Color

#1D6EA7

Cool blue. Nearest reference color: Honolulu blue.

RGB

0–255

110

167

CMYK

0–100%

82.63%

34.13%

34.51%

RGB describes how #1D6EA7 is represented with light on digital screens. This color combines red 29, green 110 and blue 167.

CMYK describes the same color using the four components commonly used in printing: cyan 82.63%, magenta 34.13%, yellow 0% and black 34.51%.

HSL values

H 204.78° S 70.41% L 38.43%

In the HSL color model, #1D6EA7 has a hue of 204.78°, 70.41% saturation and 38.43% lightness. The sliders below show where this color sits across each of these three dimensions.

Color insight

#1D6EA7 is a medium, cool blue with moderate chroma.

Temperature: Cool
Lightness: Medium
Chroma: Moderate

Color formats

Copy #1D6EA7 in a format ready to use in CSS, design tools or other applications.

HEX #1D6EA7

RGB rgb(29, 110, 167)

HSL hsl(204.78 70.41% 38.43%)

OKLCH oklch(0.51961 0.116929 244.8292)

CSS --color: #1D6EA7;

Tints of #1D6EA7

Tints are lighter variations of #1D6EA7. They keep the character of the original color while moving progressively toward a lighter appearance.

#E1F1FF #9DD2FF #65B0EE #438FCA #1D6EA7

Shades of #1D6EA7

Shades are darker variations of #1D6EA7. Moving toward black increases visual depth while preserving the underlying hue of the color.

#1D6EA7 #005182 #003658 #001C32 #000610

Tones of #1D6EA7

Tones reduce the chroma of #1D6EA7, producing quieter and more muted variations without simply making the color lighter or darker.

#1D6EA7 #366E9A #476D8D #546C80 #616A72

Tonal range of #1D6EA7

A continuous light-to-dark scale places #1D6EA7 between its lighter tints and deeper shades.

#E1F1FF #9DD2FF #65B0EE #438FCA #1D6EA7 #005182 #003658 #001C32 #000610

CSS color scale

Use this tonal range as reusable CSS custom properties.

:root {
    --color-100: #E1F1FF;
    --color-200: #9DD2FF;
    --color-300: #65B0EE;
    --color-400: #438FCA;
    --color-500: #1D6EA7;
    --color-600: #005182;
    --color-700: #003658;
    --color-800: #001C32;
    --color-900: #000610;
}

Colors that go with #1D6EA7

Color harmonies for #1D6EA7 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.

#1D6EA7 #965800

Analogous

Neighboring hues that stay visually close to the original color.

#00768A #1D6EA7 #5661AB

Triadic

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

#1D6EA7 #9F4860 #5A741B

Split complementary

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

#1D6EA7 #A14C38 #7C6700

Tetradic

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

#1D6EA7 #914C83 #965800 #1D7C4A

CSS gradients with #1D6EA7

These gradients show how #1D6EA7 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.

#1D6EA7 #5C92BE #92B6D4 #C8DAEA #FFFFFF

background: linear-gradient(90deg, #1D6EA7, #5C92BE, #92B6D4, #C8DAEA, #FFFFFF);

Toward black

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

#1D6EA7 #104970 #05263E #010812 #000000

background: linear-gradient(90deg, #1D6EA7, #104970, #05263E, #010812, #000000);

Toward the complementary color

A gradient connecting the original color with its complementary hue.

#1D6EA7 #695BA7 #914C84 #A1494D #965800

background: linear-gradient(90deg, #1D6EA7, #695BA7, #914C84, #A1494D, #965800);

Text contrast and accessibility

Contrast determines how clearly text can be distinguished from #1D6EA7. The values below compare white and black text using WCAG contrast ratios.

White text

5.47:1

AA normal Pass AA large Pass AAA normal Fail

Black text

3.84:1

AA normal Fail AA large Pass AAA normal Fail

Recommended text color: #FFFFFF . Relative luminance: 0.1420 .

Accessible CSS

Use the recommended text color with #1D6EA7 as the background.

background-color: #1D6EA7;
color: #FFFFFF;

Using #1D6EA7 in design

See how #1D6EA7 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

#1D6EA7 used as a full background with its recommended text color.

Accent

Accent color

Use #1D6EA7 to emphasize selected interface elements without filling the entire surface.

Example action

Tonal pair

#9DD2FF

#1D6EA7

#001C32

Colors similar to #1D6EA7

These nearby colors are generated from perceptual variations of #1D6EA7, including changes in lightness, chroma and hue.

#3A86C1 #00578A #006EAE #3D6D95 #00729E #356AAA #067EAE #2A5E9E

Color vision simulation

The simulations below show mathematical approximations of how #1D6EA7 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 #5370A9 Deuteranopia #4064A6 Tritanopia #007C83

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, #1D6EA7 can also be represented in perceptual and device-independent color spaces used in color science and modern design tools.

XYZ

X: 13.055
Y: 14.2015
Z: 38.6048

CIELAB

L*: 44.5205
a*: -2.8864
b*: -37.2089

OKLab

L: 0.51961
a: -0.049732
b: -0.105826

OKLCH

L: 0.51961
C: 0.116929
H: 244.8292°