#121c1e

Color #121c1e

A muted very dark cyan.

Closest named color Black #000000 · ΔE 10.57 Nearest Tailwind class mist-900 #161b1d · ΔE 2.7

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Conversions

HEX

#121c1e

RGB

rgb(18, 28, 30)

HSL

hsl(190, 25%, 9.4%)

HSV / HSB

hsv(190, 40%, 11.8%)

CMYK

cmyk(40%, 6.7%, 0%, 88.2%)

LAB

lab(9.42, -3.85, -2.84)

LCH

lch(9.42, 4.78, 216.41)

OKLCH

oklch(21.8%, 0.015, 211.36)

HWB

hwb(190, 7.1%, 88.2%)

Harmony colors

Complementary

#1e1412

Analogous

#121e1a

#121c1e

#12161e

Triadic

#121c1e

#1e121c

#1c1e12

Split-complementary

#121c1e

#1e1216

#1e1a12

Tetradic

#121c1e

#14121e

#1e1412

#1c1e12

Square

#121c1e

#1a121e

#1e1412

#161e12

Shades

Color #121c1e mixed toward black.

#0f1719

#0c1314

#090e0f

#06090a

#030505

Tints

Color #121c1e mixed toward white.

#2f494e

#4c767e

#6f9fa8

#9fbfc5

#cfdfe2

Tones

Color #121c1e mixed toward gray.

#131b1d

#141b1c

#151a1b

#16191a

#171919

Accessibility

Aa White text on this color

17.35:1

Aa Black text on this color

1.21:1

White text reads better on this background (17.35:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#17171e · ΔE 8.1

Deuteranopia

#16151d · ΔE 9.1

Tritanopia

#131d1d · ΔE 1.5

Achromatopsia

#1a1a1a · ΔE 5.6

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

Code

CSS

background-color: #121c1e;

Tailwind (arbitrary value)

bg-[#121c1e]

Related colors

Powder Blue #b0e0e6

Light Blue #add8e6

Deep Sky Blue #00bfff

Sky Blue #87ceeb

Cadet Blue #5f9ea0

Dark Turquoise #00ced1

Frequently asked questions

#121c1e (#121c1e) is rgb(18, 28, 30) in RGB.

No, #121c1e is not one of the 216 web-safe colors — for that, every RGB channel would have to be a multiple of 51.

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 #121c1e, or check how it holds up for accessibility.

Generate a palette → Check contrast