#051231

Color #051231

A vivid, highly saturated very dark blue.

Closest named color Black #000000 · ΔE 24.11 Nearest Tailwind class slate-900 #0f172b · ΔE 4.6

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

Conversions

HEX

#051231

RGB

rgb(5, 18, 49)

HSL

hsl(222.3, 81.5%, 10.6%)

HSV / HSB

hsv(222.3, 89.8%, 19.2%)

CMYK

cmyk(89.8%, 63.3%, 0%, 80.8%)

LAB

lab(6.2, 7.4, -22.09)

LCH

lch(6.2, 23.3, 288.52)

OKLCH

oklch(19.3%, 0.0648, 263.27)

HWB

hwb(222.3, 2%, 80.8%)

Harmony colors

Complementary

#312405

Analogous

#052831

#051231

#0e0531

Triadic

#051231

#310512

#123105

Split-complementary

#051231

#310e05

#283105

Tetradic

#051231

#240531

#312405

#123105

Square

#051231

#310528

#312405

#05310e

Shades

Color #051231 mixed toward black.

#040f29

#030c21

#030919

#020610

#010308

Tints

Color #051231 mixed toward white.

#0c2b76

#1345bb

#3067ea

#759af1

#baccf8

Tones

Color #051231 mixed toward gray.

#09142d

#0c152a

#101726

#141822

#171a1f

Accessibility

Aa White text on this color

18.46:1

Aa Black text on this color

1.14:1

White text reads better on this background (18.46:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#0b0c2c · ΔE 2.7

Deuteranopia

#0b092a · ΔE 3.3

Tritanopia

#062726 · ΔE 22.1

Achromatopsia

#141414 · ΔE 15.8

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

Code

CSS

background-color: #051231;

Tailwind (arbitrary value)

bg-[#051231]

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

#051231 (#051231) is rgb(5, 18, 49) in RGB.

No, #051231 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.

Try it → Accessibility

Contrast Checker

Check the WCAG contrast ratio between any two colors, live, with AA/AAA pass-fail results.

Try it → Generators

Palette Generator

Generate complementary, analogous, triadic, split-complementary, tetradic, square, and monochromatic palettes from any base color.

Try it →

Build something with this color

Generate a full palette from #051231, or check how it holds up for accessibility.

Generate a palette → Check contrast