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Colors
#A51021

#A51021

Every representation of #A51021, its WCAG contrast behavior, and related colors worth exploring. Click any value to copy it.

AaAa

Relative luminance: 0.0848
Brightness: 62 / 255
Reads as: A dark color — pair it with light text.

Color formats

HEX: #a51021
RGB: rgb(165, 16, 33)
RGBA: rgba(165, 16, 33, 1)
CMYK: cmyk(0%, 90%, 80%, 35%)
HSV: hsv(353°, 90%, 65%)
HSL: hsl(353, 82%, 35%)
LAB: lab(34.97% 56.27 33.12)
XYZ: xyz(15.98, 8.48, 2.23)

Accessibility

WCAG 2 contrast for #A51021 as a text color on the two most common surfaces.

On white

AAA

The quick brown fox jumps over the lazy dog.

Contrast ratio: 7.79:1

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

On black

Fail

The quick brown fox jumps over the lazy dog.

Contrast ratio: 2.70:1

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

Related colors

Shades (darker)

#8a0d1b #6e0b16 #530810 #37050b #1c0305

Tints (lighter)

#d7152b #ec374c #f06978 #f59ba5 #facdd2

Harmonies (complementary, analogous, triadic)

#10a594 #a5106b #a54a10 #21a510 #1021a5