#0a1f3c

Color #0a1f3c

A vivid, highly saturated very dark blue.

Closest named color Charcoal #36454f · ΔE 22.33 Nearest Tailwind class slate-900 #0f172b · ΔE 4.7

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Conversions

HEX

#0a1f3c

RGB

rgb(10, 31, 60)

HSL

hsl(214.8, 71.4%, 13.7%)

HSV / HSB

hsv(214.8, 83.3%, 23.5%)

CMYK

cmyk(83.3%, 48.3%, 0%, 76.5%)

LAB

lab(11.76, 3.79, -21.1)

LCH

lch(11.76, 21.44, 280.18)

OKLCH

oklch(24%, 0.0618, 257.2)

HWB

hwb(214.8, 3.9%, 76.5%)

Harmony colors

Complementary

#3c270a

Analogous

#0a383c

#0a1f3c

#0e0a3c

Triadic

#0a1f3c

#3c0a1f

#1f3c0a

Split-complementary

#0a1f3c

#3c0e0a

#383c0a

Tetradic

#0a1f3c

#270a3c

#3c270a

#1f3c0a

Square

#0a1f3c

#3c0a38

#3c270a

#0a3c0e

Shades

Color #0a1f3c mixed toward black.

#081a32

#071528

#050f1e

#030a14

#02050a

Tints

Color #0a1f3c mixed toward white.

#143f7b

#1f60ba

#4284e0

#81adea

#c0d6f5

Tones

Color #0a1f3c mixed toward gray.

#0e2038

#122034

#16212f

#1b222b

#1f2227

Accessibility

Aa White text on this color

16.48:1

Aa Black text on this color

1.27:1

White text reads better on this background (16.48:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#151537 · ΔE 7.1

Deuteranopia

#141235 · ΔE 8

Tritanopia

#0c3231 · ΔE 20.3

Achromatopsia

#1f1f1f · ΔE 14.6

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

Code

CSS

background-color: #0a1f3c;

Tailwind (arbitrary value)

bg-[#0a1f3c]

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

#0a1f3c (#0a1f3c) is rgb(10, 31, 60) in RGB.

No, #0a1f3c 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 #0a1f3c, or check how it holds up for accessibility.

Generate a palette → Check contrast