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Colors
#EF1010

#EF1010

Every representation of #EF1010, its WCAG contrast behavior, and related colors worth exploring. Click any value to copy it.

AaAa

Relative luminance: 0.1876
Brightness: 83 / 255
Reads as: A dark color — pair it with light text.

Color formats

HEX: #ef1010
RGB: rgb(239, 16, 16)
RGBA: rgba(239, 16, 16, 1)
CMYK: cmyk(0%, 93%, 93%, 6%)
HSV: hsv(0°, 93%, 94%)
HSL: hsl(0, 87%, 50%)
LAB: lab(50.41% 75.11 59.84)
XYZ: xyz(35.88, 18.76, 2.22)

Accessibility

WCAG 2 contrast for #EF1010 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: 4.42:1

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: 4.75:1

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

Related colors

Shades (darker)

#c70d0d #9f0b0b #780808 #500505 #280303

Tints (lighter)

#f23838 #f46060 #f78888 #faafaf #fcd7d7

Harmonies (complementary, analogous, triadic)

#10efef #ef1080 #ef8010 #10ef10 #1010ef

#EF1010 Color | ColorForge