Recognised as Colour
#1B050B
- #1B050B
- Red
- Dark
- Nearest: Black
#1B050B is a red with RGB values 27, 5, 11 and HSL 344°, 69%, 6%. It is a dark colour, so white text on it reaches 19.6:1 contrast (AAA for normal text). The nearest named colour is Black.
Colour values
#1B050B#1B050B
HEX#1B050B
RGBrgb(27, 5, 11)
RGB (0–1)0.1059, 0.0196, 0.0431
RGB percentages10.6%, 2%, 4.3%
HSLhsl(343.6, 68.8%, 6.3%)
HSV / HSBhsv(343.6, 81.5%, 10.6%)
CMYK0%, 81.5%, 59.3%, 89.4%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,770,763
CSS custom property--colour: #1B050B;
Brightness & contrast
Relative luminance0.00366WCAG 2.x, 0 is black and 1 is white
Perceived brightness15.7 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 19.57:1
Contrast with white19.57:1WCAG normal text: AAA
Contrast with black1.07:1WCAG normal text: Fail
Greyscale equivalent#0A0A0A
Inverted#E4FAF4
Colour vision & accessibility
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text19.57:1WCAG large text: AAA
Contrast with black, large text1.07:1WCAG large text: Fail
Named colours
Hue familyred
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#051B15
Analogous#1B0516, #1B0A05
Triadic#0B1B05, #050B1B
Split complementary#051B0A, #05161B
Tetradic#161B05, #051B15, #0A051B
Tints, shades & saturation
Channel breakdown
R27
G5
B11
Red27 (10.6%)
Green5 (2%)
Blue11 (4.3%)
Hue343.64°
Saturation (HSL)68.75%
Lightness6.27%
Dominant channelRed
Hex per channelR 1B · G 05 · B 0B
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