#121a23

Color #121a23

A muted very dark blue.

Closest named color Black #000000 · ΔE 11.57 Nearest Tailwind class mist-900 #161b1d · ΔE 4.6

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Conversions

HEX

#121a23

RGB

rgb(18, 26, 35)

HSL

hsl(211.8, 32.1%, 10.4%)

HSV / HSB

hsv(211.8, 48.6%, 13.7%)

CMYK

cmyk(48.6%, 25.7%, 0%, 86.3%)

LAB

lab(8.9, -0.67, -7.37)

LCH

lch(8.9, 7.4, 264.81)

OKLCH

oklch(21.4%, 0.0215, 251.82)

HWB

hwb(211.8, 7.1%, 86.3%)

Harmony colors

Complementary

#231b12

Analogous

#122323

#121a23

#131223

Triadic

#121a23

#23121a

#1a2312

Split-complementary

#121a23

#231312

#232312

Tetradic

#121a23

#1b1223

#231b12

#1a2312

Square

#121a23

#231223

#231b12

#122313

Shades

Color #121a23 mixed toward black.

#0f161d

#0c1117

#090d12

#06090c

#030406

Tints

Color #121a23 mixed toward white.

#2c3f55

#466588

#688bb1

#9ab1cb

#cdd8e5

Tones

Color #121a23 mixed toward gray.

#131a22

#151a20

#161a1f

#181a1d

#191a1c

Accessibility

Aa White text on this color

17.53:1

Aa Black text on this color

1.2:1

White text reads better on this background (17.53:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#161621 · ΔE 5.5

Deuteranopia

#151521 · ΔE 5.9

Tritanopia

#121f1f · ΔE 7.9

Achromatopsia

#191919 · ΔE 6.4

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

Code

CSS

background-color: #121a23;

Tailwind (arbitrary value)

bg-[#121a23]

Related colors

Light Slate Gray #778899

Slate Gray #708090

Light Steel Blue #b0c4de

Dodger Blue #1e90ff

Alice Blue #f0f8ff

Steel Blue #4682b4

Frequently asked questions

#121a23 (#121a23) is rgb(18, 26, 35) in RGB.

No, #121a23 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 #121a23, or check how it holds up for accessibility.

Generate a palette → Check contrast