#0a3e80

Color #0a3e80

A vivid, highly saturated dark blue.

Closest named color Dark Slate Blue #483d8b · ΔE 15.39 Nearest Tailwind class blue-900 #1c398e · ΔE 4.3

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

Conversions

HEX

#0a3e80

RGB

rgb(10, 62, 128)

HSL

hsl(213.6, 85.5%, 27.1%)

HSV / HSB

hsv(213.6, 92.2%, 50.2%)

CMYK

cmyk(92.2%, 51.6%, 0%, 49.8%)

LAB

lab(26.93, 11.17, -41.71)

LCH

lch(26.93, 43.18, 284.99)

OKLCH

oklch(37.3%, 0.1232, 257.29)

HWB

hwb(213.6, 3.9%, 49.8%)

Harmony colors

Complementary

#804c0a

Analogous

#0a7980

#0a3e80

#110a80

Triadic

#0a3e80

#800a3e

#3e800a

Split-complementary

#0a3e80

#80110a

#79800a

Tetradic

#0a3e80

#4c0a80

#804c0a

#3e800a

Square

#0a3e80

#800a79

#804c0a

#0a8011

Shades

Color #0a3e80 mixed toward black.

#08346b

#072955

#051f40

#03152b

#020a15

Tints

Color #0a3e80 mixed toward white.

#0f5aba

#1976ed

#5399f2

#8cbbf6

#c6ddfb

Tones

Color #0a3e80 mixed toward gray.

#143f76

#1e406c

#284263

#314359

#3b444f

Accessibility

Aa White text on this color

10.43:1

Aa Black text on this color

2.01:1

White text reads better on this background (10.43:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#292a74 · ΔE 9.2

Deuteranopia

#272371 · ΔE 11

Tritanopia

#106a67 · ΔE 29.1

Achromatopsia

#404040 · ΔE 22.1

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

Code

CSS

background-color: #0a3e80;

Tailwind (arbitrary value)

bg-[#0a3e80]

Related colors

Light Steel Blue #b0c4de

Light Slate Gray #778899

Slate Gray #708090

Dodger Blue #1e90ff

Cornflower Blue #6495ed

Alice Blue #f0f8ff

Frequently asked questions

#0a3e80 (#0a3e80) is rgb(10, 62, 128) in RGB.

No, #0a3e80 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.

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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.

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Build something with this color

Generate a full palette from #0a3e80, or check how it holds up for accessibility.

Generate a palette → Check contrast