#0a4fbc

Color #0a4fbc

A vivid, highly saturated dark blue.

Closest named color Royal Blue #4169e1 · ΔE 11.8 Nearest Tailwind class blue-800 #193cb8 · ΔE 6.4

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

Conversions

HEX

#0a4fbc

RGB

rgb(10, 79, 188)

HSL

hsl(216.7, 89.9%, 38.8%)

HSV / HSB

hsv(216.7, 94.7%, 73.7%)

CMYK

cmyk(94.7%, 58%, 0%, 26.3%)

LAB

lab(36.53, 24.38, -62.41)

LCH

lch(36.53, 67, 291.34)

OKLCH

oklch(46.1%, 0.1832, 260.45)

HWB

hwb(216.7, 3.9%, 26.3%)

Harmony colors

Complementary

#bc770a

Analogous

#0aa8bc

#0a4fbc

#1e0abc

Triadic

#0a4fbc

#bc0a4f

#4fbc0a

Split-complementary

#0a4fbc

#bc1e0a

#a8bc0a

Tetradic

#0a4fbc

#770abc

#bc770a

#4fbc0a

Square

#0a4fbc

#bc0aa8

#bc770a

#0abc1e

Shades

Color #0a4fbc mixed toward black.

#08429d

#07357d

#05285e

#031a3f

#020d1f

Tints

Color #0a4fbc mixed toward white.

#0d64ed

#3982f4

#6ba1f7

#9cc1fa

#cee0fc

Tones

Color #0a4fbc mixed toward gray.

#1952ad

#28569e

#36598f

#455c81

#546072

Accessibility

Aa White text on this color

7.35:1

Aa Black text on this color

2.86:1

White text reads better on this background (7.35:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#3536aa · ΔE 9.3

Deuteranopia

#312ca5 · ΔE 11.8

Tritanopia

#149995 · ΔE 39

Achromatopsia

#565656 · ΔE 26.8

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

Code

CSS

background-color: #0a4fbc;

Tailwind (arbitrary value)

bg-[#0a4fbc]

Related colors

Cornflower Blue #6495ed

Light Steel Blue #b0c4de

Light Slate Gray #778899

Slate Gray #708090

Dodger Blue #1e90ff

Royal Blue #4169e1

Frequently asked questions

#0a4fbc (#0a4fbc) is rgb(10, 79, 188) in RGB.

No, #0a4fbc is not one of the 216 web-safe colors — for that, every RGB channel would have to be a multiple of 51.

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 #0a4fbc, or check how it holds up for accessibility.

Generate a palette → Check contrast