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Recognised as Colour

#87A8ED

  • #87A8ED
  • Blue
  • Dark
  • Nearest: Cornflower blue

#87A8ED is a blue with RGB values 135, 168, 237 and HSL 221°, 74%, 73%. It is a dark colour, so black text on it reaches 8.9:1 contrast (AAA for normal text). The nearest named colour is Cornflower blue.

Colour values

#87A8ED#87A8ED
HEX#87A8ED
RGBrgb(135, 168, 237)
RGB (0–1)0.5294, 0.6588, 0.9294
RGB percentages52.9%, 65.9%, 92.9%
HSLhsl(220.6, 73.9%, 72.9%)
HSV / HSBhsv(220.6, 43%, 92.9%)
CMYK43%, 29.1%, 0%, 7.1%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer8,890,605
CSS custom property--colour: #87A8ED;

Brightness & contrast

Relative luminance0.39271WCAG 2.x, 0 is black and 1 is white
Perceived brightness168.6 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 8.85:1
Contrast with white2.37:1WCAG normal text: Fail
Contrast with black8.85:1WCAG normal text: AAA
Greyscale equivalent#A6A6A6
Inverted#785712

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#8FADF0no red cones; affects about 1% of men; ΔE 2.4 from the original
Deuteranopia#85A4EBno green cones; the most common form, about 1% of men; ΔE 2 from the original
Tritanopia#62B6C0no blue cones; rare, and affects men and women equally; ΔE 38.4 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text2.37:1WCAG large text: Fail
Contrast with black, large text8.85:1WCAG large text: AAA

Named colours

Cornflower blue · ΔE 13.5Steel blue · ΔE 20.4Light skyblue · ΔE 22.4Deep skyblue · ΔE 24.6Light steelblue · ΔE 25.9Dodgerblue · ΔE 27.2
Nearest named CSS colourCornflower blue (#6495ED)ΔE 13.53, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#EDCC87
Analogous#87DBED, #9987ED
Triadic#ED87A8, #A8ED87
Split complementary#ED9987, #DBED87
Tetradic#ED87DB, #EDCC87, #87ED99

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FFFFFF
Lighter +30%#FFFFFF
Lighter +20%#E0E8FA
Lighter +10%#B3C8F4
Darker −10%#5B88E6
Darker −20%#2E68E0
Darker −30%#1D51BE
Darker −40%#163E92
More saturated +25%#76A2FE
Less saturated −25%#98AEDC

Channel breakdown

R135
G168
B237
Red135 (52.9%)
Green168 (65.9%)
Blue237 (92.9%)
Hue220.59°
Saturation (HSL)73.91%
Lightness72.94%
Dominant channelBlue
Hex per channelR 87 · G A8 · B ED

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Every value on this page was computed from “87a8ed” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.