Colour
#000A0A
- #000A0A
- Cyan
- Dark
- Nearest: Black
#000A0A is a cyan with RGB values 0, 10, 10 and HSL 180°, 100%, 2%. It is a dark colour, so white text on it reaches 20:1 contrast (AAA for normal text). The nearest named colour is Black.
Colour values
#000A0A#000A0A
HEX#000A0A
RGBrgb(0, 10, 10)
RGB (0–1)0, 0.0392, 0.0392
RGB percentages0%, 3.9%, 3.9%
HSLhsl(180, 100%, 2%)
HSV / HSBhsv(180, 100%, 3.9%)
CMYK100%, 0%, 0%, 96.1%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,570
CSS custom property--colour: #000A0A;
Brightness & contrast
Relative luminance0.00239WCAG 2.x, 0 is black and 1 is white
Perceived brightness8.4 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 20.04:1
Contrast with white20.04:1WCAG normal text: AAA
Contrast with black1.05:1WCAG normal text: Fail
Greyscale equivalent#080808
Inverted#FFF5F5
Colour vision & accessibility
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text20.04:1WCAG large text: AAA
Contrast with black, large text1.05:1WCAG large text: Fail
Named colours
Hue familycyan
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#0A0000
Analogous#000A05, #00050A
Triadic#0A000A, #0A0A00
Split complementary#0A0005, #0A0500
Tetradic#05000A, #0A0000, #050A00
Tints, shades & saturation
Channel breakdown
R0
G10
B10
Red0 (0%)
Green10 (3.9%)
Blue10 (3.9%)
Hue180°
Saturation (HSL)100%
Lightness1.96%
Dominant channelGreen and Blue
Hex per channelR 00 · G 0A · B 0A
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