#031d45

Color #031d45

A vivid, highly saturated very dark blue.

Closest named color Charcoal #36454f · ΔE 28.64 Nearest Tailwind class blue-950 #162456 · ΔE 3.8

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Conversions

HEX

#031d45

RGB

rgb(3, 29, 69)

HSL

hsl(216.4, 91.7%, 14.1%)

HSV / HSB

hsv(216.4, 95.7%, 27.1%)

CMYK

cmyk(95.7%, 58%, 0%, 72.9%)

LAB

lab(11.47, 8.42, -27.91)

LCH

lch(11.47, 29.15, 286.79)

OKLCH

oklch(24%, 0.0821, 258.55)

HWB

hwb(216.4, 1.2%, 72.9%)

Harmony colors

Complementary

#452b03

Analogous

#033e45

#031d45

#0a0345

Triadic

#031d45

#45031d

#1d4503

Split-complementary

#031d45

#450a03

#3e4503

Tetradic

#031d45

#2b0345

#452b03

#1d4503

Square

#031d45

#45033e

#452b03

#03450a

Shades

Color #031d45 mixed toward black.

#021839

#02132e

#010e22

#010a17

#00050b

Tints

Color #031d45 mixed toward white.

#063a8b

#0958d1

#2d7cf6

#73a8f9

#b9d3fc

Tones

Color #031d45 mixed toward gray.

#081e3f

#0e1f3a

#132034

#19222f

#1e2329

Accessibility

Aa White text on this color

16.59:1

Aa Black text on this color

1.27:1

White text reads better on this background (16.59:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#12123e · ΔE 6

Deuteranopia

#100e3c · ΔE 6.9

Tritanopia

#053836 · ΔE 24.4

Achromatopsia

#1e1e1e · ΔE 18

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

Code

CSS

background-color: #031d45;

Tailwind (arbitrary value)

bg-[#031d45]

Related colors

Cornflower Blue #6495ed

Light Steel Blue #b0c4de

Light Slate Gray #778899

Slate Gray #708090

Dodger Blue #1e90ff

Alice Blue #f0f8ff

Frequently asked questions

#031d45 (#031d45) is rgb(3, 29, 69) in RGB.

No, #031d45 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 #031d45, or check how it holds up for accessibility.

Generate a palette → Check contrast