#21c8dc

Color #21c8dc

A vivid, highly saturated medium cyan.

Closest named color Dark Turquoise #00ced1 · ΔE 10.86 Nearest Tailwind class cyan-400 #00d3f2 · ΔE 4.1

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Conversions

HEX

#21c8dc

RGB

rgb(33, 200, 220)

HSL

hsl(186.4, 73.9%, 49.6%)

HSV / HSB

hsv(186.4, 85%, 86.3%)

CMYK

cmyk(85%, 9.1%, 0%, 13.7%)

LAB

lab(74.06, -32.57, -21.3)

LCH

lch(74.06, 38.92, 213.18)

OKLCH

oklch(76.4%, 0.1264, 208.02)

HWB

hwb(186.4, 12.9%, 13.7%)

Harmony colors

Complementary

#dc3521

Analogous

#21dc92

#21c8dc

#216bdc

Triadic

#21c8dc

#dc21c8

#c8dc21

Split-complementary

#21c8dc

#dc216b

#dc9221

Tetradic

#21c8dc

#3521dc

#dc3521

#c8dc21

Square

#21c8dc

#9221dc

#dc3521

#6bdc21

Shades

Color #21c8dc mixed toward black.

#1ca7b7

#168593

#11646e

#0b4349

#062125

Tints

Color #21c8dc mixed toward white.

#45d2e3

#6adbe9

#8fe4ee

#b5edf4

#daf6f9

Tones

Color #21c8dc mixed toward gray.

#31bccc

#40afbd

#50a3ad

#5f979e

#6f8b8e

Accessibility

Aa White text on this color

2.03:1

Aa Black text on this color

10.36:1

Black text reads better on this background (10.36:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#8b8cd7 · ΔE 31.3

Deuteranopia

#8377d6 · ΔE 35.9

Tritanopia

#3bd4d3 · ΔE 7.7

Achromatopsia

#b6b6b6 · ΔE 23

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

Code

CSS

background-color: #21c8dc;

Tailwind (arbitrary value)

bg-[#21c8dc]

Related colors

Powder Blue #b0e0e6

Cadet Blue #5f9ea0

Dark Turquoise #00ced1

Aqua #00ffff

Azure #f0ffff

Dark Cyan #008b8b

Frequently asked questions

#21c8dc (#21c8dc) is rgb(33, 200, 220) in RGB.

No, #21c8dc 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 #21c8dc, or check how it holds up for accessibility.

Generate a palette → Check contrast