Recognised as Colour
#F1150A
- #F1150A
- Red
- Dark
- Nearest: Red
#F1150A is a red with RGB values 241, 21, 10 and HSL 3°, 92%, 49%. It is a dark colour, so black text on it reaches 4.9:1 contrast (AA for normal text). The nearest named colour is Red.
Colour values
#F1150A#F1150A
HEX#F1150A
RGBrgb(241, 21, 10)
RGB (0–1)0.9451, 0.0824, 0.0392
RGB percentages94.5%, 8.2%, 3.9%
HSLhsl(2.9, 92%, 49.2%)
HSV / HSBhsv(2.9, 95.9%, 94.5%)
CMYK0%, 91.3%, 95.9%, 5.5%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer15,799,562
CSS custom property--colour: #F1150A;
Brightness & contrast
Relative luminance0.19259WCAG 2.x, 0 is black and 1 is white
Perceived brightness132.8 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 4.85:1
Contrast with white4.33:1WCAG normal text: Fail
Contrast with black4.85:1WCAG normal text: AA
Greyscale equivalent#434343
Inverted#0EEAF5
Colour vision & accessibility
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text4.33:1WCAG large text: AA
Contrast with black, large text4.85:1WCAG large text: AAA
Named colours
Hue familyred
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#0AE6F1
Analogous#F10A73, #F1880A
Triadic#0AF115, #150AF1
Split complementary#0AF189, #0A72F1
Tetradic#72F10A, #0AE6F1, #890AF1
Tints, shades & saturation
Channel breakdown
R241
G21
B10
Red241 (94.5%)
Green21 (8.2%)
Blue10 (3.9%)
Hue2.86°
Saturation (HSL)92.03%
Lightness49.22%
Dominant channelRed
Hex per channelR F1 · G 15 · B 0A
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