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Recognised as Colour

#4087FC

  • #4087FC
  • Blue
  • Dark
  • Nearest: Dodgerblue

#4087FC is a blue with RGB values 64, 135, 252 and HSL 217°, 97%, 62%. It is a dark colour, so black text on it reaches 6.1:1 contrast (AA for normal text). The nearest named colour is Dodgerblue.

Colour values

#4087FC#4087FC
HEX#4087FC
RGBrgb(64, 135, 252)
RGB (0–1)0.251, 0.5294, 0.9882
RGB percentages25.1%, 52.9%, 98.8%
HSLhsl(217.3, 96.9%, 62%)
HSV / HSBhsv(217.3, 74.6%, 98.8%)
CMYK74.6%, 46.4%, 0%, 1.2%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer4,229,116
CSS custom property--colour: #4087FC;

Brightness & contrast

Relative luminance0.25446WCAG 2.x, 0 is black and 1 is white
Perceived brightness138.4 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 6.09:1
Contrast with white3.45:1WCAG normal text: Fail
Contrast with black6.09:1WCAG normal text: AA
Greyscale equivalent#808080
Inverted#BF7803

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#4793FFno red cones; affects about 1% of men; ΔE 7.7 from the original
Deuteranopia#1182FAno green cones; the most common form, about 1% of men; ΔE 4 from the original
Tritanopia#00A3B5no blue cones; rare, and affects men and women equally; ΔE 64.6 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text3.45:1WCAG large text: AA
Contrast with black, large text6.09:1WCAG large text: AAA

Named colours

Dodgerblue · ΔE 7.6Royal blue · ΔE 13.3Cornflower blue · ΔE 17.9Slate blue · ΔE 23.5Medium slateblue · ΔE 24.5Medium purple · ΔE 24.6
Nearest named CSS colourDodgerblue (#1E90FF)ΔE 7.61, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#FCB540
Analogous#40E5FC, #5740FC
Triadic#FC4087, #87FC40
Split complementary#FC5740, #E5FC40
Tetradic#FC40E5, #FCB540, #40FC57

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FFFFFF
Lighter +30%#D7E6FE
Lighter +20%#A4C6FE
Lighter +10%#72A7FD
Darker −10%#0E67FB
Darker −20%#0352D3
Darker −30%#033EA0
Darker −40%#022B6E
More saturated +25%#3D86FF
Less saturated −25%#588DE4

Channel breakdown

R64
G135
B252
Red64 (25.1%)
Green135 (52.9%)
Blue252 (98.8%)
Hue217.34°
Saturation (HSL)96.91%
Lightness61.96%
Dominant channelBlue
Hex per channelR 40 · G 87 · B FC

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Every value on this page was computed from “4087fc” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.