#21a0c4

Color #21a0c4

A vivid, highly saturated medium cyan.

Closest named color Deep Sky Blue #00bfff · ΔE 18.8 Nearest Tailwind class cyan-600 #0092b8 · ΔE 4.7

Open in Palette generator Color wheel Color mixer Contrast checker Blindness simulator Gradient

Conversions

HEX

#21a0c4

RGB

rgb(33, 160, 196)

HSL

hsl(193.3, 71.2%, 44.9%)

HSV / HSB

hsv(193.3, 83.2%, 76.9%)

CMYK

cmyk(83.2%, 18.4%, 0%, 23.1%)

LAB

lab(61.17, -20.36, -27.82)

LCH

lch(61.17, 34.47, 233.8)

OKLCH

oklch(65.7%, 0.1149, 222.81)

HWB

hwb(193.3, 12.9%, 23.1%)

Harmony colors

Complementary

#c44521

Analogous

#21c497

#21a0c4

#214ec4

Triadic

#21a0c4

#c421a0

#a0c421

Split-complementary

#21a0c4

#c4214e

#c49721

Tetradic

#21a0c4

#4521c4

#c44521

#a0c421

Square

#21a0c4

#9721c4

#c44521

#4ec421

Shades

Color #21a0c4 mixed toward black.

#1b85a3

#166b83

#105062

#0b3541

#051b21

Tints

Color #21a0c4 mixed toward white.

#37b8dd

#5fc6e4

#87d5eb

#afe3f2

#d7f1f8

Tones

Color #21a0c4 mixed toward gray.

#2f98b6

#3c91a9

#4a899b

#57828e

#657a80

Accessibility

Aa White text on this color

3.05:1

Aa Black text on this color

6.89:1

Black text reads better on this background (6.89:1). That passes WCAG AA (≥4.5:1) for normal-size text, but not AAA.

Under color vision deficiencies

Protanopia

#7071bc · ΔE 25.7

Deuteranopia

#6960ba · ΔE 29.7

Tritanopia

#32b6b4 · ΔE 14.9

Achromatopsia

#949494 · ΔE 20.9

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

Code

CSS

background-color: #21a0c4;

Tailwind (arbitrary value)

bg-[#21a0c4]

Related colors

Light Blue #add8e6

Deep Sky Blue #00bfff

Sky Blue #87ceeb

Powder Blue #b0e0e6

Light Sky Blue #87cefa

Charcoal #36454f

Frequently asked questions

#21a0c4 (#21a0c4) is rgb(33, 160, 196) in RGB.

No, #21a0c4 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 #21a0c4, or check how it holds up for accessibility.

Generate a palette → Check contrast