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Recognised as Colour

#AA91DF

  • #AA91DF
  • Violet
  • Dark
  • Nearest: Plum

#AA91DF is a violet with RGB values 170, 145, 223 and HSL 259°, 55%, 72%. It is a dark colour, so black text on it reaches 7.8:1 contrast (AAA for normal text). The nearest named colour is Plum.

Colour values

#AA91DF#AA91DF
HEX#AA91DF
RGBrgb(170, 145, 223)
RGB (0–1)0.6667, 0.5686, 0.8745
RGB percentages66.7%, 56.9%, 87.5%
HSLhsl(259.2, 54.9%, 72.2%)
HSV / HSBhsv(259.2, 35%, 87.5%)
CMYK23.8%, 35%, 0%, 12.5%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer11,178,463
CSS custom property--colour: #AA91DF;

Brightness & contrast

Relative luminance0.34125WCAG 2.x, 0 is black and 1 is white
Perceived brightness163.3 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 7.82:1
Contrast with white2.68:1WCAG normal text: Fail
Contrast with black7.82:1WCAG normal text: AAA
Greyscale equivalent#9C9C9C
Inverted#556E20

Colour vision & accessibility

Protanopia#7E9EE2no red cones; affects about 1% of men; ΔE 18.8 from the original
Deuteranopia#829DDDno green cones; the most common form, about 1% of men; ΔE 18.6 from the original
Tritanopia#A09EAEno blue cones; rare, and affects men and women equally; ΔE 35.5 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text2.68:1WCAG large text: Fail
Contrast with black, large text7.82:1WCAG large text: AAA

Named colours

Nearest named CSS colourPlum (#DDA0DD)ΔE 18.04, a distinctly different colour
Hue familyviolet
CSS keyword usableNo exact keyword

Colour harmonies

Complementary#C6DF91
Analogous#919FDF, #D191DF
Triadic#DFAA91, #91DFAA
Split complementary#DFD191, #9FDF91
Tetradic#DF919F, #C6DF91, #91DFD1

Tints, shades & saturation

Lighter +40%#FFFFFF
Lighter +30%#FFFFFF
Lighter +20%#E7E0F6
Lighter +10%#C9B9EA
Darker −10%#8B69D4
Darker −20%#6D42C8
Darker −30%#5630A7
Darker −40%#42257F
More saturated +25%#A47FF1
Less saturated −25%#B0A3CD

Channel breakdown

R170
G145
B223
Red170 (66.7%)
Green145 (56.9%)
Blue223 (87.5%)
Hue259.23°
Saturation (HSL)54.93%
Lightness72.16%
Dominant channelBlue
Hex per channelR AA · G 91 · B DF

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Every value on this page was computed from “aa91df” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.