Colour
#2A171C
- #2A171C
- Red
- Dark
- Nearest: Black
#2A171C is a red with RGB values 42, 23, 28 and HSL 344°, 29%, 13%. It is a dark colour, so white text on it reaches 17:1 contrast (AAA for normal text). The nearest named colour is Black.
Colour values
#2A171C#2A171C
HEX#2A171C
RGBrgb(42, 23, 28)
RGB (0–1)0.1647, 0.0902, 0.1098
RGB percentages16.5%, 9%, 11%
HSLhsl(344.2, 29.2%, 12.7%)
HSV / HSBhsv(344.2, 45.2%, 16.5%)
CMYK0%, 45.2%, 33.3%, 83.5%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,758,428
CSS custom property--colour: #2A171C;
Brightness & contrast
Relative luminance0.01189WCAG 2.x, 0 is black and 1 is white
Perceived brightness30.5 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 16.97:1
Contrast with white16.97:1WCAG normal text: AAA
Contrast with black1.24:1WCAG normal text: Fail
Greyscale equivalent#1B1B1B
Inverted#D5E8E3
Colour vision & accessibility
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text16.97:1WCAG large text: AAA
Contrast with black, large text1.24:1WCAG large text: Fail
Named colours
Hue familyred
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#172A25
Analogous#2A1725, #2A1B17
Triadic#1C2A17, #171C2A
Split complementary#172A1B, #17252A
Tetradic#252A17, #172A25, #1C172A
Tints, shades & saturation
Channel breakdown
R42
G23
B28
Red42 (16.5%)
Green23 (9%)
Blue28 (11%)
Hue344.21°
Saturation (HSL)29.23%
Lightness12.75%
Dominant channelRed
Hex per channelR 2A · G 17 · B 1C
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