#121d35

Color #121d35

A moderately saturated very dark blue.

Closest named color Black #000000 · ΔE 20.86 Nearest Tailwind class slate-900 #0f172b · ΔE 2.4

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Conversions

HEX

#121d35

RGB

rgb(18, 29, 53)

HSL

hsl(221.1, 49.3%, 13.9%)

HSV / HSB

hsv(221.1, 66%, 20.8%)

CMYK

cmyk(66%, 45.3%, 0%, 79.2%)

LAB

lab(11.02, 4.04, -17.25)

LCH

lch(11.02, 17.72, 283.18)

OKLCH

oklch(23.4%, 0.0491, 264.28)

HWB

hwb(221.1, 7.1%, 79.2%)

Harmony colors

Complementary

#352a12

Analogous

#122e35

#121d35

#181235

Triadic

#121d35

#35121d

#1d3512

Split-complementary

#121d35

#351812

#2e3512

Tetradic

#121d35

#2a1235

#352a12

#1d3512

Square

#121d35

#35122e

#352a12

#123518

Shades

Color #121d35 mixed toward black.

#0f182c

#0c1323

#090e1a

#060a12

#030509

Tints

Color #121d35 mixed toward white.

#253b6c

#3759a2

#5b7dc7

#92a8da

#c8d4ec

Tones

Color #121d35 mixed toward gray.

#151e32

#181f2f

#1b202c

#1e2129

#212226

Accessibility

Aa White text on this color

16.76:1

Aa Black text on this color

1.25:1

White text reads better on this background (16.76:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#171730 · ΔE 4.8

Deuteranopia

#17162f · ΔE 5.3

Tritanopia

#132c2b · ΔE 18.3

Achromatopsia

#1e1e1e · ΔE 12.9

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

Code

CSS

background-color: #121d35;

Tailwind (arbitrary value)

bg-[#121d35]

Related colors

Cornflower Blue #6495ed

Royal Blue #4169e1

Light Steel Blue #b0c4de

Light Slate Gray #778899

Slate Gray #708090

Dodger Blue #1e90ff

Frequently asked questions

#121d35 (#121d35) is rgb(18, 29, 53) in RGB.

No, #121d35 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 #121d35, or check how it holds up for accessibility.

Generate a palette → Check contrast