#121f28

Color #121f28

A muted very dark blue.

Closest named color Black #000000 · ΔE 13.74 Nearest Tailwind class mist-900 #161b1d · ΔE 4.8

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Conversions

HEX

#121f28

RGB

rgb(18, 31, 40)

HSL

hsl(204.5, 37.9%, 11.4%)

HSV / HSB

hsv(204.5, 55%, 15.7%)

CMYK

cmyk(55%, 22.5%, 0%, 84.3%)

LAB

lab(11, -2.54, -7.84)

LCH

lch(11, 8.24, 252.05)

OKLCH

oklch(23.2%, 0.0252, 239.47)

HWB

hwb(204.5, 7.1%, 84.3%)

Harmony colors

Complementary

#281b12

Analogous

#122826

#121f28

#121428

Triadic

#121f28

#28121f

#1f2812

Split-complementary

#121f28

#281214

#282612

Tetradic

#121f28

#1b1228

#281b12

#1f2812

Square

#121f28

#261228

#281b12

#142812

Shades

Color #121f28 mixed toward black.

#0f1a21

#0c151b

#091014

#060a0d

#030507

Tints

Color #121f28 mixed toward white.

#29475c

#417090

#6396b9

#97b9d0

#cbdce8

Tones

Color #121f28 mixed toward gray.

#141f26

#161e24

#181e23

#191e21

#1b1d1f

Accessibility

Aa White text on this color

16.77:1

Aa Black text on this color

1.25:1

White text reads better on this background (16.77:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#181926 · ΔE 8.2

Deuteranopia

#181726 · ΔE 10.2

Tritanopia

#132424 · ΔE 7.3

Achromatopsia

#1d1d1d · ΔE 7.3

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

Code

CSS

background-color: #121f28;

Tailwind (arbitrary value)

bg-[#121f28]

Related colors

Charcoal #36454f

Light Sky Blue #87cefa

Steel Blue #4682b4

Alice Blue #f0f8ff

Dodger Blue #1e90ff

Light Slate Gray #778899

Frequently asked questions

#121f28 (#121f28) is rgb(18, 31, 40) in RGB.

No, #121f28 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 #121f28, or check how it holds up for accessibility.

Generate a palette → Check contrast