Recognised as Colour
#FD3931
- #FD3931
- Red
- Dark
- Nearest: Tomato
#FD3931 is a red with RGB values 253, 57, 49 and HSL 2°, 98%, 59%. It is a dark colour, so black text on it reaches 5.8:1 contrast (AA for normal text). The nearest named colour is Tomato.
Colour values
#FD3931#FD3931
HEX#FD3931
RGBrgb(253, 57, 49)
RGB (0–1)0.9922, 0.2235, 0.1922
RGB percentages99.2%, 22.4%, 19.2%
HSLhsl(2.4, 98.1%, 59.2%)
HSV / HSBhsv(2.4, 80.6%, 99.2%)
CMYK0%, 77.5%, 80.6%, 0.8%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer16,595,249
CSS custom property--colour: #FD3931;
Brightness & contrast
Relative luminance0.24031WCAG 2.x, 0 is black and 1 is white
Perceived brightness146 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 5.81:1
Contrast with white3.62:1WCAG normal text: Fail
Contrast with black5.81:1WCAG normal text: AA
Greyscale equivalent#626262
Inverted#02C6CE
Colour vision & accessibility
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text3.62:1WCAG large text: AA
Contrast with black, large text5.81:1WCAG large text: AAA
Named colours
Hue familyred
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#31F5FD
Analogous#FD318F, #FD9F31
Triadic#31FD39, #3931FD
Split complementary#31FD9F, #318FFD
Tetradic#8FFD31, #31F5FD, #9F31FD
Tints, shades & saturation
Channel breakdown
R253
G57
B49
Red253 (99.2%)
Green57 (22.4%)
Blue49 (19.2%)
Hue2.35°
Saturation (HSL)98.08%
Lightness59.22%
Dominant channelRed
Hex per channelR FD · G 39 · B 31
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