Recognised as Colour
#E33A3E
- #E33A3E
- Red
- Dark
- Nearest: Crimson
#E33A3E is a red with RGB values 227, 58, 62 and HSL 359°, 75%, 56%. It is a dark colour, so black text on it reaches 4.9:1 contrast (AA for normal text). The nearest named colour is Crimson.
Colour values
#E33A3E#E33A3E
HEX#E33A3E
RGBrgb(227, 58, 62)
RGB (0–1)0.8902, 0.2275, 0.2431
RGB percentages89%, 22.7%, 24.3%
HSLhsl(358.6, 75.1%, 55.9%)
HSV / HSBhsv(358.6, 74.4%, 89%)
CMYK0%, 74.4%, 72.7%, 11%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer14,891,582
CSS custom property--colour: #E33A3E;
Brightness & contrast
Relative luminance0.19705WCAG 2.x, 0 is black and 1 is white
Perceived brightness133.5 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 4.94:1
Contrast with white4.25:1WCAG normal text: Fail
Contrast with black4.94:1WCAG normal text: AA
Greyscale equivalent#5E5E5E
Inverted#1CC5C1
Colour vision & accessibility
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text4.25:1WCAG large text: AA
Contrast with black, large text4.94:1WCAG large text: AAA
Named colours
Hue familyred
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#3AE3DF
Analogous#E33A93, #E38B3A
Triadic#3EE33A, #3A3EE3
Split complementary#3AE38B, #3A93E3
Tetradic#93E33A, #3AE3DF, #8A3AE3
Tints, shades & saturation
Channel breakdown
R227
G58
B62
Red227 (89%)
Green58 (22.7%)
Blue62 (24.3%)
Hue358.58°
Saturation (HSL)75.11%
Lightness55.88%
Dominant channelRed
Hex per channelR E3 · G 3A · B 3E
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