Colour
#A60004
- #A60004
- Red
- Dark
- Nearest: Firebrick
#A60004 is a red with RGB values 166, 0, 4 and HSL 359°, 100%, 33%. It is a dark colour, so white text on it reaches 8:1 contrast (AAA for normal text). The nearest named colour is Firebrick.
Colour values
#A60004#A60004
HEX#A60004
RGBrgb(166, 0, 4)
RGB (0–1)0.651, 0, 0.0157
RGB percentages65.1%, 0%, 1.6%
HSLhsl(358.6, 100%, 32.5%)
HSV / HSBhsv(358.6, 100%, 65.1%)
CMYK0%, 100%, 97.6%, 34.9%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer10,878,980
CSS custom property--colour: #A60004;
Brightness & contrast
Relative luminance0.08116WCAG 2.x, 0 is black and 1 is white
Perceived brightness90.8 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 8.01:1
Contrast with white8.01:1WCAG normal text: AAA
Contrast with black2.62:1WCAG normal text: Fail
Greyscale equivalent#242424
Inverted#59FFFB
Colour vision & accessibility
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text8.01:1WCAG large text: AAA
Contrast with black, large text2.62:1WCAG large text: Fail
Named colours
Hue familyred
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#00A6A2
Analogous#A60057, #A64F00
Triadic#04A600, #0004A6
Split complementary#00A64F, #0057A6
Tetradic#57A600, #00A6A2, #4F00A6
Tints, shades & saturation
Channel breakdown
R166
G0
B4
Red166 (65.1%)
Green0 (0%)
Blue4 (1.6%)
Hue358.55°
Saturation (HSL)100%
Lightness32.55%
Dominant channelRed
Hex per channelR A6 · G 00 · B 04
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