Recognised as Colour
#0A1515
- #0A1515
- Cyan
- Dark
- Nearest: Black
#0A1515 is a cyan with RGB values 10, 21, 21 and HSL 180°, 35%, 6%. It is a dark colour, so white text on it reaches 18.6:1 contrast (AAA for normal text). The nearest named colour is Black.
Colour values
#0A1515#0A1515
HEX#0A1515
RGBrgb(10, 21, 21)
RGB (0–1)0.0392, 0.0824, 0.0824
RGB percentages3.9%, 8.2%, 8.2%
HSLhsl(180, 35.5%, 6.1%)
HSV / HSBhsv(180, 52.4%, 8.2%)
CMYK52.4%, 0%, 0%, 91.8%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer660,757
CSS custom property--colour: #0A1515;
Brightness & contrast
Relative luminance0.00655WCAG 2.x, 0 is black and 1 is white
Perceived brightness18.4 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 18.57:1
Contrast with white18.57:1WCAG normal text: AAA
Contrast with black1.13:1WCAG normal text: Fail
Greyscale equivalent#131313
Inverted#F5EAEA
Colour vision & accessibility
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text18.57:1WCAG large text: AAA
Contrast with black, large text1.13:1WCAG large text: Fail
Named colours
Hue familycyan
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#150A0A
Analogous#0A150F, #0A0F15
Triadic#150A15, #15150A
Split complementary#150A0F, #150F0A
Tetradic#0F0A15, #150A0A, #0F150A
Tints, shades & saturation
Channel breakdown
R10
G21
B21
Red10 (3.9%)
Green21 (8.2%)
Blue21 (8.2%)
Hue180°
Saturation (HSL)35.48%
Lightness6.08%
Dominant channelGreen and Blue
Hex per channelR 0A · G 15 · B 15
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