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Colors
#FF180A

#FF180A

Every representation of #FF180A, its WCAG contrast behavior, and related colors worth exploring. Click any value to copy it.

AaAa

Relative luminance: 0.2194
Brightness: 91 / 255
Reads as: A dark color — pair it with light text.

Color formats

HEX: #ff180a
RGB: rgb(255, 24, 10)
RGBA: rgba(255, 24, 10, 1)
CMYK: cmyk(0%, 91%, 96%, 0%)
HSV: hsv(3°, 96%, 100%)
HSL: hsl(3, 100%, 52%)
LAB: lab(53.97% 78.13 65.1)
XYZ: xyz(41.63, 21.94, 2.33)

Accessibility

WCAG 2 contrast for #FF180A 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: 3.90:1

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: 5.39:1

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

Related colors

Shades (darker)

#dd0d00 #b10a00 #850800 #580500 #2c0300

Tints (lighter)

#ff3f33 #ff655c #ff8c85 #ffb2ad #ffd9d6

Harmonies (complementary, analogous, triadic)

#0af1ff #ff0a76 #ff930a #0aff18 #180aff

#FF180A Color | ColorForge