Colour
#030B0B
- #030B0B
- Cyan
- Dark
- Nearest: Black
#030B0B is a cyan with RGB values 3, 11, 11 and HSL 180°, 57%, 3%. It is a dark colour, so white text on it reaches 19.9:1 contrast (AAA for normal text). The nearest named colour is Black.
Colour values
#030B0B#030B0B
HEX#030B0B
RGBrgb(3, 11, 11)
RGB (0–1)0.0118, 0.0431, 0.0431
RGB percentages1.2%, 4.3%, 4.3%
HSLhsl(180, 57.1%, 2.7%)
HSV / HSBhsv(180, 72.7%, 4.3%)
CMYK72.7%, 0%, 0%, 95.7%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer199,435
CSS custom property--colour: #030B0B;
Brightness & contrast
Relative luminance0.00283WCAG 2.x, 0 is black and 1 is white
Perceived brightness9.4 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 19.88:1
Contrast with white19.88:1WCAG normal text: AAA
Contrast with black1.06:1WCAG normal text: Fail
Greyscale equivalent#090909
Inverted#FCF4F4
Colour vision & accessibility
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text19.88:1WCAG large text: AAA
Contrast with black, large text1.06:1WCAG large text: Fail
Named colours
Hue familycyan
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#0B0303
Analogous#030B07, #03070B
Triadic#0B030B, #0B0B03
Split complementary#0B0307, #0B0703
Tetradic#07030B, #0B0303, #070B03
Tints, shades & saturation
Channel breakdown
R3
G11
B11
Red3 (1.2%)
Green11 (4.3%)
Blue11 (4.3%)
Hue180°
Saturation (HSL)57.14%
Lightness2.75%
Dominant channelGreen and Blue
Hex per channelR 03 · G 0B · B 0B
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