Colour
#1B302C
- #1B302C
- Cyan
- Dark
- Nearest: Dark slate grey
#1B302C is a cyan with RGB values 27, 48, 44 and HSL 169°, 28%, 15%. It is a dark colour, so white text on it reaches 13.9:1 contrast (AAA for normal text). The nearest named colour is Dark slate grey.
Colour values
#1B302C#1B302C
HEX#1B302C
RGBrgb(27, 48, 44)
RGB (0–1)0.1059, 0.1882, 0.1725
RGB percentages10.6%, 18.8%, 17.3%
HSLhsl(168.6, 28%, 14.7%)
HSV / HSBhsv(168.6, 43.8%, 18.8%)
CMYK43.8%, 0%, 8.3%, 81.2%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,781,804
CSS custom property--colour: #1B302C;
Brightness & contrast
Relative luminance0.02529WCAG 2.x, 0 is black and 1 is white
Perceived brightness42.3 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 13.95:1
Contrast with white13.95:1WCAG normal text: AAA
Contrast with black1.51:1WCAG normal text: Fail
Greyscale equivalent#2B2B2B
Inverted#E4CFD3
Colour vision & accessibility
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text13.95:1WCAG large text: AAA
Contrast with black, large text1.51:1WCAG large text: Fail
Named colours
Hue familycyan
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#301B1F
Analogous#1B3022, #1B2A30
Triadic#2C1B30, #302C1B
Split complementary#301B2A, #30221B
Tetradic#221B30, #301B1F, #2A301B
Tints, shades & saturation
Channel breakdown
R27
G48
B44
Red27 (10.6%)
Green48 (18.8%)
Blue44 (17.3%)
Hue168.57°
Saturation (HSL)28%
Lightness14.71%
Dominant channelGreen
Hex per channelR 1B · G 30 · B 2C
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