Color

#056E9A

Cool blue. Nearest reference color: Sapphire blue.

RGB

0–255

110

154

CMYK

0–100%

96.75%

28.57%

39.61%

RGB describes how #056E9A is represented with light on digital screens. This color combines red 5, green 110 and blue 154.

CMYK describes the same color using the four components commonly used in printing: cyan 96.75%, magenta 28.57%, yellow 0% and black 39.61%.

HSL values

H 197.72° S 93.71% L 31.18%

In the HSL color model, #056E9A has a hue of 197.72°, 93.71% saturation and 31.18% lightness. The sliders below show where this color sits across each of these three dimensions.

Color insight

#056E9A is a medium, cool blue with moderate chroma.

Temperature: Cool
Lightness: Medium
Chroma: Moderate

Color formats

Copy #056E9A in a format ready to use in CSS, design tools or other applications.

HEX #056E9A

RGB rgb(5, 110, 154)

HSL hsl(197.72 93.71% 31.18%)

OKLCH oklch(0.508638 0.107107 235.4199)

CSS --color: #056E9A;

Tints of #056E9A

Tints are lighter variations of #056E9A. They keep the character of the original color while moving progressively toward a lighter appearance.

#DDF2FF #8DD5FF #5DB2E1 #398FBD #056E9A

Shades of #056E9A

Shades are darker variations of #056E9A. Moving toward black increases visual depth while preserving the underlying hue of the color.

#056E9A #005173 #00364E #001D2C #00070E

Tones of #056E9A

Tones reduce the chroma of #056E9A, producing quieter and more muted variations without simply making the color lighter or darker.

#056E9A #2D6D8F #416B84 #506A79 #5D676E

Tonal range of #056E9A

A continuous light-to-dark scale places #056E9A between its lighter tints and deeper shades.

#DDF2FF #8DD5FF #5DB2E1 #398FBD #056E9A #005173 #00364E #001D2C #00070E

CSS color scale

Use this tonal range as reusable CSS custom properties.

:root {
    --color-100: #DDF2FF;
    --color-200: #8DD5FF;
    --color-300: #5DB2E1;
    --color-400: #398FBD;
    --color-500: #056E9A;
    --color-600: #005173;
    --color-700: #00364E;
    --color-800: #001D2C;
    --color-900: #00070E;
}

Colors that go with #056E9A

Color harmonies for #056E9A 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.

#056E9A #93531F

Analogous

Neighboring hues that stay visually close to the original color.

#00747E #056E9A #4863A3

Triadic

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

#056E9A #944968 #646C14

Split complementary

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

#056E9A #9A4A45 #816000

Tetradic

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

#056E9A #844E87 #93531F #39753E

CSS gradients with #056E9A

These gradients show how #056E9A 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.

#056E9A #5691B4 #8FB5CD #C7DAE6 #FFFFFF

background: linear-gradient(90deg, #056E9A, #5691B4, #8FB5CD, #C7DAE6, #FFFFFF);

Toward black

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

#056E9A #024967 #012639 #000810 #000000

background: linear-gradient(90deg, #056E9A, #024967, #012639, #000810, #000000);

Toward the complementary color

A gradient connecting the original color with its complementary hue.

#056E9A #007571 #38753E #736600 #93531F

background: linear-gradient(90deg, #056E9A, #007571, #38753E, #736600, #93531F);

Text contrast and accessibility

Contrast determines how clearly text can be distinguished from #056E9A. The values below compare white and black text using WCAG contrast ratios.

White text

5.67:1

AA normal Pass AA large Pass AAA normal Fail

Black text

3.70:1

AA normal Fail AA large Pass AAA normal Fail

Recommended text color: #FFFFFF . Relative luminance: 0.1352 .

Accessible CSS

Use the recommended text color with #056E9A as the background.

background-color: #056E9A;
color: #FFFFFF;

Using #056E9A in design

See how #056E9A 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

#056E9A used as a full background with its recommended text color.

Accent

Accent color

Use #056E9A to emphasize selected interface elements without filling the entire surface.

Example action

Tonal pair

#8DD5FF

#056E9A

#001D2C

Colors similar to #056E9A

These nearby colors are generated from perceptual variations of #056E9A, including changes in lightness, chroma and hue.

#2E86B3 #00567A #006E9B #396C89 #00708F #266A9F #007D9F #175F92

Color vision simulation

The simulations below show mathematical approximations of how #056E9A 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 #586E9C Deuteranopia #466199 Tritanopia #00797D

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, #056E9A can also be represented in perceptual and device-independent color spaces used in color science and modern design tools.

XYZ

X: 11.4689
Y: 13.5157
Z: 32.5699

CIELAB

L*: 43.5302
a*: -9.5195
b*: -31.1184

OKLab

L: 0.508638
a: -0.06079
b: -0.088185

OKLCH

L: 0.508638
C: 0.107107
H: 235.4199°