#021f23

Color #021f23

A vivid, highly saturated very dark cyan.

Closest named color Black #000000 · ΔE 14.76 Nearest Tailwind class teal-950 #022f2e · ΔE 6.8

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Conversions

HEX

#021f23

RGB

rgb(2, 31, 35)

HSL

hsl(187.3, 89.2%, 7.3%)

HSV / HSB

hsv(187.3, 94.3%, 13.7%)

CMYK

cmyk(94.3%, 11.4%, 0%, 86.3%)

LAB

lab(9.91, -9.19, -5.92)

LCH

lch(9.91, 10.93, 212.79)

OKLCH

oklch(22%, 0.0355, 207.72)

HWB

hwb(187.3, 0.8%, 86.3%)

Harmony colors

Complementary

#230602

Analogous

#022317

#021f23

#020f23

Triadic

#021f23

#23021f

#1f2302

Split-complementary

#021f23

#23020f

#231702

Tetradic

#021f23

#060223

#230602

#1f2302

Square

#021f23

#170223

#230602

#0f2302

Shades

Color #021f23 mixed toward black.

#021a1d

#011517

#011012

#010a0c

#000506

Tints

Color #021f23 mixed toward white.

#06616e

#0ba3b8

#1fd9f2

#6ae5f6

#b4f2fb

Tones

Color #021f23 mixed toward gray.

#051d20

#081b1e

#0a191b

#0d1718

#101515

Accessibility

Aa White text on this color

17.17:1

Aa Black text on this color

1.22:1

White text reads better on this background (17.17:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#121322 · ΔE 15.8

Deuteranopia

#110e22 · ΔE 18.7

Tritanopia

#042121 · ΔE 2.8

Achromatopsia

#1b1b1b · ΔE 11.2

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

Code

CSS

background-color: #021f23;

Tailwind (arbitrary value)

bg-[#021f23]

Related colors

Powder Blue #b0e0e6

Cadet Blue #5f9ea0

Dark Turquoise #00ced1

Aqua #00ffff

Azure #f0ffff

Dark Cyan #008b8b

Frequently asked questions

#021f23 (#021f23) is rgb(2, 31, 35) in RGB.

No, #021f23 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 #021f23, or check how it holds up for accessibility.

Generate a palette → Check contrast