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Recognised as Colour

#87A5D0

  • #87A5D0
  • Blue
  • Dark
  • Nearest: Light steelblue

#87A5D0 is a blue with RGB values 135, 165, 208 and HSL 215°, 44%, 67%. It is a dark colour, so black text on it reaches 8.3:1 contrast (AAA for normal text). The nearest named colour is Light steelblue.

Colour values

#87A5D0#87A5D0
HEX#87A5D0
RGBrgb(135, 165, 208)
RGB (0–1)0.5294, 0.6471, 0.8157
RGB percentages52.9%, 64.7%, 81.6%
HSLhsl(215.3, 43.7%, 67.3%)
HSV / HSBhsv(215.3, 35.1%, 81.6%)
CMYK35.1%, 20.7%, 0%, 18.4%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer8,889,808
CSS custom property--colour: #87A5D0;

Brightness & contrast

Relative luminance0.36615WCAG 2.x, 0 is black and 1 is white
Perceived brightness162.4 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 8.32:1
Contrast with white2.52:1WCAG normal text: Fail
Contrast with black8.32:1WCAG normal text: AAA
Greyscale equivalent#A2A2A2
Inverted#785A2F

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#96A7D2no red cones; affects about 1% of men; ΔE 4.3 from the original
Deuteranopia#8EA0CFno green cones; the most common form, about 1% of men; ΔE 4.7 from the original
Tritanopia#70AEB3no blue cones; rare, and affects men and women equally; ΔE 24.8 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text2.52:1WCAG large text: Fail
Contrast with black, large text8.32:1WCAG large text: AAA

Named colours

Light steelblue · ΔE 15.3Steel blue · ΔE 16.6Light skyblue · ΔE 17.1Light slate grey · ΔE 18.1Sky blue · ΔE 19.7Slate grey · ΔE 20.5
Nearest named CSS colourLight steelblue (#B0C4DE)ΔE 15.29, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#D0B287
Analogous#87CAD0, #8E87D0
Triadic#D087A5, #A5D087
Split complementary#D08E87, #CAD087
Tetradic#D087CA, #D0B287, #87D08E

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FFFFFF
Lighter +30%#F5F7FB
Lighter +20%#D0DCED
Lighter +10%#ACC0DE
Darker −10%#628AC2
Darker −20%#446FAD
Darker −30%#355889
Darker −40%#274064
More saturated +25%#72A1E5
Less saturated −25%#9CA9BB

Channel breakdown

R135
G165
B208
Red135 (52.9%)
Green165 (64.7%)
Blue208 (81.6%)
Hue215.34°
Saturation (HSL)43.71%
Lightness67.25%
Dominant channelBlue
Hex per channelR 87 · G A5 · B D0

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Every value on this page was computed from “87a5d0” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.