Recognised as Colour
#FC171D
- #FC171D
- Red
- Dark
- Nearest: Red
#FC171D is a red with RGB values 252, 23, 29 and HSL 358°, 97%, 54%. It is a dark colour, so black text on it reaches 5.3:1 contrast (AA for normal text). The nearest named colour is Red.
Colour values
#FC171D#FC171D
HEX#FC171D
RGBrgb(252, 23, 29)
RGB (0–1)0.9882, 0.0902, 0.1137
RGB percentages98.8%, 9%, 11.4%
HSLhsl(358.4, 97.4%, 53.9%)
HSV / HSBhsv(358.4, 90.9%, 98.8%)
CMYK0%, 90.9%, 88.5%, 1.2%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer16,520,989
CSS custom property--colour: #FC171D;
Brightness & contrast
Relative luminance0.21397WCAG 2.x, 0 is black and 1 is white
Perceived brightness139.3 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 5.28:1
Contrast with white3.98:1WCAG normal text: Fail
Contrast with black5.28:1WCAG normal text: AA
Greyscale equivalent#484848
Inverted#03E8E2
Colour vision & accessibility
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text3.98:1WCAG large text: AA
Contrast with black, large text5.28:1WCAG large text: AAA
Named colours
Hue familyred
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#17FCF6
Analogous#FC1790, #FC8417
Triadic#1DFC17, #171DFC
Split complementary#17FC84, #1790FC
Tetradic#8FFC17, #17FCF6, #8317FC
Tints, shades & saturation
Channel breakdown
R252
G23
B29
Red252 (98.8%)
Green23 (9%)
Blue29 (11.4%)
Hue358.43°
Saturation (HSL)97.45%
Lightness53.92%
Dominant channelRed
Hex per channelR FC · G 17 · B 1D
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