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Colors
#21D3EF

#21D3EF

Every representation of #21D3EF, its WCAG contrast behavior, and related colors worth exploring. Click any value to copy it.

AaAa

Relative luminance: 0.5314
Brightness: 161 / 255
Reads as: A light color — pair it with dark text.

Color formats

HEX: #21d3ef
RGB: rgb(33, 211, 239)
RGBA: rgba(33, 211, 239, 1)
CMYK: cmyk(86%, 12%, 0%, 6%)
HSV: hsv(188°, 86%, 94%)
HSL: hsl(188, 87%, 53%)
LAB: lab(77.96% -31.88 -25.58)
XYZ: xyz(39.49, 53.14, 89.82)

Accessibility

WCAG 2 contrast for #21D3EF as a text color on the two most common surfaces.

On white

Fail

The quick brown fox jumps over the lazy dog.

Contrast ratio: 1.81:1

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: 11.63:1

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

Related colors

Shades (darker)

#0fb9d3 #0c94a9 #096f7f #064a55 #03252a

Tints (lighter)

#46daf2 #6be2f4 #90e9f7 #b5f0fa #daf8fc

Harmonies (complementary, analogous, triadic)

#ef3d21 #21efa4 #216cef #ef21d3 #d3ef21

#21D3EF Color | ColorForge