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Recognised as Colour

#87B8DA

  • #87B8DA
  • Blue
  • Dark
  • Nearest: Sky blue

#87B8DA is a blue with RGB values 135, 184, 218 and HSL 205°, 53%, 69%. It is a dark colour, so black text on it reaches 9.9:1 contrast (AAA for normal text). The nearest named colour is Sky blue.

Colour values

#87B8DA#87B8DA
HEX#87B8DA
RGBrgb(135, 184, 218)
RGB (0–1)0.5294, 0.7216, 0.8549
RGB percentages52.9%, 72.2%, 85.5%
HSLhsl(204.6, 52.9%, 69.2%)
HSV / HSBhsv(204.6, 38.1%, 85.5%)
CMYK38.1%, 15.6%, 0%, 14.5%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer8,894,682
CSS custom property--colour: #87B8DA;

Brightness & contrast

Relative luminance0.44494WCAG 2.x, 0 is black and 1 is white
Perceived brightness175.3 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 9.9:1
Contrast with white2.12:1WCAG normal text: Fail
Contrast with black9.9:1WCAG normal text: AAA
Greyscale equivalent#B0B0B0
Inverted#784725

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#A9B7DCno red cones; affects about 1% of men; ΔE 11.2 from the original
Deuteranopia#9EAED9no green cones; the most common form, about 1% of men; ΔE 11.9 from the original
Tritanopia#69C1C3no blue cones; rare, and affects men and women equally; ΔE 22.4 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text2.12:1WCAG large text: Fail
Contrast with black, large text9.9:1WCAG large text: AAA

Named colours

Sky blue · ΔE 9.8Light skyblue · ΔE 10Light steelblue · ΔE 11.2Light blue · ΔE 15.9Powder blue · ΔE 20.7Light slate grey · ΔE 20.7
Nearest named CSS colourSky blue (#87CEEB)ΔE 9.81, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#DAA987
Analogous#87DAD3, #878EDA
Triadic#DA87B8, #B8DA87
Split complementary#DA878E, #DAD287
Tetradic#D387DA, #DAA987, #8FDA87

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FFFFFF
Lighter +30%#FCFDFE
Lighter +20%#D5E6F2
Lighter +10%#AECFE6
Darker −10%#60A1CE
Darker −20%#3B89C0
Darker −30%#2F6E99
Darker −40%#235272
More saturated +25%#73BCEE
Less saturated −25%#9BB4C6

Channel breakdown

R135
G184
B218
Red135 (52.9%)
Green184 (72.2%)
Blue218 (85.5%)
Hue204.58°
Saturation (HSL)52.87%
Lightness69.22%
Dominant channelBlue
Hex per channelR 87 · G B8 · B DA

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Every value on this page was computed from “87b8da” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.