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Colors
#FF2121

#FF2121

Every representation of #FF2121, its WCAG contrast behavior, and related colors worth exploring. Click any value to copy it.

AaAa

Relative luminance: 0.2246
Brightness: 99 / 255
Reads as: A dark color — pair it with light text.

Color formats

HEX: #ff2121
RGB: rgb(255, 33, 33)
RGBA: rgba(255, 33, 33, 1)
CMYK: cmyk(0%, 87%, 87%, 0%)
HSV: hsv(0°, 87%, 100%)
HSL: hsl(0, 100%, 56%)
LAB: lab(54.52% 77.08 57.63)
XYZ: xyz(42.06, 22.46, 3.56)

Accessibility

WCAG 2 contrast for #FF2121 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: 3.82:1

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: 5.49:1

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

Related colors

Shades (darker)

#f00000 #c00000 #900000 #600000 #300000

Tints (lighter)

#ff4646 #ff6b6b #ff9090 #ffb5b5 #ffdada

Harmonies (complementary, analogous, triadic)

#21ffff #ff2190 #ff9021 #21ff21 #2121ff

#FF2121 Color | ColorForge