#121f23

Color #121f23

A muted very dark cyan.

Closest named color Black #000000 · ΔE 12.46 Nearest Tailwind class mist-900 #161b1d · ΔE 3.7

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Conversions

HEX

#121f23

RGB

rgb(18, 31, 35)

HSL

hsl(194.1, 32.1%, 10.4%)

HSV / HSB

hsv(194.1, 48.6%, 13.7%)

CMYK

cmyk(48.6%, 11.4%, 0%, 86.3%)

LAB

lab(10.78, -4.31, -4.52)

LCH

lch(10.78, 6.25, 226.36)

OKLCH

oklch(22.9%, 0.0197, 219.02)

HWB

hwb(194.1, 7.1%, 86.3%)

Harmony colors

Complementary

#231612

Analogous

#12231f

#121f23

#121723

Triadic

#121f23

#23121f

#1f2312

Split-complementary

#121f23

#231217

#231f12

Tetradic

#121f23

#161223

#231612

#1f2312

Square

#121f23

#1f1223

#231612

#172312

Shades

Color #121f23 mixed toward black.

#0f1a1d

#0c1517

#091012

#060a0c

#030506

Tints

Color #121f23 mixed toward white.

#2c4c55

#467888

#68a0b1

#9ac0cb

#cddfe5

Tones

Color #121f23 mixed toward gray.

#131e22

#151e20

#161d1f

#181c1d

#191b1c

Accessibility

Aa White text on this color

16.85:1

Aa Black text on this color

1.25:1

White text reads better on this background (16.85:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#181922 · ΔE 8.7

Deuteranopia

#181722 · ΔE 10.9

Tritanopia

#132121 · ΔE 3.1

Achromatopsia

#1d1d1d · ΔE 6.7

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

Code

CSS

background-color: #121f23;

Tailwind (arbitrary value)

bg-[#121f23]

Related colors

Light Blue #add8e6

Deep Sky Blue #00bfff

Sky Blue #87ceeb

Powder Blue #b0e0e6

Light Sky Blue #87cefa

Charcoal #36454f

Frequently asked questions

#121f23 (#121f23) is rgb(18, 31, 35) in RGB.

No, #121f23 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 #121f23, or check how it holds up for accessibility.

Generate a palette → Check contrast