Colour
#181B1B
- #181B1B
- Near-black
- Dark
- Nearest: Black
#181B1B is a near-black with RGB values 24, 27, 27 and HSL 180°, 6%, 10%. It is a dark colour, so white text on it reaches 17.3:1 contrast (AAA for normal text). The nearest named colour is Black.
Colour values
#181B1B#181B1B
HEX#181B1B
RGBrgb(24, 27, 27)
RGB (0–1)0.0941, 0.1059, 0.1059
RGB percentages9.4%, 10.6%, 10.6%
HSLhsl(180, 5.9%, 10%)
HSV / HSBhsv(180, 11.1%, 10.6%)
CMYK11.1%, 0%, 0%, 89.4%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,579,803
CSS custom property--colour: #181B1B;
Brightness & contrast
Relative luminance0.01057WCAG 2.x, 0 is black and 1 is white
Perceived brightness26.1 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 17.33:1
Contrast with white17.33:1WCAG normal text: AAA
Contrast with black1.21:1WCAG normal text: Fail
Greyscale equivalent#1A1A1A
Inverted#E7E4E4
Colour vision & accessibility
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text17.33:1WCAG large text: AAA
Contrast with black, large text1.21:1WCAG large text: Fail
Named colours
Hue familynear-black
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#1B1818
Analogous#181B1A, #181A1B
Triadic#1B181B, #1B1B18
Split complementary#1B181A, #1B1A18
Tetradic#1A181B, #1B1818, #1A1B18
Tints, shades & saturation
Channel breakdown
R24
G27
B27
Red24 (9.4%)
Green27 (10.6%)
Blue27 (10.6%)
Hue180°
Saturation (HSL)5.88%
Lightness10%
Dominant channelGreen and Blue
Hex per channelR 18 · G 1B · B 1B
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