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Recognised as Colour

#A9B9E1

  • #A9B9E1
  • Blue
  • Dark
  • Nearest: Light steelblue

#A9B9E1 is a blue with RGB values 169, 185, 225 and HSL 223°, 48%, 77%. It is a dark colour, so black text on it reaches 10.7:1 contrast (AAA for normal text). The nearest named colour is Light steelblue.

Colour values

#A9B9E1#A9B9E1
HEX#A9B9E1
RGBrgb(169, 185, 225)
RGB (0–1)0.6627, 0.7255, 0.8824
RGB percentages66.3%, 72.5%, 88.2%
HSLhsl(222.9, 48.3%, 77.3%)
HSV / HSBhsv(222.9, 24.9%, 88.2%)
CMYK24.9%, 17.8%, 0%, 11.8%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer11,123,169
CSS custom property--colour: #A9B9E1;

Brightness & contrast

Relative luminance0.48569WCAG 2.x, 0 is black and 1 is white
Perceived brightness185.5 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 10.71:1
Contrast with white1.96:1WCAG normal text: Fail
Contrast with black10.71:1WCAG normal text: AAA
Greyscale equivalent#B8B8B8
Inverted#56461E

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#ADBCE3no red cones; affects about 1% of men; ΔE 1.3 from the original
Deuteranopia#A8B7E0no green cones; the most common form, about 1% of men; ΔE 0.9 from the original
Tritanopia#9BC1C6no blue cones; rare, and affects men and women equally; ΔE 21.1 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text1.96:1WCAG large text: Fail
Contrast with black, large text10.71:1WCAG large text: AAA

Named colours

Light steelblue · ΔE 8.6Light skyblue · ΔE 16.2Thistle · ΔE 16.8Sky blue · ΔE 18.5Light blue · ΔE 19.5Lavender · ΔE 20.6
Nearest named CSS colourLight steelblue (#B0C4DE)ΔE 8.63, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#E1D1A9
Analogous#A9D5E1, #B5A9E1
Triadic#E1A9B9, #B9E1A9
Split complementary#E1B5A9, #D5E1A9
Tetradic#E1A9D5, #E1D1A9, #A9E1B5

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FFFFFF
Lighter +30%#FFFFFF
Lighter +20%#F5F7FB
Lighter +10%#CFD8EE
Darker −10%#839AD4
Darker −20%#5D7BC7
Darker −30%#3E60B3
Darker −40%#314B8D
More saturated +25%#9BB3F0
Less saturated −25%#B8BFD3

Channel breakdown

R169
G185
B225
Red169 (66.3%)
Green185 (72.5%)
Blue225 (88.2%)
Hue222.86°
Saturation (HSL)48.28%
Lightness77.25%
Dominant channelBlue
Hex per channelR A9 · G B9 · B E1

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Every value on this page was computed from “a9b9e1” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.