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Colour

#A638AB

  • #A638AB
  • Magenta
  • Dark
  • Nearest: Dark magenta

#A638AB is a magenta with RGB values 166, 56, 171 and HSL 297°, 51%, 45%. It is a dark colour, so white text on it reaches 5.6:1 contrast (AA for normal text). The nearest named colour is Dark magenta.

Colour values

#A638AB#A638AB
HEX#A638AB
RGBrgb(166, 56, 171)
RGB (0–1)0.651, 0.2196, 0.6706
RGB percentages65.1%, 22%, 67.1%
HSLhsl(297.4, 50.7%, 44.5%)
HSV / HSBhsv(297.4, 67.3%, 67.1%)
CMYK2.9%, 67.3%, 0%, 32.9%naive device-independent conversion; real print needs an ICC profile
24-bit integer10,893,483
CSS custom property--colour: #A638AB;

Brightness & contrast

Relative luminance0.13876WCAG 2.x, 0 is black and 1 is white
Perceived brightness115.8 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 5.56:1
Contrast with white5.56:1WCAG normal text: AA
Contrast with black3.78:1WCAG normal text: Fail
Greyscale equivalent#585858
Inverted#59C754

Colour vision & accessibility

Protanopia#225FAEno red cones; affects about 1% of men; ΔE 50.3 from the original
Deuteranopia#516DA8no green cones; the most common form, about 1% of men; ΔE 52.6 from the original
Tritanopia#AA496Dno blue cones; rare, and affects men and women equally; ΔE 41.8 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text5.56:1WCAG large text: AAA
Contrast with black, large text3.78:1WCAG large text: AA

Named colours

Nearest named CSS colourDark magenta (#8B008B)ΔE 11.94, a distinctly different colour
Hue familymagenta
CSS keyword usableNo exact keyword

Colour harmonies

Complementary#3DAB38
Analogous#6C38AB, #AB3877
Triadic#ABA638, #38ABA6
Split complementary#77AB38, #38AB6C
Tetradic#AB6C38, #3DAB38, #3877AB

Tints, shades & saturation

Lighter +40%#EAC3EC
Lighter +30%#DC9DDF
Lighter +20%#CE77D2
Lighter +10%#C150C6
Darker −10%#812B85
Darker −20%#5B1F5E
Darker −30%#361238
Darker −40%#110611
More saturated +25%#C01CC7
Less saturated −25%#8C548F

Channel breakdown

R166
G56
B171
Red166 (65.1%)
Green56 (22%)
Blue171 (67.1%)
Hue297.39°
Saturation (HSL)50.66%
Lightness44.51%
Dominant channelBlue
Hex per channelR A6 · G 38 · B AB

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Every value on this page was computed from “a638ab” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.