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Recognised as Colour

#4587ED

  • #4587ED
  • Blue
  • Dark
  • Nearest: Dodgerblue

#4587ED is a blue with RGB values 69, 135, 237 and HSL 216°, 82%, 60%. It is a dark colour, so black text on it reaches 5.9:1 contrast (AA for normal text). The nearest named colour is Dodgerblue.

Colour values

#4587ED#4587ED
HEX#4587ED
RGBrgb(69, 135, 237)
RGB (0–1)0.2706, 0.5294, 0.9294
RGB percentages27.1%, 52.9%, 92.9%
HSLhsl(216.4, 82.4%, 60%)
HSV / HSBhsv(216.4, 70.9%, 92.9%)
CMYK70.9%, 43%, 0%, 7.1%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer4,556,781
CSS custom property--colour: #4587ED;

Brightness & contrast

Relative luminance0.24708WCAG 2.x, 0 is black and 1 is white
Perceived brightness136.1 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 5.94:1
Contrast with white3.53:1WCAG normal text: Fail
Contrast with black5.94:1WCAG normal text: AA
Greyscale equivalent#808080
Inverted#BA7812

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#5591F1no red cones; affects about 1% of men; ΔE 5.5 from the original
Deuteranopia#3681EBno green cones; the most common form, about 1% of men; ΔE 3.6 from the original
Tritanopia#009FAEno blue cones; rare, and affects men and women equally; ΔE 57.6 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text3.53:1WCAG large text: AA
Contrast with black, large text5.94:1WCAG large text: AAA

Named colours

Dodgerblue · ΔE 6.9Cornflower blue · ΔE 10.2Royal blue · ΔE 18.1Medium purple · ΔE 25.5Slate blue · ΔE 26.2Medium slateblue · ΔE 30
Nearest named CSS colourDodgerblue (#1E90FF)ΔE 6.86, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#EDAB45
Analogous#45DBED, #5745ED
Triadic#ED4587, #87ED45
Split complementary#ED5745, #DBED45
Tetradic#ED45DB, #EDAB45, #45ED57

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FFFFFF
Lighter +30%#D1E1FB
Lighter +20%#A2C3F6
Lighter +10%#73A5F2
Darker −10%#1669E9
Darker −20%#1254BA
Darker −30%#0D3F8C
Darker −40%#092A5D
More saturated +25%#3383FF
Less saturated −25%#5E8CD3

Channel breakdown

R69
G135
B237
Red69 (27.1%)
Green135 (52.9%)
Blue237 (92.9%)
Hue216.43°
Saturation (HSL)82.35%
Lightness60%
Dominant channelBlue
Hex per channelR 45 · G 87 · B ED

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Every value on this page was computed from “4587ed” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.