Colour
#F42A40
- #F42A40
- Red
- Dark
- Nearest: Crimson
#F42A40 is a red with RGB values 244, 42, 64 and HSL 353°, 90%, 56%. It is a dark colour, so black text on it reaches 5.3:1 contrast (AA for normal text). The nearest named colour is Crimson.
Colour values
#F42A40#F42A40
HEX#F42A40
RGBrgb(244, 42, 64)
RGB (0–1)0.9569, 0.1647, 0.251
RGB percentages95.7%, 16.5%, 25.1%
HSLhsl(353.5, 90.2%, 56.1%)
HSV / HSBhsv(353.5, 82.8%, 95.7%)
CMYK0%, 82.8%, 73.8%, 4.3%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer16,001,600
CSS custom property--colour: #F42A40;
Brightness & contrast
Relative luminance0.21259WCAG 2.x, 0 is black and 1 is white
Perceived brightness138.9 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 5.25:1
Contrast with white4:1WCAG normal text: Fail
Contrast with black5.25:1WCAG normal text: AA
Greyscale equivalent#575757
Inverted#0BD5BF
Colour vision & accessibility
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text4:1WCAG large text: AA
Contrast with black, large text5.25:1WCAG large text: AAA
Named colours
Hue familyred
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#2AF4DE
Analogous#F42AA5, #F4792A
Triadic#40F42A, #2A40F4
Split complementary#2AF479, #2AA5F4
Tetradic#A5F42A, #2AF4DE, #792AF4
Tints, shades & saturation
Channel breakdown
R244
G42
B64
Red244 (95.7%)
Green42 (16.5%)
Blue64 (25.1%)
Hue353.47°
Saturation (HSL)90.18%
Lightness56.08%
Dominant channelRed
Hex per channelR F4 · G 2A · B 40
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