Recognised as Colour
#10090A
- #10090A
- Red
- Dark
- Nearest: Black
#10090A is a red with RGB values 16, 9, 10 and HSL 351°, 28%, 5%. It is a dark colour, so white text on it reaches 19.7:1 contrast (AAA for normal text). The nearest named colour is Black.
Colour values
#10090A#10090A
HEX#10090A
RGBrgb(16, 9, 10)
RGB (0–1)0.0627, 0.0353, 0.0392
RGB percentages6.3%, 3.5%, 3.9%
HSLhsl(351.4, 28%, 4.9%)
HSV / HSBhsv(351.4, 43.8%, 6.3%)
CMYK0%, 43.8%, 37.5%, 93.7%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,050,890
CSS custom property--colour: #10090A;
Brightness & contrast
Relative luminance0.00327WCAG 2.x, 0 is black and 1 is white
Perceived brightness11.6 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 19.71:1
Contrast with white19.71:1WCAG normal text: AAA
Contrast with black1.07:1WCAG normal text: Fail
Greyscale equivalent#0B0B0B
Inverted#EFF6F5
Colour vision & accessibility
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text19.71:1WCAG large text: AAA
Contrast with black, large text1.07:1WCAG large text: Fail
Named colours
Hue familyred
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#09100F
Analogous#10090D, #100C09
Triadic#0A1009, #090A10
Split complementary#09100C, #090E10
Tetradic#0E1009, #09100F, #0C0910
Tints, shades & saturation
Channel breakdown
R16
G9
B10
Red16 (6.3%)
Green9 (3.5%)
Blue10 (3.9%)
Hue351.43°
Saturation (HSL)28%
Lightness4.9%
Dominant channelRed
Hex per channelR 10 · G 09 · B 0A
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