published in IEEE Transactions on Visualization and Computer Graphics. DOI: 10.1109/TVCG.2009.113.

Advanced color values

Beyond RGB, CMYK and HSL, #A1C7DE can also be represented in perceptual and device-independent color spaces used in color science and modern design tools.

XYZ

X: 48.3023
Y: 53.6959
Z: 76.9124

CIELAB

L*: 78.2841
a*: -7.3906
b*: -15.5596

OKLab

L: 0.809828
a: -0.02991
b: -0.04248

OKLCH

L: 0.809828
C: 0.051953
H: 234.8504°