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Recognised as Colour

#87A8CD

  • #87A8CD
  • Blue
  • Dark
  • Nearest: Light steelblue

#87A8CD is a blue with RGB values 135, 168, 205 and HSL 212°, 41%, 67%. It is a dark colour, so black text on it reaches 8.5:1 contrast (AAA for normal text). The nearest named colour is Light steelblue.

Colour values

#87A8CD#87A8CD
HEX#87A8CD
RGBrgb(135, 168, 205)
RGB (0–1)0.5294, 0.6588, 0.8039
RGB percentages52.9%, 65.9%, 80.4%
HSLhsl(211.7, 41.2%, 66.7%)
HSV / HSBhsv(211.7, 34.1%, 80.4%)
CMYK34.1%, 18%, 0%, 19.6%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer8,890,573
CSS custom property--colour: #87A8CD;

Brightness & contrast

Relative luminance0.37564WCAG 2.x, 0 is black and 1 is white
Perceived brightness163.7 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 8.51:1
Contrast with white2.47:1WCAG normal text: Fail
Contrast with black8.51:1WCAG normal text: AAA
Greyscale equivalent#A4A4A4
Inverted#785732

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#9AA9CFno red cones; affects about 1% of men; ΔE 5.9 from the original
Deuteranopia#92A2CCno green cones; the most common form, about 1% of men; ΔE 6.4 from the original
Tritanopia#71B0B4no blue cones; rare, and affects men and women equally; ΔE 21.9 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text2.47:1WCAG large text: Fail
Contrast with black, large text8.51:1WCAG large text: AAA

Named colours

Light steelblue · ΔE 13Light skyblue · ΔE 15.9Light slate grey · ΔE 16.4Sky blue · ΔE 17Steel blue · ΔE 18.1Slate grey · ΔE 19
Nearest named CSS colourLight steelblue (#B0C4DE)ΔE 13.03, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#CDAC87
Analogous#87CBCD, #8987CD
Triadic#CD87A8, #A8CD87
Split complementary#CD8987, #CBCD87
Tetradic#CD87CB, #CDAC87, #87CD89

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FFFFFF
Lighter +30%#F3F6FA
Lighter +20%#CFDCEB
Lighter +10%#ABC2DC
Darker −10%#638EBE
Darker −20%#4674A8
Darker −30%#375B84
Darker −40%#284260
More saturated +25%#72A7E2
Less saturated −25%#9CA9B8

Channel breakdown

R135
G168
B205
Red135 (52.9%)
Green168 (65.9%)
Blue205 (80.4%)
Hue211.71°
Saturation (HSL)41.18%
Lightness66.67%
Dominant channelBlue
Hex per channelR 87 · G A8 · B CD

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Every value on this page was computed from “87a8cd” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.