#031138

Color #031138

A vivid, highly saturated very dark blue.

Closest named color Black #000000 · ΔE 29.91 Nearest Tailwind class indigo-950 #1e1a4d · ΔE 5.6

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

Conversions

HEX

#031138

RGB

rgb(3, 17, 56)

HSL

hsl(224.2, 89.8%, 11.6%)

HSV / HSB

hsv(224.2, 94.6%, 22%)

CMYK

cmyk(94.6%, 69.6%, 0%, 78%)

LAB

lab(6.37, 11.32, -26.94)

LCH

lch(6.37, 29.22, 292.79)

OKLCH

oklch(19.6%, 0.0791, 263.47)

HWB

hwb(224.2, 1.2%, 78%)

Harmony colors

Complementary

#382a03

Analogous

#032c38

#031138

#100338

Triadic

#031138

#380311

#113803

Split-complementary

#031138

#381003

#2c3803

Tetradic

#031138

#2a0338

#382a03

#113803

Square

#031138

#38032c

#382a03

#033810

Shades

Color #031138 mixed toward black.

#030e2f

#020b25

#02091c

#010613

#010309

Tints

Color #031138 mixed toward white.

#07277f

#0b3cc7

#295ef4

#7094f7

#b8c9fb

Tones

Color #031138 mixed toward gray.

#071334

#0c152f

#10172b

#151926

#191b22

Accessibility

Aa White text on this color

18.4:1

Aa Black text on this color

1.14:1

White text reads better on this background (18.4:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#0a0a32 · ΔE 2.5

Deuteranopia

#090830 · ΔE 2.6

Tritanopia

#042c2a · ΔE 25

Achromatopsia

#141414 · ΔE 18.4

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

Code

CSS

background-color: #031138;

Tailwind (arbitrary value)

bg-[#031138]

Related colors

Royal Blue #4169e1

Cornflower Blue #6495ed

Light Steel Blue #b0c4de

Light Slate Gray #778899

Slate Gray #708090

Dodger Blue #1e90ff

Frequently asked questions

#031138 (#031138) is rgb(3, 17, 56) in RGB.

No, #031138 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.

Try it → Accessibility

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 #031138, or check how it holds up for accessibility.

Generate a palette → Check contrast