Recognised as Colour
#E21F42
- #E21F42
- Red
- Dark
- Nearest: Crimson
#E21F42 is a red with RGB values 226, 31, 66 and HSL 349°, 77%, 50%. It is a dark colour, so white text on it reaches 4.7:1 contrast (AA for normal text). The nearest named colour is Crimson.
Colour values
#E21F42#E21F42
HEX#E21F42
RGBrgb(226, 31, 66)
RGB (0–1)0.8863, 0.1216, 0.2588
RGB percentages88.6%, 12.2%, 25.9%
HSLhsl(349.2, 77.1%, 50.4%)
HSV / HSBhsv(349.2, 86.3%, 88.6%)
CMYK0%, 86.3%, 70.8%, 11.4%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer14,819,138
CSS custom property--colour: #E21F42;
Brightness & contrast
Relative luminance0.17542WCAG 2.x, 0 is black and 1 is white
Perceived brightness127.8 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 4.66:1
Contrast with white4.66:1WCAG normal text: AA
Contrast with black4.51:1WCAG normal text: AA
Greyscale equivalent#4B4B4B
Inverted#1DE0BD
Colour vision & accessibility
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text4.66:1WCAG large text: AAA
Contrast with black, large text4.51:1WCAG large text: AAA
Named colours
Hue familyred
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#1FE2BF
Analogous#E21FA3, #E25E1F
Triadic#42E21F, #1F42E2
Split complementary#1FE25D, #1FA3E2
Tetradic#A4E21F, #1FE2BF, #5E1FE2
Tints, shades & saturation
Channel breakdown
R226
G31
B66
Red226 (88.6%)
Green31 (12.2%)
Blue66 (25.9%)
Hue349.23°
Saturation (HSL)77.08%
Lightness50.39%
Dominant channelRed
Hex per channelR E2 · G 1F · B 42
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