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Colors
#EF101B

#EF101B

Every representation of #EF101B, its WCAG contrast behavior, and related colors worth exploring. Click any value to copy it.

AaAa

Relative luminance: 0.1880
Brightness: 84 / 255
Reads as: A dark color — pair it with light text.

Color formats

HEX: #ef101b
RGB: rgb(239, 16, 27)
RGBA: rgba(239, 16, 27, 1)
CMYK: cmyk(0%, 93%, 89%, 6%)
HSV: hsv(357°, 93%, 94%)
HSL: hsl(357, 87%, 50%)
LAB: lab(50.46% 75.24 55.75)
XYZ: xyz(35.98, 18.81, 2.77)

Accessibility

WCAG 2 contrast for #EF101B as a text color on the two most common surfaces.

On white

AA Large

The quick brown fox jumps over the lazy dog.

Contrast ratio: 4.41:1

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

On black

AA

The quick brown fox jumps over the lazy dog.

Contrast ratio: 4.76:1

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

Related colors

Shades (darker)

#c70d17 #9f0b12 #78080e #500509 #280305

Tints (lighter)

#f23841 #f46067 #f7888d #faafb3 #fcd7d9

Harmonies (complementary, analogous, triadic)

#10efe4 #ef108b #ef7410 #1bef10 #101bef

#EF101B Color | ColorForge