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Recognised as Colour

#87A7D8

  • #87A7D8
  • Blue
  • Dark
  • Nearest: Steel blue

#87A7D8 is a blue with RGB values 135, 167, 216 and HSL 216°, 51%, 69%. It is a dark colour, so black text on it reaches 8.5:1 contrast (AAA for normal text). The nearest named colour is Steel blue.

Colour values

#87A7D8#87A7D8
HEX#87A7D8
RGBrgb(135, 167, 216)
RGB (0–1)0.5294, 0.6549, 0.8471
RGB percentages52.9%, 65.5%, 84.7%
HSLhsl(216.3, 50.9%, 68.8%)
HSV / HSBhsv(216.3, 37.5%, 84.7%)
CMYK37.5%, 22.7%, 0%, 15.3%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer8,890,328
CSS custom property--colour: #87A7D8;

Brightness & contrast

Relative luminance0.37746WCAG 2.x, 0 is black and 1 is white
Perceived brightness164.7 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 8.55:1
Contrast with white2.46:1WCAG normal text: Fail
Contrast with black8.55:1WCAG normal text: AAA
Greyscale equivalent#A4A4A4
Inverted#785827

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#96AADAno red cones; affects about 1% of men; ΔE 4 from the original
Deuteranopia#8DA2D7no green cones; the most common form, about 1% of men; ΔE 4.4 from the original
Tritanopia#6DB1B8no blue cones; rare, and affects men and women equally; ΔE 27.5 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text2.46:1WCAG large text: Fail
Contrast with black, large text8.55:1WCAG large text: AAA

Named colours

Steel blue · ΔE 16.7Light skyblue · ΔE 16.8Light steelblue · ΔE 17.1Sky blue · ΔE 20.8Light slate grey · ΔE 21.2Cornflower blue · ΔE 23.3
Nearest named CSS colourSteel blue (#4682B4)ΔE 16.66, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#D8B887
Analogous#87D0D8, #9087D8
Triadic#D887A7, #A7D887
Split complementary#D89087, #D0D887
Tetradic#D887D0, #D8B887, #87D890

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FFFFFF
Lighter +30%#FAFCFE
Lighter +20%#D4DFF1
Lighter +10%#ADC3E5
Darker −10%#618BCB
Darker −20%#3D6FBC
Darker −30%#315895
Darker −40%#24426F
More saturated +25%#73A3EC
Less saturated −25%#9BABC4

Channel breakdown

R135
G167
B216
Red135 (52.9%)
Green167 (65.5%)
Blue216 (84.7%)
Hue216.3°
Saturation (HSL)50.94%
Lightness68.82%
Dominant channelBlue
Hex per channelR 87 · G A7 · B D8

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Every value on this page was computed from “87a7d8” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.