Recognised as Colour
#FF2A11
- #FF2A11
- Red
- Dark
- Nearest: Red
#FF2A11 is a red with RGB values 255, 42, 17 and HSL 6°, 100%, 53%. 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
#FF2A11#FF2A11
HEX#FF2A11
RGBrgb(255, 42, 17)
RGB (0–1)1, 0.1647, 0.0667
RGB percentages100%, 16.5%, 6.7%
HSLhsl(6.3, 100%, 53.3%)
HSV / HSBhsv(6.3, 93.3%, 100%)
CMYK0%, 83.5%, 93.3%, 0%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer16,722,449
CSS custom property--colour: #FF2A11;
Brightness & contrast
Relative luminance0.22956WCAG 2.x, 0 is black and 1 is white
Perceived brightness143.2 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#555555
Inverted#00D5EE
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#11E6FF
Analogous#FF116F, #FFA111
Triadic#11FF2A, #2A11FF
Split complementary#11FFA1, #116FFF
Tetradic#6FFF11, #11E6FF, #A111FF
Tints, shades & saturation
Channel breakdown
R255
G42
B17
Red255 (100%)
Green42 (16.5%)
Blue17 (6.7%)
Hue6.3°
Saturation (HSL)100%
Lightness53.33%
Dominant channelRed
Hex per channelR FF · G 2A · B 11
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