#121d38

Color #121d38

A moderately saturated very dark blue.

Closest named color Charcoal #36454f · ΔE 22.17 Nearest Tailwind class slate-900 #0f172b · ΔE 3.3

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Conversions

HEX

#121d38

RGB

rgb(18, 29, 56)

HSL

hsl(222.6, 51.4%, 14.5%)

HSV / HSB

hsv(222.6, 67.9%, 22%)

CMYK

cmyk(67.9%, 48.2%, 0%, 78%)

LAB

lab(11.22, 5.29, -19.08)

LCH

lch(11.22, 19.8, 285.5)

OKLCH

oklch(23.7%, 0.0544, 265.67)

HWB

hwb(222.6, 7.1%, 78%)

Harmony colors

Complementary

#382d12

Analogous

#123038

#121d38

#1a1238

Triadic

#121d38

#38121d

#1d3812

Split-complementary

#121d38

#381a12

#303812

Tetradic

#121d38

#2d1238

#382d12

#1d3812

Square

#121d38

#381230

#382d12

#12381a

Shades

Color #121d38 mixed toward black.

#0f182f

#0c1325

#090e1c

#060a13

#030509

Tints

Color #121d38 mixed toward white.

#24396f

#3556a6

#5a7aca

#91a7dc

#c8d3ed

Tones

Color #121d38 mixed toward gray.

#151e35

#182032

#1b212e

#1f222b

#222428

Accessibility

Aa White text on this color

16.69:1

Aa Black text on this color

1.26:1

White text reads better on this background (16.69:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#171733 · ΔE 4.4

Deuteranopia

#171632 · ΔE 4.8

Tritanopia

#132e2d · ΔE 19.8

Achromatopsia

#1e1e1e · ΔE 14.1

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

Code

CSS

background-color: #121d38;

Tailwind (arbitrary value)

bg-[#121d38]

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

#121d38 (#121d38) is rgb(18, 29, 56) in RGB.

No, #121d38 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 #121d38, or check how it holds up for accessibility.

Generate a palette → Check contrast