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Recognised as Colour

#AB66DB

  • #AB66DB
  • Violet
  • Dark
  • Nearest: Medium orchid

#AB66DB is a violet with RGB values 171, 102, 219 and HSL 275°, 62%, 63%. It is a dark colour, so black text on it reaches 5.7:1 contrast (AA for normal text). The nearest named colour is Medium orchid.

Colour values

#AB66DB#AB66DB
HEX#AB66DB
RGBrgb(171, 102, 219)
RGB (0–1)0.6706, 0.4, 0.8588
RGB percentages67.1%, 40%, 85.9%
HSLhsl(275.4, 61.9%, 62.9%)
HSV / HSBhsv(275.4, 53.4%, 85.9%)
CMYK21.9%, 53.4%, 0%, 14.1%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer11,232,987
CSS custom property--colour: #AB66DB;

Brightness & contrast

Relative luminance0.23275WCAG 2.x, 0 is black and 1 is white
Perceived brightness142.5 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 5.66:1
Contrast with white3.71:1WCAG normal text: Fail
Contrast with black5.66:1WCAG normal text: AA
Greyscale equivalent#7D7D7D
Inverted#549924

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#4382DFno red cones; affects about 1% of men; ΔE 38.5 from the original
Deuteranopia#5A86D8no green cones; the most common form, about 1% of men; ΔE 39.2 from the original
Tritanopia#A57A97no blue cones; rare, and affects men and women equally; ΔE 48.5 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text3.71:1WCAG large text: AA
Contrast with black, large text5.66:1WCAG large text: AAA

Named colours

Medium orchid · ΔE 10.9Medium purple · ΔE 11.7Medium slateblue · ΔE 18Orchid · ΔE 18Slate blue · ΔE 18.1Violet · ΔE 20.6
Nearest named CSS colourMedium orchid (#BA55D3)ΔE 10.86, a distinctly different colour
Hue familyviolet
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#96DB66
Analogous#7066DB, #DB66D1
Triadic#DBAB66, #66DBAB
Split complementary#D1DB66, #66DB70
Tetradic#DB7066, #96DB66, #66D1DB

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FFFFFF
Lighter +30%#EFE2F8
Lighter +20%#D8B9EE
Lighter +10%#C28FE5
Darker −10%#943DD1
Darker −20%#7A2AB1
Darker −30%#5D2088
Darker −40%#41165F
More saturated +25%#AF4EF3
Less saturated −25%#A77EC3

Channel breakdown

R171
G102
B219
Red171 (67.1%)
Green102 (40%)
Blue219 (85.9%)
Hue275.38°
Saturation (HSL)61.9%
Lightness62.94%
Dominant channelBlue
Hex per channelR AB · G 66 · B DB

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Every value on this page was computed from “ab66db” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.