#0a3664

Color #0a3664

A vivid, highly saturated dark blue.

Closest named color Charcoal #36454f · ΔE 25.25 Nearest Tailwind class sky-950 #052f4a · ΔE 5.5

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

Conversions

HEX

#0a3664

RGB

rgb(10, 54, 100)

HSL

hsl(210.7, 81.8%, 21.6%)

HSV / HSB

hsv(210.7, 90%, 39.2%)

CMYK

cmyk(90%, 46%, 0%, 60.8%)

LAB

lab(22.38, 4.68, -31.17)

LCH

lch(22.38, 31.52, 278.54)

OKLCH

oklch(33.2%, 0.0932, 253.61)

HWB

hwb(210.7, 3.9%, 60.8%)

Harmony colors

Complementary

#64380a

Analogous

#0a6364

#0a3664

#0b0a64

Triadic

#0a3664

#640a36

#36640a

Split-complementary

#0a3664

#640b0a

#63640a

Tetradic

#0a3664

#380a64

#64380a

#36640a

Square

#0a3664

#640a63

#64380a

#0a640b

Shades

Color #0a3664 mixed toward black.

#082d53

#072443

#051b32

#031221

#020911

Tints

Color #0a3664 mixed toward white.

#1057a1

#1677dd

#4999ed

#86bbf3

#c2ddf9

Tones

Color #0a3664 mixed toward gray.

#12365d

#193655

#21374e

#283746

#30373f

Accessibility

Aa White text on this color

12.18:1

Aa Black text on this color

1.72:1

White text reads better on this background (12.18:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#24245b · ΔE 9.5

Deuteranopia

#221e59 · ΔE 11.1

Tritanopia

#0f5452 · ΔE 24

Achromatopsia

#353535 · ΔE 18.6

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

Code

CSS

background-color: #0a3664;

Tailwind (arbitrary value)

bg-[#0a3664]

Related colors

Light Slate Gray #778899

Slate Gray #708090

Dodger Blue #1e90ff

Alice Blue #f0f8ff

Light Steel Blue #b0c4de

Steel Blue #4682b4

Frequently asked questions

#0a3664 (#0a3664) is rgb(10, 54, 100) in RGB.

No, #0a3664 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.

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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 #0a3664, or check how it holds up for accessibility.

Generate a palette → Check contrast