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Recognised as Colour

#87BDEA

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

#87BDEA is a blue with RGB values 135, 189, 234 and HSL 207°, 70%, 72%. It is a dark colour, so black text on it reaches 10.5:1 contrast (AAA for normal text). The nearest named colour is Light skyblue.

Colour values

#87BDEA#87BDEA
HEX#87BDEA
RGBrgb(135, 189, 234)
RGB (0–1)0.5294, 0.7412, 0.9176
RGB percentages52.9%, 74.1%, 91.8%
HSLhsl(207.3, 70.2%, 72.4%)
HSV / HSBhsv(207.3, 42.3%, 91.8%)
CMYK42.3%, 19.2%, 0%, 8.2%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer8,895,978
CSS custom property--colour: #87BDEA;

Brightness & contrast

Relative luminance0.47487WCAG 2.x, 0 is black and 1 is white
Perceived brightness180.7 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 10.5:1
Contrast with white2:1WCAG normal text: Fail
Contrast with black10.5:1WCAG normal text: AAA
Greyscale equivalent#B5B5B5
Inverted#784215

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#AABDECno red cones; affects about 1% of men; ΔE 10.6 from the original
Deuteranopia#9DB3E9no green cones; the most common form, about 1% of men; ΔE 11.3 from the original
Tritanopia#60C8CCno blue cones; rare, and affects men and women equally; ΔE 28.2 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text2:1WCAG large text: Fail
Contrast with black, large text10.5:1WCAG large text: AAA

Named colours

Light skyblue · ΔE 7Sky blue · ΔE 11.9Light steelblue · ΔE 14.2Deep skyblue · ΔE 18.7Light blue · ΔE 19.5Steel blue · ΔE 22.5
Nearest named CSS colourLight skyblue (#87CEFA)ΔE 7.05, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#EAB487
Analogous#87EAE5, #878BEA
Triadic#EA87BD, #BDEA87
Split complementary#EA878B, #EAE587
Tetradic#E587EA, #EAB487, #8BEA87

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FFFFFF
Lighter +30%#FFFFFF
Lighter +20%#DEEDF9
Lighter +10%#B2D5F2
Darker −10%#5CA5E2
Darker −20%#308DDB
Darker −30%#2073B8
Darker −40%#19588C
More saturated +25%#75BFFC
Less saturated −25%#99BBD8

Channel breakdown

R135
G189
B234
Red135 (52.9%)
Green189 (74.1%)
Blue234 (91.8%)
Hue207.27°
Saturation (HSL)70.21%
Lightness72.35%
Dominant channelBlue
Hex per channelR 87 · G BD · B EA

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