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Colors
#EF310F

#EF310F

Every representation of #EF310F, its WCAG contrast behavior, and related colors worth exploring. Click any value to copy it.

AaAa

Relative luminance: 0.2058
Brightness: 102 / 255
Reads as: A dark color — pair it with light text.

Color formats

HEX: #ef310f
RGB: rgb(239, 49, 15)
RGBA: rgba(239, 49, 15, 1)
CMYK: cmyk(0%, 79%, 94%, 6%)
HSV: hsv(9°, 94%, 94%)
HSL: hsl(9, 88%, 50%)
LAB: lab(52.5% 69.14 61.34)
XYZ: xyz(36.79, 20.59, 2.49)

Accessibility

WCAG 2 contrast for #EF310F 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: 4.10:1

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: 5.12:1

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

Related colors

Shades (darker)

#c7290c #9f210a #781807 #501005 #280802

Tints (lighter)

#f25336 #f5755e #f79887 #fabaaf #fcddd7

Harmonies (complementary, analogous, triadic)

#0fcdef #ef0f5d #efa10f #0fef31 #310fef

#EF310F Color | ColorForge