#1d2839

Color #1d2839

A muted very dark blue.

Closest named color Charcoal #36454f · ΔE 13.89 Nearest Tailwind class gray-800 #1e2939 · ΔE 0.7

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Conversions

HEX

#1d2839

RGB

rgb(29, 40, 57)

HSL

hsl(216.4, 32.6%, 16.9%)

HSV / HSB

hsv(216.4, 49.1%, 22.4%)

CMYK

cmyk(49.1%, 29.8%, 0%, 77.6%)

LAB

lab(15.87, 0.75, -12.44)

LCH

lch(15.87, 12.46, 273.45)

OKLCH

oklch(27.5%, 0.0353, 258.88)

HWB

hwb(216.4, 11.4%, 77.6%)

Harmony colors

Complementary

#392e1d

Analogous

#1d3639

#1d2839

#201d39

Triadic

#1d2839

#391d28

#28391d

Split-complementary

#1d2839

#39201d

#36391d

Tetradic

#1d2839

#2e1d39

#392e1d

#28391d

Square

#1d2839

#391d36

#392e1d

#1d3920

Shades

Color #1d2839 mixed toward black.

#182130

#131b26

#0f141d

#0a0d13

#05070a

Tints

Color #1d2839 mixed toward white.

#354968

#4d6a97

#738eb8

#a1b3cf

#d0d9e7

Tones

Color #1d2839 mixed toward gray.

#1f2937

#222934

#242a32

#262a30

#292b2d

Accessibility

Aa White text on this color

14.84:1

Aa Black text on this color

1.41:1

White text reads better on this background (14.84:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#222235 · ΔE 6.2

Deuteranopia

#222135 · ΔE 7

Tritanopia

#1e3232 · ΔE 12.8

Achromatopsia

#272727 · ΔE 9.8

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

Code

CSS

background-color: #1d2839;

Tailwind (arbitrary value)

bg-[#1d2839]

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

#1d2839 (#1d2839) is rgb(29, 40, 57) in RGB.

No, #1d2839 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 #1d2839, or check how it holds up for accessibility.

Generate a palette → Check contrast