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Recognised as Colour

#A3BDED

  • #A3BDED
  • Blue
  • Light
  • Nearest: Light steelblue

#A3BDED is a blue with RGB values 163, 189, 237 and HSL 219°, 67%, 78%. It is a light colour, so black text on it reaches 11.1:1 contrast (AAA for normal text). The nearest named colour is Light steelblue.

Colour values

#A3BDED#A3BDED
HEX#A3BDED
RGBrgb(163, 189, 237)
RGB (0–1)0.6392, 0.7412, 0.9294
RGB percentages63.9%, 74.1%, 92.9%
HSLhsl(218.9, 67.3%, 78.4%)
HSV / HSBhsv(218.9, 31.2%, 92.9%)
CMYK31.2%, 20.3%, 0%, 7.1%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer10,730,989
CSS custom property--colour: #A3BDED;

Brightness & contrast

Relative luminance0.50296WCAG 2.x, 0 is black and 1 is white
Perceived brightness187.9 of 255ITU-R BT.601 weighting
Light or darkLight
Best text colour on this backgroundBlackcontrast 11.06:1
Contrast with white1.9:1WCAG normal text: Fail
Contrast with black11.06:1WCAG normal text: AAA
Greyscale equivalent#BBBBBB
Inverted#5C4212

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#ADC0EFno red cones; affects about 1% of men; ΔE 2.6 from the original
Deuteranopia#A6B9ECno green cones; the most common form, about 1% of men; ΔE 3 from the original
Tritanopia#8EC7CDno blue cones; rare, and affects men and women equally; ΔE 26.1 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text1.9:1WCAG large text: Fail
Contrast with black, large text11.06:1WCAG large text: AAA

Named colours

Light steelblue · ΔE 12.2Light skyblue · ΔE 13.6Sky blue · ΔE 18.1Thistle · ΔE 21Light blue · ΔE 21.4Lavender · ΔE 23.2
Nearest named CSS colourLight steelblue (#B0C4DE)ΔE 12.21, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#EDD3A3
Analogous#A3E2ED, #AEA3ED
Triadic#EDA3BD, #BDEDA3
Split complementary#EDAEA3, #E2EDA3
Tetradic#EDA3E2, #EDD3A3, #A3EDAE

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FFFFFF
Lighter +30%#FFFFFF
Lighter +20%#F8FAFE
Lighter +10%#CEDCF5
Darker −10%#789EE5
Darker −20%#4E80DC
Darker −30%#2863CF
Darker −40%#204EA4
More saturated +25%#95B9FB
Less saturated −25%#B1C1DF

Channel breakdown

R163
G189
B237
Red163 (63.9%)
Green189 (74.1%)
Blue237 (92.9%)
Hue218.92°
Saturation (HSL)67.27%
Lightness78.43%
Dominant channelBlue
Hex per channelR A3 · G BD · B ED

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Every value on this page was computed from “a3bded” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.