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Colour

#A537FB

  • #A537FB
  • Violet
  • Dark
  • Nearest: Blue violet

#A537FB is a violet with RGB values 165, 55, 251 and HSL 274°, 96%, 60%. It is a dark colour, so white text on it reaches 4.6:1 contrast (AA for normal text). The nearest named colour is Blue violet.

Colour values

#A537FB#A537FB
HEX#A537FB
RGBrgb(165, 55, 251)
RGB (0–1)0.6471, 0.2157, 0.9843
RGB percentages64.7%, 21.6%, 98.4%
HSLhsl(273.7, 96.1%, 60%)
HSV / HSBhsv(273.7, 78.1%, 98.4%)
CMYK34.3%, 78.1%, 0%, 1.6%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer10,827,771
CSS custom property--colour: #A537FB;

Brightness & contrast

Relative luminance0.17697WCAG 2.x, 0 is black and 1 is white
Perceived brightness130.8 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 4.63:1
Contrast with white4.63:1WCAG normal text: AA
Contrast with black4.54:1WCAG normal text: AA
Greyscale equivalent#5D5D5D
Inverted#5AC804

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#0072FFno red cones; affects about 1% of men; ΔE 47.7 from the original
Deuteranopia#0075F7no green cones; the most common form, about 1% of men; ΔE 52.9 from the original
Tritanopia#946B9Ano blue cones; rare, and affects men and women equally; ΔE 77.1 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text4.63:1WCAG large text: AAA
Contrast with black, large text4.54:1WCAG large text: AAA

Named colours

Blue violet · ΔE 9.2Dark violet · ΔE 11.9Dark orchid · ΔE 20.8Medium blue · ΔE 29.1Fuchsia · ΔE 30.5Magenta · ΔE 30.5
Nearest named CSS colourBlue violet (#8A2BE2)ΔE 9.16, clearly different but related
Hue familyviolet
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#8DFB37
Analogous#4337FB, #FB37EF
Triadic#FBA537, #37FBA5
Split complementary#EFFB37, #37FB43
Tetradic#FB4337, #8DFB37, #37EFFB

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FFFFFF
Lighter +30%#E9CDFE
Lighter +20%#D29BFD
Lighter +10%#BC69FC
Darker −10%#8F05FA
Darker −20%#7204C8
Darker −30%#560396
Darker −40%#390264
More saturated +25%#A533FF
Less saturated −25%#A251E2

Channel breakdown

R165
G55
B251
Red165 (64.7%)
Green55 (21.6%)
Blue251 (98.4%)
Hue273.67°
Saturation (HSL)96.08%
Lightness60%
Dominant channelBlue
Hex per channelR A5 · G 37 · B FB

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Every value on this page was computed from “a537fb” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.