#0a1f3f

Color #0a1f3f

A vivid, highly saturated very dark blue.

Closest named color Charcoal #36454f · ΔE 23.7 Nearest Tailwind class blue-950 #162456 · ΔE 5

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Conversions

HEX

#0a1f3f

RGB

rgb(10, 31, 63)

HSL

hsl(216.2, 72.6%, 14.3%)

HSV / HSB

hsv(216.2, 84.1%, 24.7%)

CMYK

cmyk(84.1%, 50.8%, 0%, 75.3%)

LAB

lab(11.98, 5.15, -22.86)

LCH

lch(11.98, 23.43, 282.7)

OKLCH

oklch(24.3%, 0.0668, 258.77)

HWB

hwb(216.2, 3.9%, 75.3%)

Harmony colors

Complementary

#3f2a0a

Analogous

#0a393f

#0a1f3f

#0f0a3f

Triadic

#0a1f3f

#3f0a1f

#1f3f0a

Split-complementary

#0a1f3f

#3f0f0a

#393f0a

Tetradic

#0a1f3f

#2a0a3f

#3f2a0a

#1f3f0a

Square

#0a1f3f

#3f0a39

#3f2a0a

#0a3f0f

Shades

Color #0a1f3f mixed toward black.

#081a34

#07152a

#050f1f

#030a15

#02050a

Tints

Color #0a1f3f mixed toward white.

#143e7e

#1e5dbd

#4281e1

#81abeb

#c0d5f5

Tones

Color #0a1f3f mixed toward gray.

#0e203b

#132136

#172232

#1c232d

#202429

Accessibility

Aa White text on this color

16.4:1

Aa Black text on this color

1.28:1

White text reads better on this background (16.4:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#151539 · ΔE 6.4

Deuteranopia

#141238 · ΔE 7.3

Tritanopia

#0c3433 · ΔE 21.5

Achromatopsia

#1f1f1f · ΔE 15.6

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

Code

CSS

background-color: #0a1f3f;

Tailwind (arbitrary value)

bg-[#0a1f3f]

Related colors

Light Steel Blue #b0c4de

Cornflower Blue #6495ed

Light Slate Gray #778899

Slate Gray #708090

Dodger Blue #1e90ff

Alice Blue #f0f8ff

Frequently asked questions

#0a1f3f (#0a1f3f) is rgb(10, 31, 63) in RGB.

No, #0a1f3f 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.

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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 #0a1f3f, or check how it holds up for accessibility.

Generate a palette → Check contrast