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Colour

#587EC8

  • #587EC8
  • Blue
  • Dark
  • Nearest: Cornflower blue

#587EC8 is a blue with RGB values 88, 126, 200 and HSL 220°, 50%, 56%. It is a dark colour, so black text on it reaches 5.2:1 contrast (AA for normal text). The nearest named colour is Cornflower blue.

Colour values

#587EC8#587EC8
HEX#587EC8
RGBrgb(88, 126, 200)
RGB (0–1)0.3451, 0.4941, 0.7843
RGB percentages34.5%, 49.4%, 78.4%
HSLhsl(219.6, 50.5%, 56.5%)
HSV / HSBhsv(219.6, 56%, 78.4%)
CMYK56%, 37%, 0%, 21.6%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer5,799,624
CSS custom property--colour: #587EC8;

Brightness & contrast

Relative luminance0.21167WCAG 2.x, 0 is black and 1 is white
Perceived brightness127.3 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 5.23:1
Contrast with white4.01:1WCAG normal text: Fail
Contrast with black5.23:1WCAG normal text: AA
Greyscale equivalent#7B7B7B
Inverted#A78137

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#6084CBno red cones; affects about 1% of men; ΔE 3.1 from the original
Deuteranopia#527AC6no green cones; the most common form, about 1% of men; ΔE 2.1 from the original
Tritanopia#0B8E99no blue cones; rare, and affects men and women equally; ΔE 45.1 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text4.01:1WCAG large text: AA
Contrast with black, large text5.23:1WCAG large text: AAA

Named colours

Cornflower blue · ΔE 11.1Steel blue · ΔE 16.4Dodgerblue · ΔE 21.8Dark slateblue · ΔE 28.3Medium purple · ΔE 29.3Royal blue · ΔE 29.3
Nearest named CSS colourCornflower blue (#6495ED)ΔE 11.12, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#C8A258
Analogous#58B6C8, #6A58C8
Triadic#C8587E, #7EC858
Split complementary#C86A58, #B6C858
Tetradic#C858B6, #C8A258, #58C86A

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#F1F5FB
Lighter +30%#CBD7EE
Lighter +20%#A5B9E1
Lighter +10%#7E9CD5
Darker −10%#3B63B2
Darker −20%#2E4E8C
Darker −30%#213966
Darker −40%#15233F
More saturated +25%#3C75E4
Less saturated −25%#7487AC

Channel breakdown

R88
G126
B200
Red88 (34.5%)
Green126 (49.4%)
Blue200 (78.4%)
Hue219.64°
Saturation (HSL)50.45%
Lightness56.47%
Dominant channelBlue
Hex per channelR 58 · G 7E · B C8

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Every value on this page was computed from “587ec8” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.