Recognised as Colour
#A32218
- #A32218
- Red
- Dark
- Nearest: Firebrick
#A32218 is a red with RGB values 163, 34, 24 and HSL 4°, 74%, 37%. It is a dark colour, so white text on it reaches 7.5:1 contrast (AAA for normal text). The nearest named colour is Firebrick.
Colour values
#A32218#A32218
HEX#A32218
RGBrgb(163, 34, 24)
RGB (0–1)0.6392, 0.1333, 0.0941
RGB percentages63.9%, 13.3%, 9.4%
HSLhsl(4.3, 74.3%, 36.7%)
HSV / HSBhsv(4.3, 85.3%, 63.9%)
CMYK0%, 79.1%, 85.3%, 36.1%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer10,691,096
CSS custom property--colour: #A32218;
Brightness & contrast
Relative luminance0.08997WCAG 2.x, 0 is black and 1 is white
Perceived brightness93.2 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 7.5:1
Contrast with white7.5:1WCAG normal text: AAA
Contrast with black2.8:1WCAG normal text: Fail
Greyscale equivalent#3D3D3D
Inverted#5CDDE7
Colour vision & accessibility
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text7.5:1WCAG large text: AAA
Contrast with black, large text2.8:1WCAG large text: Fail
Named colours
Hue familyred
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#1899A3
Analogous#A31853, #A36818
Triadic#18A322, #2218A3
Split complementary#18A368, #1853A3
Tetradic#53A318, #1899A3, #6818A3
Tints, shades & saturation
Channel breakdown
R163
G34
B24
Red163 (63.9%)
Green34 (13.3%)
Blue24 (9.4%)
Hue4.32°
Saturation (HSL)74.33%
Lightness36.67%
Dominant channelRed
Hex per channelR A3 · G 22 · B 18
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