Recognised as Colour
#EC4937
- #EC4937
- Red
- Dark
- Nearest: Tomato
#EC4937 is a red with RGB values 236, 73, 55 and HSL 6°, 83%, 57%. It is a dark colour, so black text on it reaches 5.6:1 contrast (AA for normal text). The nearest named colour is Tomato.
Colour values
#EC4937#EC4937
HEX#EC4937
RGBrgb(236, 73, 55)
RGB (0–1)0.9255, 0.2863, 0.2157
RGB percentages92.5%, 28.6%, 21.6%
HSLhsl(6, 82.6%, 57.1%)
HSV / HSBhsv(6, 76.7%, 92.5%)
CMYK0%, 69.1%, 76.7%, 7.5%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer15,485,239
CSS custom property--colour: #EC4937;
Brightness & contrast
Relative luminance0.22874WCAG 2.x, 0 is black and 1 is white
Perceived brightness141.9 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 5.57:1
Contrast with white3.77:1WCAG normal text: Fail
Contrast with black5.57:1WCAG normal text: AA
Greyscale equivalent#6A6A6A
Inverted#13B6C8
Colour vision & accessibility
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text3.77:1WCAG large text: AA
Contrast with black, large text5.57:1WCAG large text: AAA
Named colours
Hue familyred
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#37DAEC
Analogous#EC3780, #ECA337
Triadic#37EC49, #4937EC
Split complementary#37ECA4, #377FEC
Tetradic#80EC37, #37DAEC, #A437EC
Tints, shades & saturation
Channel breakdown
R236
G73
B55
Red236 (92.5%)
Green73 (28.6%)
Blue55 (21.6%)
Hue5.97°
Saturation (HSL)82.65%
Lightness57.06%
Dominant channelRed
Hex per channelR EC · G 49 · B 37
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