Recognised as Colour
#A30428
- #A30428
- Red
- Dark
- Nearest: Brown
#A30428 is a red with RGB values 163, 4, 40 and HSL 346°, 95%, 33%. It is a dark colour, so white text on it reaches 8.1:1 contrast (AAA for normal text). The nearest named colour is Brown.
Colour values
#A30428#A30428
HEX#A30428
RGBrgb(163, 4, 40)
RGB (0–1)0.6392, 0.0157, 0.1569
RGB percentages63.9%, 1.6%, 15.7%
HSLhsl(346.4, 95.2%, 32.7%)
HSV / HSBhsv(346.4, 97.5%, 63.9%)
CMYK0%, 97.5%, 75.5%, 36.1%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer10,683,432
CSS custom property--colour: #A30428;
Brightness & contrast
Relative luminance0.08027WCAG 2.x, 0 is black and 1 is white
Perceived brightness90.2 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 8.06:1
Contrast with white8.06:1WCAG normal text: AAA
Contrast with black2.61:1WCAG normal text: Fail
Greyscale equivalent#282828
Inverted#5CFBD7
Colour vision & accessibility
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text8.06:1WCAG large text: AAA
Contrast with black, large text2.61:1WCAG large text: Fail
Named colours
Hue familyred
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#04A37F
Analogous#A30477, #A33004
Triadic#28A304, #0428A3
Split complementary#04A330, #0477A3
Tetradic#77A304, #04A37F, #2F04A3
Tints, shades & saturation
Channel breakdown
R163
G4
B40
Red163 (63.9%)
Green4 (1.6%)
Blue40 (15.7%)
Hue346.42°
Saturation (HSL)95.21%
Lightness32.75%
Dominant channelRed
Hex per channelR A3 · G 04 · B 28
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