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Colors
#EF400F

#EF400F

Every representation of #EF400F, its WCAG contrast behavior, and related colors worth exploring. Click any value to copy it.

AaAa

Relative luminance: 0.2205
Brightness: 111 / 255
Reads as: A dark color — pair it with light text.

Color formats

HEX: #ef400f
RGB: rgb(239, 64, 15)
RGBA: rgba(239, 64, 15, 1)
CMYK: cmyk(0%, 73%, 94%, 6%)
HSV: hsv(13°, 94%, 94%)
HSL: hsl(13, 88%, 50%)
LAB: lab(54.09% 64.68 62.28)
XYZ: xyz(37.52, 22.06, 2.73)

Accessibility

WCAG 2 contrast for #EF400F 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: 3.88:1

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: 5.41:1

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

Related colors

Shades (darker)

#c7350c #9f2b0a #782007 #501505 #280b02

Tints (lighter)

#f25f36 #f57f5e #f79f87 #fabfaf #fcdfd7

Harmonies (complementary, analogous, triadic)

#0fbeef #ef0f4e #efb00f #0fef40 #400fef

#EF400F Color | ColorForge