#121a21

Color #121a21

A muted very dark blue.

Closest named color Black #000000 · ΔE 10.76 Nearest Tailwind class mist-900 #161b1d · ΔE 3.3

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Conversions

HEX

#121a21

RGB

rgb(18, 26, 33)

HSL

hsl(208, 29.4%, 10%)

HSV / HSB

hsv(208, 45.5%, 12.9%)

CMYK

cmyk(45.5%, 21.2%, 0%, 87.1%)

LAB

lab(8.8, -1.38, -6.03)

LCH

lch(8.8, 6.19, 257.11)

OKLCH

oklch(21.3%, 0.0183, 245.12)

HWB

hwb(208, 7.1%, 87.1%)

Harmony colors

Complementary

#211912

Analogous

#122120

#121a21

#121321

Triadic

#121a21

#21121a

#1a2112

Split-complementary

#121a21

#211213

#212012

Tetradic

#121a21

#191221

#211912

#1a2112

Square

#121a21

#201221

#211912

#132112

Shades

Color #121a21 mixed toward black.

#0f161b

#0c1116

#090d10

#06090b

#030405

Tints

Color #121a21 mixed toward white.

#2d4152

#486884

#6b8eae

#9cb4c9

#ced9e4

Tones

Color #121a21 mixed toward gray.

#131a20

#151a1e

#161a1d

#171a1c

#181a1b

Accessibility

Aa White text on this color

17.57:1

Aa Black text on this color

1.2:1

White text reads better on this background (17.57:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#16161f · ΔE 5.6

Deuteranopia

#15151f · ΔE 6

Tritanopia

#121e1e · ΔE 6.3

Achromatopsia

#191919 · ΔE 5.6

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

Code

CSS

background-color: #121a21;

Tailwind (arbitrary value)

bg-[#121a21]

Related colors

Alice Blue #f0f8ff

Steel Blue #4682b4

Dodger Blue #1e90ff

Light Slate Gray #778899

Slate Gray #708090

Charcoal #36454f

Frequently asked questions

#121a21 (#121a21) is rgb(18, 26, 33) in RGB.

No, #121a21 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 #121a21, or check how it holds up for accessibility.

Generate a palette → Check contrast