Recognised as Colour
#FF291D
- #FF291D
- Red
- Dark
- Nearest: Red
#FF291D is a red with RGB values 255, 41, 29 and HSL 3°, 100%, 56%. It is a dark colour, so black text on it reaches 5.6:1 contrast (AA for normal text). The nearest named colour is Red.
Colour values
#FF291D#FF291D
HEX#FF291D
RGBrgb(255, 41, 29)
RGB (0–1)1, 0.1608, 0.1137
RGB percentages100%, 16.1%, 11.4%
HSLhsl(3.2, 100%, 55.7%)
HSV / HSBhsv(3.2, 88.6%, 100%)
CMYK0%, 83.9%, 88.6%, 0%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer16,722,205
CSS custom property--colour: #FF291D;
Brightness & contrast
Relative luminance0.22935WCAG 2.x, 0 is black and 1 is white
Perceived brightness143.3 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 5.59:1
Contrast with white3.76:1WCAG normal text: Fail
Contrast with black5.59:1WCAG normal text: AA
Greyscale equivalent#565656
Inverted#00D6E2
Colour vision & accessibility
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text3.76:1WCAG large text: AA
Contrast with black, large text5.59:1WCAG large text: AAA
Named colours
Hue familyred
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#1DF3FF
Analogous#FF1D82, #FF9A1D
Triadic#1DFF29, #291DFF
Split complementary#1DFF9A, #1D82FF
Tetradic#82FF1D, #1DF3FF, #9A1DFF
Tints, shades & saturation
Channel breakdown
R255
G41
B29
Red255 (100%)
Green41 (16.1%)
Blue29 (11.4%)
Hue3.19°
Saturation (HSL)100%
Lightness55.69%
Dominant channelRed
Hex per channelR FF · G 29 · B 1D
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