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Recognised as Colour

#5756FF

  • #5756FF
  • Blue
  • Dark
  • Nearest: Medium slateblue

#5756FF is a blue with RGB values 87, 86, 255 and HSL 240°, 100%, 67%. It is a dark colour, so white text on it reaches 5:1 contrast (AA for normal text). The nearest named colour is Medium slateblue.

Colour values

#5756FF#5756FF
HEX#5756FF
RGBrgb(87, 86, 255)
RGB (0–1)0.3412, 0.3373, 1
RGB percentages34.1%, 33.7%, 100%
HSLhsl(240.4, 100%, 66.9%)
HSV / HSBhsv(240.4, 66.3%, 100%)
CMYK65.9%, 66.3%, 0%, 0%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer5,723,903
CSS custom property--colour: #5756FF;

Brightness & contrast

Relative luminance0.15902WCAG 2.x, 0 is black and 1 is white
Perceived brightness118.4 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 5.02:1
Contrast with white5.02:1WCAG normal text: AA
Contrast with black4.18:1WCAG normal text: Fail
Greyscale equivalent#626262
Inverted#A8A900

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#0077FFno red cones; affects about 1% of men; ΔE 28.3 from the original
Deuteranopia#0067FCno green cones; the most common form, about 1% of men; ΔE 17.7 from the original
Tritanopia#0083A3no blue cones; rare, and affects men and women equally; ΔE 90.4 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text5.02:1WCAG large text: AAA
Contrast with black, large text4.18:1WCAG large text: AA

Named colours

Medium slateblue · ΔE 21.3Blue violet · ΔE 21.5Dark orchid · ΔE 27.8Medium blue · ΔE 28.4Dark violet · ΔE 29.7Slate blue · ΔE 29.8
Nearest named CSS colourMedium slateblue (#7B68EE)ΔE 21.34, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#FEFF56
Analogous#56AAFF, #AB56FF
Triadic#FF5756, #56FF57
Split complementary#FFAC56, #A9FF56
Tetradic#FF56AA, #FEFF56, #56FFAC

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FFFFFF
Lighter +30%#EFEFFF
Lighter +20%#BCBCFF
Lighter +10%#8A89FF
Darker −10%#2423FF
Darker −20%#0100EF
Darker −30%#0100BC
Darker −40%#010089
More saturated +25%#5756FF
Less saturated −25%#6C6BEA

Channel breakdown

R87
G86
B255
Red87 (34.1%)
Green86 (33.7%)
Blue255 (100%)
Hue240.36°
Saturation (HSL)100%
Lightness66.86%
Dominant channelBlue
Hex per channelR 57 · G 56 · B FF

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Every value on this page was computed from “5756ff” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.