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Recognised as Colour

#AAA1DA

  • #AAA1DA
  • Blue
  • Dark
  • Nearest: Plum

#AAA1DA is a blue with RGB values 170, 161, 218 and HSL 249°, 44%, 74%. It is a dark colour, so black text on it reaches 8.8:1 contrast (AAA for normal text). The nearest named colour is Plum.

Colour values

#AAA1DA#AAA1DA
HEX#AAA1DA
RGBrgb(170, 161, 218)
RGB (0–1)0.6667, 0.6314, 0.8549
RGB percentages66.7%, 63.1%, 85.5%
HSLhsl(249.5, 43.5%, 74.3%)
HSV / HSBhsv(249.5, 26.1%, 85.5%)
CMYK22%, 26.1%, 0%, 14.5%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer11,182,554
CSS custom property--colour: #AAA1DA;

Brightness & contrast

Relative luminance0.39098WCAG 2.x, 0 is black and 1 is white
Perceived brightness171.1 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 8.82:1
Contrast with white2.38:1WCAG normal text: Fail
Contrast with black8.82:1WCAG normal text: AAA
Greyscale equivalent#A7A7A7
Inverted#555E25

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#93A9DCno red cones; affects about 1% of men; ΔE 10.8 from the original
Deuteranopia#94A7D8no green cones; the most common form, about 1% of men; ΔE 10.4 from the original
Tritanopia#A0AAB5no blue cones; rare, and affects men and women equally; ΔE 26.6 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text2.38:1WCAG large text: Fail
Contrast with black, large text8.82:1WCAG large text: AAA

Named colours

Plum · ΔE 18.9Thistle · ΔE 21.7Light steelblue · ΔE 22.8Cornflower blue · ΔE 23.4Steel blue · ΔE 25.6Light slate grey · ΔE 27.3
Nearest named CSS colourPlum (#DDA0DD)ΔE 18.86, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#D1DAA1
Analogous#A1B4DA, #C7A1DA
Triadic#DAAAA1, #A1DAAA
Split complementary#DAC7A1, #B4DAA1
Tetradic#DAA1B4, #D1DAA1, #A1DAC7

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FFFFFF
Lighter +30%#FFFFFF
Lighter +20%#ECEAF7
Lighter +10%#CBC6E8
Darker −10%#897CCC
Darker −20%#6858BD
Darker −30%#4F40A2
Darker −40%#3D317E
More saturated +25%#9F91EA
Less saturated −25%#B5B1CA

Channel breakdown

R170
G161
B218
Red170 (66.7%)
Green161 (63.1%)
Blue218 (85.5%)
Hue249.47°
Saturation (HSL)43.51%
Lightness74.31%
Dominant channelBlue
Hex per channelR AA · G A1 · B DA

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Every value on this page was computed from “aaa1da” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.