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Colors
#21D5EF

#21D5EF

Every representation of #21D5EF, its WCAG contrast behavior, and related colors worth exploring. Click any value to copy it.

AaAa

Relative luminance: 0.5414
Brightness: 162 / 255
Reads as: A light color — pair it with dark text.

Color formats

HEX: #21d5ef
RGB: rgb(33, 213, 239)
RGBA: rgba(33, 213, 239, 1)
CMYK: cmyk(86%, 11%, 0%, 6%)
HSV: hsv(188°, 86%, 94%)
HSL: hsl(188, 87%, 53%)
LAB: lab(78.54% -32.83 -24.68)
XYZ: xyz(39.99, 54.14, 89.99)

Accessibility

WCAG 2 contrast for #21D5EF as a text color on the two most common surfaces.

On white

Fail

The quick brown fox jumps over the lazy dog.

Contrast ratio: 1.78:1

AA normal textFail
AA large textFail
AAA normal textFail
AAA large textFail
UI componentsFail

On black

AAA

The quick brown fox jumps over the lazy dog.

Contrast ratio: 11.83:1

AA normal textPass
AA large textPass
AAA normal textPass
AAA large textPass
UI componentsPass

Related colors

Shades (darker)

#0fbbd3 #0c95a9 #09707f #064b55 #03252a

Tints (lighter)

#46dcf2 #6be3f4 #90eaf7 #b5f1fa #daf8fc

Harmonies (complementary, analogous, triadic)

#ef3b21 #21efa2 #216eef #ef21d5 #d5ef21

#21D5EF Color | ColorForge