Colour
#18191C
- #18191C
- Near-black
- Dark
- Nearest: Black
#18191C is a near-black with RGB values 24, 25, 28 and HSL 225°, 8%, 10%. It is a dark colour, so white text on it reaches 17.6:1 contrast (AAA for normal text). The nearest named colour is Black.
Colour values
#18191C#18191C
HEX#18191C
RGBrgb(24, 25, 28)
RGB (0–1)0.0941, 0.098, 0.1098
RGB percentages9.4%, 9.8%, 11%
HSLhsl(225, 7.7%, 10.2%)
HSV / HSBhsv(225, 14.3%, 11%)
CMYK14.3%, 10.7%, 0%, 89%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,579,292
CSS custom property--colour: #18191C;
Brightness & contrast
Relative luminance0.00973WCAG 2.x, 0 is black and 1 is white
Perceived brightness25.1 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 17.58:1
Contrast with white17.58:1WCAG normal text: AAA
Contrast with black1.19:1WCAG normal text: Fail
Greyscale equivalent#191919
Inverted#E7E6E3
Colour vision & accessibility
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text17.58:1WCAG large text: AAA
Contrast with black, large text1.19:1WCAG large text: Fail
Named colours
Hue familynear-black
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#1C1B18
Analogous#181B1C, #19181C
Triadic#1C1819, #191C18
Split complementary#1C1918, #1B1C18
Tetradic#1C181B, #1C1B18, #181C19
Tints, shades & saturation
Channel breakdown
R24
G25
B28
Red24 (9.4%)
Green25 (9.8%)
Blue28 (11%)
Hue225°
Saturation (HSL)7.69%
Lightness10.2%
Dominant channelBlue
Hex per channelR 18 · G 19 · B 1C
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