Colour
#23211B
- #23211B
- Yellow
- Dark
- Nearest: Black
#23211B is a yellow with RGB values 35, 33, 27 and HSL 45°, 13%, 12%. It is a dark colour, so white text on it reaches 16.1:1 contrast (AAA for normal text). The nearest named colour is Black.
Colour values
#23211B#23211B
HEX#23211B
RGBrgb(35, 33, 27)
RGB (0–1)0.1373, 0.1294, 0.1059
RGB percentages13.7%, 12.9%, 10.6%
HSLhsl(45, 12.9%, 12.2%)
HSV / HSBhsv(45, 22.9%, 13.7%)
CMYK0%, 5.7%, 22.9%, 86.3%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,302,235
CSS custom property--colour: #23211B;
Brightness & contrast
Relative luminance0.01524WCAG 2.x, 0 is black and 1 is white
Perceived brightness33 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 16.09:1
Contrast with white16.09:1WCAG normal text: AAA
Contrast with black1.3:1WCAG normal text: Fail
Greyscale equivalent#212121
Inverted#DCDEE4
Colour vision & accessibility
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text16.09:1WCAG large text: AAA
Contrast with black, large text1.3:1WCAG large text: Fail
Named colours
Hue familyyellow
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#1B1D23
Analogous#231D1B, #21231B
Triadic#1B2321, #211B23
Split complementary#1B2123, #1D1B23
Tetradic#1B231D, #1B1D23, #231B21
Tints, shades & saturation
Channel breakdown
R35
G33
B27
Red35 (13.7%)
Green33 (12.9%)
Blue27 (10.6%)
Hue45°
Saturation (HSL)12.9%
Lightness12.16%
Dominant channelRed
Hex per channelR 23 · G 21 · B 1B
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