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Colour

#A99DDE

  • #A99DDE
  • Blue
  • Dark
  • Nearest: Plum

#A99DDE is a blue with RGB values 169, 157, 222 and HSL 251°, 50%, 74%. It is a dark colour, so black text on it reaches 8.6:1 contrast (AAA for normal text). The nearest named colour is Plum.

Colour values

#A99DDE#A99DDE
HEX#A99DDE
RGBrgb(169, 157, 222)
RGB (0–1)0.6627, 0.6157, 0.8706
RGB percentages66.3%, 61.6%, 87.1%
HSLhsl(251.1, 49.6%, 74.3%)
HSV / HSBhsv(251.1, 29.3%, 87.1%)
CMYK23.9%, 29.3%, 0%, 12.9%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer11,115,998
CSS custom property--colour: #A99DDE;

Brightness & contrast

Relative luminance0.37823WCAG 2.x, 0 is black and 1 is white
Perceived brightness169.2 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 8.56:1
Contrast with white2.45:1WCAG normal text: Fail
Contrast with black8.56:1WCAG normal text: AAA
Greyscale equivalent#A4A4A4
Inverted#566221

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#8DA6E1no red cones; affects about 1% of men; ΔE 12.4 from the original
Deuteranopia#8EA4DCno green cones; the most common form, about 1% of men; ΔE 12.3 from the original
Tritanopia#9EA8B4no blue cones; rare, and affects men and women equally; ΔE 30.7 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text2.45:1WCAG large text: Fail
Contrast with black, large text8.56:1WCAG large text: AAA

Named colours

Plum · ΔE 18.1Cornflower blue · ΔE 20.8Thistle · ΔE 25.7Steel blue · ΔE 27Light steelblue · ΔE 27.3Medium purple · ΔE 29.5
Nearest named CSS colourPlum (#DDA0DD)ΔE 18.12, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#D2DE9D
Analogous#9DB2DE, #CA9DDE
Triadic#DEA99D, #9DDEA9
Split complementary#DEC99D, #B2DE9D
Tetradic#DE9DB2, #D2DE9D, #9DDECA

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FFFFFF
Lighter +30%#FFFFFF
Lighter +20%#ECE9F8
Lighter +10%#CAC3EB
Darker −10%#8877D1
Darker −20%#6651C4
Darker −30%#4E39A9
Darker −40%#3C2C83
More saturated +25%#9F8DEE
Less saturated −25%#B3ADCE

Channel breakdown

R169
G157
B222
Red169 (66.3%)
Green157 (61.6%)
Blue222 (87.1%)
Hue251.08°
Saturation (HSL)49.62%
Lightness74.31%
Dominant channelBlue
Hex per channelR A9 · G 9D · B DE

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Every value on this page was computed from “a99dde” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.