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Colors
#FF311E

#FF311E

Every representation of #FF311E, its WCAG contrast behavior, and related colors worth exploring. Click any value to copy it.

AaAa

Relative luminance: 0.2355
Brightness: 108 / 255
Reads as: A dark color — pair it with light text.

Color formats

HEX: #ff311e
RGB: rgb(255, 49, 30)
RGBA: rgba(255, 49, 30, 1)
CMYK: cmyk(0%, 81%, 88%, 0%)
HSV: hsv(5°, 88%, 100%)
HSL: hsl(5, 100%, 56%)
LAB: lab(55.64% 73.78 59.73)
XYZ: xyz(42.58, 23.56, 3.53)

Accessibility

WCAG 2 contrast for #FF311E 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: 3.68:1

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: 5.71:1

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

Related colors

Shades (darker)

#ee1400 #be1000 #8e0c00 #5f0800 #300400

Tints (lighter)

#ff5343 #ff7669 #ff988f #ffbab4 #ffddda

Harmonies (complementary, analogous, triadic)

#1eecff #ff1e7c #ffa21e #1eff31 #311eff

#FF311E Color | ColorForge