#21b2fe

Color #21b2fe

A vivid, highly saturated medium blue.

Closest named color Deep Sky Blue #00bfff · ΔE 9.95 Nearest Tailwind class sky-500 #00a6f4 · ΔE 3.5

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

Conversions

HEX

#21b2fe

RGB

rgb(33, 178, 254)

HSL

hsl(200.6, 99.1%, 56.3%)

HSV / HSB

hsv(200.6, 87%, 99.6%)

CMYK

cmyk(87%, 29.9%, 0%, 0.4%)

LAB

lab(68.98, -9.86, -47.58)

LCH

lch(68.98, 48.59, 258.29)

OKLCH

oklch(72.7%, 0.1571, 239.26)

HWB

hwb(200.6, 12.9%, 0.4%)

Harmony colors

Complementary

#fe6d21

Analogous

#21fedb

#21b2fe

#2144fe

Triadic

#21b2fe

#fe21b2

#b2fe21

Split-complementary

#21b2fe

#fe2144

#fedb21

Tetradic

#21b2fe

#6d21fe

#fe6d21

#b2fe21

Square

#21b2fe

#db21fe

#fe6d21

#44fe21

Shades

Color #21b2fe mixed toward black.

#019dee

#017dbf

#015e8f

#003f5f

#001f30

Tints

Color #21b2fe mixed toward white.

#46bffe

#6bccfe

#90d9fe

#b5e5ff

#daf2ff

Tones

Color #21b2fe mixed toward gray.

#34acec

#46a7d9

#58a1c7

#6b9bb4

#7d95a2

Accessibility

Aa White text on this color

2.37:1

Aa Black text on this color

8.86:1

Black text reads better on this background (8.86:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#7c7dee · ΔE 24.2

Deuteranopia

#756aeb · ΔE 28.8

Tritanopia

#36e1de · ΔE 25.5

Achromatopsia

#a8a8a8 · ΔE 23.3

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

Code

CSS

background-color: #21b2fe;

Tailwind (arbitrary value)

bg-[#21b2fe]

Related colors

Light Sky Blue #87cefa

Sky Blue #87ceeb

Charcoal #36454f

Deep Sky Blue #00bfff

Light Blue #add8e6

Steel Blue #4682b4

Frequently asked questions

#21b2fe (#21b2fe) is rgb(33, 178, 254) in RGB.

No, #21b2fe 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.

Try it → Accessibility

Contrast Checker

Check the WCAG contrast ratio between any two colors, live, with AA/AAA pass-fail results.

Try it → Generators

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 #21b2fe, or check how it holds up for accessibility.

Generate a palette → Check contrast