Color

#1CA4DF

Cool blue. Nearest reference color: United Nations blue.

RGB

0–255

164

223

CMYK

0–100%

87.44%

26.46%

12.55%

RGB describes how #1CA4DF is represented with light on digital screens. This color combines red 28, green 164 and blue 223.

CMYK describes the same color using the four components commonly used in printing: cyan 87.44%, magenta 26.46%, yellow 0% and black 12.55%.

HSL values

H 198.15° S 77.69% L 49.22%

In the HSL color model, #1CA4DF has a hue of 198.15°, 77.69% saturation and 49.22% lightness. The sliders below show where this color sits across each of these three dimensions.

Color insight

#1CA4DF is a medium, cool blue with moderate chroma.

Temperature: Cool
Lightness: Medium
Chroma: Moderate

Color formats

Copy #1CA4DF in a format ready to use in CSS, design tools or other applications.

HEX #1CA4DF

RGB rgb(28, 164, 223)

HSL hsl(198.15 77.69% 49.22%)

OKLCH oklch(0.678602 0.136781 234.4032)

CSS --color: #1CA4DF;

Tints of #1CA4DF

Tints are lighter variations of #1CA4DF. They keep the character of the original color while moving progressively toward a lighter appearance.

#DDF2FF #ACE0FF #75CEFF #3EBAF6 #1CA4DF

Shades of #1CA4DF

Shades are darker variations of #1CA4DF. Moving toward black increases visual depth while preserving the underlying hue of the color.

#1CA4DF #0078A6 #004E6E #00283A #00070E

Tones of #1CA4DF

Tones reduce the chroma of #1CA4DF, producing quieter and more muted variations without simply making the color lighter or darker.

#1CA4DF #4BA2D0 #65A0C1 #7A9DB2 #8C9AA3

Tonal range of #1CA4DF

A continuous light-to-dark scale places #1CA4DF between its lighter tints and deeper shades.

#DDF2FF #ACE0FF #75CEFF #3EBAF6 #1CA4DF #0078A6 #004E6E #00283A #00070E

CSS color scale

Use this tonal range as reusable CSS custom properties.

:root {
    --color-100: #DDF2FF;
    --color-200: #ACE0FF;
    --color-300: #75CEFF;
    --color-400: #3EBAF6;
    --color-500: #1CA4DF;
    --color-600: #0078A6;
    --color-700: #004E6E;
    --color-800: #00283A;
    --color-900: #00070E;
}

Colors that go with #1CA4DF

Color harmonies for #1CA4DF 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.

#1CA4DF #D77E3B

Analogous

Neighboring hues that stay visually close to the original color.

#00ACB9 #1CA4DF #6D95EC

Triadic

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

#1CA4DF #D8719D #97A12C

Split complementary

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

#1CA4DF #E0736D #BF8F0C

Tetradic

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

#1CA4DF #C179C7 #D77E3B #5DAD5F

CSS gradients with #1CA4DF

These gradients show how #1CA4DF 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.

#1CA4DF #6ABBE8 #9FD2F1 #CFE9F8 #FFFFFF

background: linear-gradient(90deg, #1CA4DF, #6ABBE8, #9FD2F1, #CFE9F8, #FFFFFF);

Toward black

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

#1CA4DF #0F6E97 #053D56 #01111C #000000

background: linear-gradient(90deg, #1CA4DF, #0F6E97, #053D56, #01111C, #000000);

Toward the complementary color

A gradient connecting the original color with its complementary hue.

#1CA4DF #00AEA7 #5DAD60 #AC9813 #D77E3B

background: linear-gradient(90deg, #1CA4DF, #00AEA7, #5DAD60, #AC9813, #D77E3B);

Text contrast and accessibility

Contrast determines how clearly text can be distinguished from #1CA4DF. The values below compare white and black text using WCAG contrast ratios.

White text

2.83:1

AA normal Fail AA large Fail AAA normal Fail

Black text

7.43:1

AA normal Pass AA large Pass AAA normal Pass

Recommended text color: #000000 . Relative luminance: 0.3213 .

Accessible CSS

Use the recommended text color with #1CA4DF as the background.

background-color: #1CA4DF;
color: #000000;

Using #1CA4DF in design

See how #1CA4DF 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

#1CA4DF used as a full background with its recommended text color.

Accent

Accent color

Use #1CA4DF to emphasize selected interface elements without filling the entire surface.

Example action

Tonal pair

#ACE0FF

#1CA4DF

#00283A

Colors similar to #1CA4DF

These nearby colors are generated from perceptual variations of #1CA4DF, including changes in lightness, chroma and hue.

#43BEFA #008ABF #00A4E2 #51A2CD #00A8D2 #409FE6 #00B5E3 #3193D8

Color vision simulation

The simulations below show mathematical approximations of how #1CA4DF 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 #87A3E2 Deuteranopia #6E92DE Tritanopia #00B3B8

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, #1CA4DF can also be represented in perceptual and device-independent color spaces used in color science and modern design tools.

XYZ

X: 27.0682
Y: 32.122
Z: 74.5712

CIELAB

L*: 63.4436
a*: -13.4687
b*: -39.3208

OKLab

L: 0.678602
a: -0.079617
b: -0.111221

OKLCH

L: 0.678602
C: 0.136781
H: 234.4032°