Recognised as Colour
#1B1A17
- #1B1A17
- Yellow
- Dark
- Nearest: Black
#1B1A17 is a yellow with RGB values 27, 26, 23 and HSL 45°, 8%, 10%. It is a dark colour, so white text on it reaches 17.4:1 contrast (AAA for normal text). The nearest named colour is Black.
Colour values
#1B1A17#1B1A17
HEX#1B1A17
RGBrgb(27, 26, 23)
RGB (0–1)0.1059, 0.102, 0.0902
RGB percentages10.6%, 10.2%, 9%
HSLhsl(45, 8%, 9.8%)
HSV / HSBhsv(45, 14.8%, 10.6%)
CMYK0%, 3.7%, 14.8%, 89.4%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,776,151
CSS custom property--colour: #1B1A17;
Brightness & contrast
Relative luminance0.01034WCAG 2.x, 0 is black and 1 is white
Perceived brightness26 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 17.4:1
Contrast with white17.4:1WCAG normal text: AAA
Contrast with black1.21:1WCAG normal text: Fail
Greyscale equivalent#1A1A1A
Inverted#E4E5E8
Colour vision & accessibility
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text17.4:1WCAG large text: AAA
Contrast with black, large text1.21:1WCAG large text: Fail
Named colours
Hue familyyellow
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#17181B
Analogous#1B1817, #1A1B17
Triadic#171B1A, #1A171B
Split complementary#171A1B, #18171B
Tetradic#171B18, #17181B, #1B171A
Tints, shades & saturation
Channel breakdown
R27
G26
B23
Red27 (10.6%)
Green26 (10.2%)
Blue23 (9%)
Hue45°
Saturation (HSL)8%
Lightness9.8%
Dominant channelRed
Hex per channelR 1B · G 1A · B 17
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