#0a1f33

Color #0a1f33

A moderately saturated very dark blue.

Closest named color Charcoal #36454f · ΔE 19.1 Nearest Tailwind class slate-800 #1d293d · ΔE 4.2

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

Conversions

HEX

#0a1f33

RGB

rgb(10, 31, 51)

HSL

hsl(209.3, 67.2%, 12%)

HSV / HSB

hsv(209.3, 80.4%, 20%)

CMYK

cmyk(80.4%, 39.2%, 0%, 80%)

LAB

lab(11.16, -0.24, -15.63)

LCH

lch(11.16, 15.63, 269.12)

OKLCH

oklch(23.4%, 0.0473, 249.57)

HWB

hwb(209.3, 3.9%, 80%)

Harmony colors

Complementary

#331e0a

Analogous

#0a3333

#0a1f33

#0a0b33

Triadic

#0a1f33

#330a1f

#1f330a

Split-complementary

#0a1f33

#330a0b

#33330a

Tetradic

#0a1f33

#1e0a33

#331e0a

#1f330a

Square

#0a1f33

#330a33

#331e0a

#0b330a

Shades

Color #0a1f33 mixed toward black.

#081a2b

#071522

#05101a

#030a11

#020509

Tints

Color #0a1f33 mixed toward white.

#164572

#236bb0

#4391da

#82b5e6

#c0daf3

Tones

Color #0a1f33 mixed toward gray.

#0d1f30

#111f2c

#141f29

#181f25

#1b1f22

Accessibility

Aa White text on this color

16.71:1

Aa Black text on this color

1.26:1

White text reads better on this background (16.71:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#15152f · ΔE 9.9

Deuteranopia

#14122e · ΔE 11

Tritanopia

#0c2c2b · ΔE 15.5

Achromatopsia

#1e1e1e · ΔE 11.6

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

Code

CSS

background-color: #0a1f33;

Tailwind (arbitrary value)

bg-[#0a1f33]

Related colors

Dodger Blue #1e90ff

Light Slate Gray #778899

Slate Gray #708090

Alice Blue #f0f8ff

Steel Blue #4682b4

Light Steel Blue #b0c4de

Frequently asked questions

#0a1f33 (#0a1f33) is rgb(10, 31, 51) in RGB.

No, #0a1f33 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 #0a1f33, or check how it holds up for accessibility.

Generate a palette → Check contrast