#0a42ad

Color #0a42ad

A vivid, highly saturated dark blue.

Closest named color Royal Blue #4169e1 · ΔE 16.57 Nearest Tailwind class blue-800 #193cb8 · ΔE 3.2

Open in Palette generator Color wheel Color mixer Contrast checker Blindness simulator Gradient

Conversions

HEX

#0a42ad

RGB

rgb(10, 66, 173)

HSL

hsl(219.4, 89.1%, 35.9%)

HSV / HSB

hsv(219.4, 94.2%, 67.8%)

CMYK

cmyk(94.2%, 61.8%, 0%, 32.2%)

LAB

lab(31.75, 27.13, -61.34)

LCH

lch(31.75, 67.07, 293.86)

OKLCH

oklch(42.2%, 0.1796, 261.93)

HWB

hwb(219.4, 3.9%, 32.2%)

Harmony colors

Complementary

#ad750a

Analogous

#0a94ad

#0a42ad

#240aad

Triadic

#0a42ad

#ad0a42

#42ad0a

Split-complementary

#0a42ad

#ad240a

#94ad0a

Tetradic

#0a42ad

#750aad

#ad750a

#42ad0a

Square

#0a42ad

#ad0a94

#ad750a

#0aad24

Shades

Color #0a42ad mixed toward black.

#083790

#072c73

#052157

#03163a

#020b1d

Tints

Color #0a42ad mixed toward white.

#0d56e1

#3174f3

#6496f6

#98b9f9

#cbdcfc

Tones

Color #0a42ad mixed toward gray.

#1846a0

#254b92

#334f84

#405377

#4e5769

Accessibility

Aa White text on this color

8.77:1

Aa Black text on this color

2.4:1

White text reads better on this background (8.77:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#2c2d9b · ΔE 7.5

Deuteranopia

#292597 · ΔE 9.4

Tritanopia

#118c88 · ΔE 38.4

Achromatopsia

#4b4b4b · ΔE 26.8

Left half is the original, right half is the simulated appearance. See all 8 vision types →

Code

CSS

background-color: #0a42ad;

Tailwind (arbitrary value)

bg-[#0a42ad]

Related colors

Cornflower Blue #6495ed

Light Steel Blue #b0c4de

Royal Blue #4169e1

Light Slate Gray #778899

Slate Gray #708090

Dodger Blue #1e90ff

Frequently asked questions

#0a42ad (#0a42ad) is rgb(10, 66, 173) in RGB.

No, #0a42ad is not web-safe. The nearest web-safe colors are among its tones and shades below.

Related tools

Colors

HEX to RGB Converter

Convert any HEX color code to its RGB and HSL equivalents, live, with copy-to-clipboard values.

Try it → Accessibility

Contrast Checker

Check the WCAG contrast ratio between any two colors, live, with AA/AAA pass-fail results.

Try it → Generators

Palette Generator

Generate complementary, analogous, triadic, split-complementary, tetradic, square, and monochromatic palettes from any base color.

Try it →

Build something with this color

Generate a full palette from #0a42ad, or check how it holds up for accessibility.

Generate a palette → Check contrast