Colour
#A30707
- #A30707
- Red
- Dark
- Nearest: Dark red
#A30707 is a red with RGB values 163, 7, 7 and HSL 0°, 92%, 33%. It is a dark colour, so white text on it reaches 8.1:1 contrast (AAA for normal text). The nearest named colour is Dark red.
Colour values
#A30707#A30707
HEX#A30707
RGBrgb(163, 7, 7)
RGB (0–1)0.6392, 0.0275, 0.0275
RGB percentages63.9%, 2.7%, 2.7%
HSLhsl(0, 91.8%, 33.3%)
HSV / HSBhsv(0, 95.7%, 63.9%)
CMYK0%, 95.7%, 95.7%, 36.1%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer10,684,167
CSS custom property--colour: #A30707;
Brightness & contrast
Relative luminance0.07954WCAG 2.x, 0 is black and 1 is white
Perceived brightness89.3 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 8.11:1
Contrast with white8.11:1WCAG normal text: AAA
Contrast with black2.59:1WCAG normal text: Fail
Greyscale equivalent#282828
Inverted#5CF8F8
Colour vision & accessibility
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text8.11:1WCAG large text: AAA
Contrast with black, large text2.59:1WCAG large text: Fail
Named colours
Hue familyred
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#07A3A3
Analogous#A30755, #A35507
Triadic#07A307, #0707A3
Split complementary#07A355, #0755A3
Tetradic#55A307, #07A3A3, #5507A3
Tints, shades & saturation
Channel breakdown
R163
G7
B7
Red163 (63.9%)
Green7 (2.7%)
Blue7 (2.7%)
Hue0°
Saturation (HSL)91.76%
Lightness33.33%
Dominant channelRed
Hex per channelR A3 · G 07 · B 07
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