Recognised as Colour
#AC51A4
- #AC51A4
- Magenta
- Dark
- Nearest: Orchid
#AC51A4 is a magenta with RGB values 172, 81, 164 and HSL 305°, 36%, 50%. It is a dark colour, so white text on it reaches 4.7:1 contrast (AA for normal text). The nearest named colour is Orchid.
Colour values
#AC51A4#AC51A4
HEX#AC51A4
RGBrgb(172, 81, 164)
RGB (0–1)0.6745, 0.3176, 0.6431
RGB percentages67.5%, 31.8%, 64.3%
HSLhsl(305.3, 36%, 49.6%)
HSV / HSBhsv(305.3, 52.9%, 67.5%)
CMYK0%, 52.9%, 4.7%, 32.5%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer11,293,092
CSS custom property--colour: #AC51A4;
Brightness & contrast
Relative luminance0.17336WCAG 2.x, 0 is black and 1 is white
Perceived brightness125.6 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 4.7:1
Contrast with white4.7:1WCAG normal text: AA
Contrast with black4.47:1WCAG normal text: Fail
Greyscale equivalent#6A6A6A
Inverted#53AE5B
Colour vision & accessibility
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text4.7:1WCAG large text: AAA
Contrast with black, large text4.47:1WCAG large text: AA
Named colours
Hue familymagenta
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#51AC59
Analogous#8651AC, #AC5177
Triadic#A4AC51, #51A4AC
Split complementary#77AC51, #51AC86
Tetradic#AC8651, #51AC59, #5177AC
Tints, shades & saturation
Channel breakdown
R172
G81
B164
Red172 (67.5%)
Green81 (31.8%)
Blue164 (64.3%)
Hue305.27°
Saturation (HSL)35.97%
Lightness49.61%
Dominant channelRed
Hex per channelR AC · G 51 · B A4
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Harmonies
Similar named colours
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