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Colour

#AB99FF

  • #AB99FF
  • Blue
  • Dark
  • Nearest: Medium purple

#AB99FF is a blue with RGB values 171, 153, 255 and HSL 251°, 100%, 80%. It is a dark colour, so black text on it reaches 8.7:1 contrast (AAA for normal text). The nearest named colour is Medium purple.

Colour values

#AB99FF#AB99FF
HEX#AB99FF
RGBrgb(171, 153, 255)
RGB (0–1)0.6706, 0.6, 1
RGB percentages67.1%, 60%, 100%
HSLhsl(250.6, 100%, 80%)
HSV / HSBhsv(250.6, 40%, 100%)
CMYK32.9%, 40%, 0%, 0%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer11,246,079
CSS custom property--colour: #AB99FF;

Brightness & contrast

Relative luminance0.3866WCAG 2.x, 0 is black and 1 is white
Perceived brightness172.9 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 8.73:1
Contrast with white2.4:1WCAG normal text: Fail
Contrast with black8.73:1WCAG normal text: AAA
Greyscale equivalent#A4A4A4
Inverted#546600

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#79A9FFno red cones; affects about 1% of men; ΔE 21.3 from the original
Deuteranopia#7AA5FCno green cones; the most common form, about 1% of men; ΔE 19.7 from the original
Tritanopia#97ACC0no blue cones; rare, and affects men and women equally; ΔE 48 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text2.4:1WCAG large text: Fail
Contrast with black, large text8.73:1WCAG large text: AAA

Named colours

Medium purple · ΔE 15.7Cornflower blue · ΔE 20.7Dodgerblue · ΔE 25.8Slate blue · ΔE 25.9Medium slateblue · ΔE 26.5Royal blue · ΔE 26.8
Nearest named CSS colourMedium purple (#9370DB)ΔE 15.71, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#EDFF99
Analogous#99BAFF, #DE99FF
Triadic#FFAB99, #99FFAB
Split complementary#FFDE99, #BAFF99
Tetradic#FF99BA, #EDFF99, #99FFDE

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FFFFFF
Lighter +30%#FFFFFF
Lighter +20%#FFFFFF
Lighter +10%#D5CCFF
Darker −10%#8166FF
Darker −20%#5733FF
Darker −30%#2D00FF
Darker −40%#2400CC
More saturated +25%#AB99FF
Less saturated −25%#B3A6F2

Channel breakdown

R171
G153
B255
Red171 (67.1%)
Green153 (60%)
Blue255 (100%)
Hue250.59°
Saturation (HSL)100%
Lightness80%
Dominant channelBlue
Hex per channelR AB · G 99 · B FF

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Every value on this page was computed from “ab99ff” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.