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Recognised as Colour

#A90B9B

  • #A90B9B
  • Magenta
  • Dark
  • Nearest: Dark magenta

#A90B9B is a magenta with RGB values 169, 11, 155 and HSL 305°, 88%, 35%. It is a dark colour, so white text on it reaches 6.5:1 contrast (AA for normal text). The nearest named colour is Dark magenta.

Colour values

#A90B9B#A90B9B
HEX#A90B9B
RGBrgb(169, 11, 155)
RGB (0–1)0.6627, 0.0431, 0.6078
RGB percentages66.3%, 4.3%, 60.8%
HSLhsl(305.3, 87.8%, 35.3%)
HSV / HSBhsv(305.3, 93.5%, 66.3%)
CMYK0%, 93.5%, 8.3%, 33.7%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer11,078,555
CSS custom property--colour: #A90B9B;

Brightness & contrast

Relative luminance0.11041WCAG 2.x, 0 is black and 1 is white
Perceived brightness106.5 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 6.55:1
Contrast with white6.55:1WCAG normal text: AA
Contrast with black3.21:1WCAG normal text: Fail
Greyscale equivalent#373737
Inverted#56F464

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#00509Eno red cones; affects about 1% of men; ΔE 59.3 from the original
Deuteranopia#4D6598no green cones; the most common form, about 1% of men; ΔE 63.5 from the original
Tritanopia#B1275Bno blue cones; rare, and affects men and women equally; ΔE 42.7 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text6.55:1WCAG large text: AAA
Contrast with black, large text3.21:1WCAG large text: AA

Named colours

Dark magenta · ΔE 9.7Purple · ΔE 14.1Medium orchid · ΔE 20.1Medium violet red · ΔE 22.5Dark orchid · ΔE 23.7Orchid · ΔE 27
Nearest named CSS colourDark magenta (#8B008B)ΔE 9.69, clearly different but related
Hue familymagenta
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#0BA919
Analogous#680BA9, #A90B4C
Triadic#9BA90B, #0B9BA9
Split complementary#4CA90B, #0BA968
Tetradic#A9680B, #0BA919, #0B4CA9

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#F789EE
Lighter +30%#F459E6
Lighter +20%#F129DF
Lighter +10%#D90EC7
Darker −10%#79086F
Darker −20%#490543
Darker −30%#190217
Darker −40%#000000
More saturated +25%#B400A4
Less saturated −25%#932188

Channel breakdown

R169
G11
B155
Red169 (66.3%)
Green11 (4.3%)
Blue155 (60.8%)
Hue305.32°
Saturation (HSL)87.78%
Lightness35.29%
Dominant channelRed
Hex per channelR A9 · G 0B · B 9B

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Every value on this page was computed from “a90b9b” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.