#051d3c

Color #051d3c

A vivid, highly saturated very dark blue.

Closest named color Charcoal #36454f · ΔE 24.13 Nearest Tailwind class slate-900 #0f172b · ΔE 5

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Conversions

HEX

#051d3c

RGB

rgb(5, 29, 60)

HSL

hsl(213.8, 84.6%, 12.7%)

HSV / HSB

hsv(213.8, 91.7%, 23.5%)

CMYK

cmyk(91.7%, 51.7%, 0%, 76.5%)

LAB

lab(10.83, 4.46, -22.6)

LCH

lch(10.83, 23.04, 281.16)

OKLCH

oklch(23.3%, 0.0668, 255.96)

HWB

hwb(213.8, 2%, 76.5%)

Harmony colors

Complementary

#3c2405

Analogous

#05383c

#051d3c

#08053c

Triadic

#051d3c

#3c051d

#1d3c05

Split-complementary

#051d3c

#3c0805

#383c05

Tetradic

#051d3c

#24053c

#3c2405

#1d3c05

Square

#051d3c

#3c0538

#3c2405

#053c08

Shades

Color #051d3c mixed toward black.

#041832

#031328

#020e1e

#020a14

#01050a

Tints

Color #051d3c mixed toward white.

#0b3e80

#105fc5

#3284ee

#76adf4

#bbd6f9

Tones

Color #051d3c mixed toward gray.

#0a1d37

#0e1e33

#131f2e

#171f2a

#1c2025

Accessibility

Aa White text on this color

16.83:1

Aa Black text on this color

1.25:1

White text reads better on this background (16.83:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#121236 · ΔE 7.2

Deuteranopia

#110f35 · ΔE 7.8

Tritanopia

#073130 · ΔE 21.1

Achromatopsia

#1d1d1d · ΔE 15.4

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

Code

CSS

background-color: #051d3c;

Tailwind (arbitrary value)

bg-[#051d3c]

Related colors

Light Steel Blue #b0c4de

Light Slate Gray #778899

Slate Gray #708090

Dodger Blue #1e90ff

Cornflower Blue #6495ed

Alice Blue #f0f8ff

Frequently asked questions

#051d3c (#051d3c) is rgb(5, 29, 60) in RGB.

No, #051d3c 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 #051d3c, or check how it holds up for accessibility.

Generate a palette → Check contrast