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Recognised as Colour

#87AEE3

  • #87AEE3
  • Blue
  • Dark
  • Nearest: Light skyblue

#87AEE3 is a blue with RGB values 135, 174, 227 and HSL 215°, 62%, 71%. It is a dark colour, so black text on it reaches 9.2:1 contrast (AAA for normal text). The nearest named colour is Light skyblue.

Colour values

#87AEE3#87AEE3
HEX#87AEE3
RGBrgb(135, 174, 227)
RGB (0–1)0.5294, 0.6824, 0.8902
RGB percentages52.9%, 68.2%, 89%
HSLhsl(214.6, 62.2%, 71%)
HSV / HSBhsv(214.6, 40.5%, 89%)
CMYK40.5%, 23.3%, 0%, 11%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer8,892,131
CSS custom property--colour: #87AEE3;

Brightness & contrast

Relative luminance0.40969WCAG 2.x, 0 is black and 1 is white
Perceived brightness170.6 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 9.19:1
Contrast with white2.28:1WCAG normal text: Fail
Contrast with black9.19:1WCAG normal text: AAA
Greyscale equivalent#AAAAAA
Inverted#78511C

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#9AB0E5no red cones; affects about 1% of men; ΔE 5.2 from the original
Deuteranopia#90A7E2no green cones; the most common form, about 1% of men; ΔE 6.4 from the original
Tritanopia#67BAC0no blue cones; rare, and affects men and women equally; ΔE 31 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text2.28:1WCAG large text: Fail
Contrast with black, large text9.19:1WCAG large text: AAA

Named colours

Light skyblue · ΔE 14.8Light steelblue · ΔE 17.7Steel blue · ΔE 18.2Sky blue · ΔE 19.9Deep skyblue · ΔE 21.5Cornflower blue · ΔE 22.2
Nearest named CSS colourLight skyblue (#87CEFA)ΔE 14.76, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#E3BC87
Analogous#87DCE3, #8E87E3
Triadic#E387AE, #AEE387
Split complementary#E38E87, #DCE387
Tetradic#E387DC, #E3BC87, #87E38E

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FFFFFF
Lighter +30%#FFFFFF
Lighter +20%#DAE6F6
Lighter +10%#B0CAED
Darker −10%#5E92D9
Darker −20%#3476D0
Darker −30%#285FA9
Darker −40%#1E4880
More saturated +25%#74ABF5
Less saturated −25%#9AB1D0

Channel breakdown

R135
G174
B227
Red135 (52.9%)
Green174 (68.2%)
Blue227 (89%)
Hue214.57°
Saturation (HSL)62.16%
Lightness70.98%
Dominant channelBlue
Hex per channelR 87 · G AE · B E3

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Every value on this page was computed from “87aee3” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.