Recognised as Colour
#A80403
- #A80403
- Red
- Dark
- Nearest: Firebrick
#A80403 is a red with RGB values 168, 4, 3 and HSL 0°, 96%, 34%. It is a dark colour, so white text on it reaches 7.8:1 contrast (AAA for normal text). The nearest named colour is Firebrick.
Colour values
#A80403#A80403
HEX#A80403
RGBrgb(168, 4, 3)
RGB (0–1)0.6588, 0.0157, 0.0118
RGB percentages65.9%, 1.6%, 1.2%
HSLhsl(0.4, 96.5%, 33.5%)
HSV / HSBhsv(0.4, 98.2%, 65.9%)
CMYK0%, 97.6%, 98.2%, 34.1%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer11,011,075
CSS custom property--colour: #A80403;
Brightness & contrast
Relative luminance0.08418WCAG 2.x, 0 is black and 1 is white
Perceived brightness91.9 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 7.83:1
Contrast with white7.83:1WCAG normal text: AAA
Contrast with black2.68:1WCAG normal text: Fail
Greyscale equivalent#272727
Inverted#57FBFC
Colour vision & accessibility
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text7.83:1WCAG large text: AAA
Contrast with black, large text2.68:1WCAG large text: Fail
Named colours
Hue familyred
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#03A7A8
Analogous#A80355, #A85703
Triadic#03A804, #0403A8
Split complementary#03A857, #0354A8
Tetradic#54A803, #03A7A8, #5603A8
Tints, shades & saturation
Channel breakdown
R168
G4
B3
Red168 (65.9%)
Green4 (1.6%)
Blue3 (1.2%)
Hue0.36°
Saturation (HSL)96.49%
Lightness33.53%
Dominant channelRed
Hex per channelR A8 · G 04 · B 03
Keep nerding
Every link below is a page Nerdulator can generate from what it already knows about this value.
Nerdulate something else
Nothing in mind? Surprise me · today’s page