Colour
#F63538
- #F63538
- Red
- Dark
- Nearest: Crimson
#F63538 is a red with RGB values 246, 53, 56 and HSL 359°, 91%, 59%. It is a dark colour, so black text on it reaches 5.5:1 contrast (AA for normal text). The nearest named colour is Crimson.
Colour values
#F63538#F63538
HEX#F63538
RGBrgb(246, 53, 56)
RGB (0–1)0.9647, 0.2078, 0.2196
RGB percentages96.5%, 20.8%, 22%
HSLhsl(359.1, 91.5%, 58.6%)
HSV / HSBhsv(359.1, 78.5%, 96.5%)
CMYK0%, 78.5%, 77.2%, 3.5%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer16,135,480
CSS custom property--colour: #F63538;
Brightness & contrast
Relative luminance0.22425WCAG 2.x, 0 is black and 1 is white
Perceived brightness141.8 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 5.48:1
Contrast with white3.83:1WCAG normal text: Fail
Contrast with black5.48:1WCAG normal text: AA
Greyscale equivalent#5E5E5E
Inverted#09CAC7
Colour vision & accessibility
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text3.83:1WCAG large text: AA
Contrast with black, large text5.48:1WCAG large text: AAA
Named colours
Hue familyred
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#35F6F3
Analogous#F63599, #F69335
Triadic#38F635, #3538F6
Split complementary#35F693, #3599F6
Tetradic#98F635, #35F6F3, #9235F6
Tints, shades & saturation
Channel breakdown
R246
G53
B56
Red246 (96.5%)
Green53 (20.8%)
Blue56 (22%)
Hue359.07°
Saturation (HSL)91.47%
Lightness58.63%
Dominant channelRed
Hex per channelR F6 · G 35 · B 38
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