Recognised as Colour
#1C1B17
- #1C1B17
- Yellow
- Dark
- Nearest: Black
#1C1B17 is a yellow with RGB values 28, 27, 23 and HSL 48°, 10%, 10%. It is a dark colour, so white text on it reaches 17.2:1 contrast (AAA for normal text). The nearest named colour is Black.
Colour values
#1C1B17#1C1B17
HEX#1C1B17
RGBrgb(28, 27, 23)
RGB (0–1)0.1098, 0.1059, 0.0902
RGB percentages11%, 10.6%, 9%
HSLhsl(48, 9.8%, 10%)
HSV / HSBhsv(48, 17.9%, 11%)
CMYK0%, 3.6%, 17.9%, 89%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,841,943
CSS custom property--colour: #1C1B17;
Brightness & contrast
Relative luminance0.01093WCAG 2.x, 0 is black and 1 is white
Perceived brightness26.9 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 17.23:1
Contrast with white17.23:1WCAG normal text: AAA
Contrast with black1.22:1WCAG normal text: Fail
Greyscale equivalent#1B1B1B
Inverted#E3E4E8
Colour vision & accessibility
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text17.23:1WCAG large text: AAA
Contrast with black, large text1.22:1WCAG large text: Fail
Named colours
Hue familyyellow
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#17181C
Analogous#1C1917, #1B1C17
Triadic#171C1B, #1B171C
Split complementary#171B1C, #19171C
Tetradic#171C19, #17181C, #1C171B
Tints, shades & saturation
Channel breakdown
R28
G27
B23
Red28 (11%)
Green27 (10.6%)
Blue23 (9%)
Hue48°
Saturation (HSL)9.8%
Lightness10%
Dominant channelRed
Hex per channelR 1C · G 1B · B 17
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