Colour
#1F1818
- #1F1818
- Red
- Dark
- Nearest: Black
#1F1818 is a red with RGB values 31, 24, 24 and HSL 0°, 13%, 11%. It is a dark colour, so white text on it reaches 17.5:1 contrast (AAA for normal text). The nearest named colour is Black.
Colour values
#1F1818#1F1818
HEX#1F1818
RGBrgb(31, 24, 24)
RGB (0–1)0.1216, 0.0941, 0.0941
RGB percentages12.2%, 9.4%, 9.4%
HSLhsl(0, 12.7%, 10.8%)
HSV / HSBhsv(0, 22.6%, 12.2%)
CMYK0%, 22.6%, 22.6%, 87.8%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,037,784
CSS custom property--colour: #1F1818;
Brightness & contrast
Relative luminance0.01011WCAG 2.x, 0 is black and 1 is white
Perceived brightness26.3 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 17.47:1
Contrast with white17.47:1WCAG normal text: AAA
Contrast with black1.2:1WCAG normal text: Fail
Greyscale equivalent#191919
Inverted#E0E7E7
Colour vision & accessibility
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text17.47:1WCAG large text: AAA
Contrast with black, large text1.2:1WCAG large text: Fail
Named colours
Hue familyred
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#181F1F
Analogous#1F181C, #1F1C18
Triadic#181F18, #18181F
Split complementary#181F1C, #181C1F
Tetradic#1C1F18, #181F1F, #1C181F
Tints, shades & saturation
Channel breakdown
R31
G24
B24
Red31 (12.2%)
Green24 (9.4%)
Blue24 (9.4%)
Hue0°
Saturation (HSL)12.73%
Lightness10.78%
Dominant channelRed
Hex per channelR 1F · G 18 · B 18
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