Colour
#1B0B03
- #1B0B03
- Orange
- Dark
- Nearest: Black
#1B0B03 is a orange with RGB values 27, 11, 3 and HSL 20°, 80%, 6%. It is a dark colour, so white text on it reaches 19.2:1 contrast (AAA for normal text). The nearest named colour is Black.
Colour values
#1B0B03#1B0B03
HEX#1B0B03
RGBrgb(27, 11, 3)
RGB (0–1)0.1059, 0.0431, 0.0118
RGB percentages10.6%, 4.3%, 1.2%
HSLhsl(20, 80%, 5.9%)
HSV / HSBhsv(20, 88.9%, 10.6%)
CMYK0%, 59.3%, 88.9%, 89.4%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,772,291
CSS custom property--colour: #1B0B03;
Brightness & contrast
Relative luminance0.00479WCAG 2.x, 0 is black and 1 is white
Perceived brightness17 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 19.16:1
Contrast with white19.16:1WCAG normal text: AAA
Contrast with black1.1:1WCAG normal text: Fail
Greyscale equivalent#0E0E0E
Inverted#E4F4FC
Colour vision & accessibility
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text19.16:1WCAG large text: AAA
Contrast with black, large text1.1:1WCAG large text: Fail
Named colours
Hue familyorange
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#03131B
Analogous#1B0307, #1B1703
Triadic#031B0B, #0B031B
Split complementary#031B17, #03071B
Tetradic#071B03, #03131B, #17031B
Tints, shades & saturation
Channel breakdown
R27
G11
B3
Red27 (10.6%)
Green11 (4.3%)
Blue3 (1.2%)
Hue20°
Saturation (HSL)80%
Lightness5.88%
Dominant channelRed
Hex per channelR 1B · G 0B · B 03
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