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Recognised as Colour

#87A3CB

  • #87A3CB
  • Blue
  • Dark
  • Nearest: Light steelblue

#87A3CB is a blue with RGB values 135, 163, 203 and HSL 215°, 40%, 66%. It is a dark colour, so black text on it reaches 8.1:1 contrast (AAA for normal text). The nearest named colour is Light steelblue.

Colour values

#87A3CB#87A3CB
HEX#87A3CB
RGBrgb(135, 163, 203)
RGB (0–1)0.5294, 0.6392, 0.7961
RGB percentages52.9%, 63.9%, 79.6%
HSLhsl(215.3, 39.5%, 66.3%)
HSV / HSBhsv(215.3, 33.5%, 79.6%)
CMYK33.5%, 19.7%, 0%, 20.4%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer8,889,291
CSS custom property--colour: #87A3CB;

Brightness & contrast

Relative luminance0.35657WCAG 2.x, 0 is black and 1 is white
Perceived brightness160.4 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 8.13:1
Contrast with white2.58:1WCAG normal text: Fail
Contrast with black8.13:1WCAG normal text: AAA
Greyscale equivalent#A0A0A0
Inverted#785C34

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#95A5CDno red cones; affects about 1% of men; ΔE 4.1 from the original
Deuteranopia#8D9ECAno green cones; the most common form, about 1% of men; ΔE 4.5 from the original
Tritanopia#72ACB0no blue cones; rare, and affects men and women equally; ΔE 23.5 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text2.58:1WCAG large text: Fail
Contrast with black, large text8.13:1WCAG large text: AAA

Named colours

Light steelblue · ΔE 14.8Light slate grey · ΔE 16.3Steel blue · ΔE 16.7Light skyblue · ΔE 17.9Slate grey · ΔE 18.8Sky blue · ΔE 19.8
Nearest named CSS colourLight steelblue (#B0C4DE)ΔE 14.84, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#CBAF87
Analogous#87C5CB, #8D87CB
Triadic#CB87A3, #A3CB87
Split complementary#CB8D87, #C5CB87
Tetradic#CB87C5, #CBAF87, #87CB8D

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FFFFFF
Lighter +30%#F2F5F9
Lighter +20%#CEDAEA
Lighter +10%#ABBEDA
Darker −10%#6388BC
Darker −20%#476EA5
Darker −30%#385681
Darker −40%#293E5D
More saturated +25%#719FE1
Less saturated −25%#9CA7B5

Channel breakdown

R135
G163
B203
Red135 (52.9%)
Green163 (63.9%)
Blue203 (79.6%)
Hue215.29°
Saturation (HSL)39.53%
Lightness66.27%
Dominant channelBlue
Hex per channelR 87 · G A3 · B CB

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Every value on this page was computed from “87a3cb” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.