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Recognised as Colour

#A556EC

  • #A556EC
  • Violet
  • Dark
  • Nearest: Dark orchid

#A556EC is a violet with RGB values 165, 86, 236 and HSL 272°, 80%, 63%. It is a dark colour, so black text on it reaches 5.1:1 contrast (AA for normal text). The nearest named colour is Dark orchid.

Colour values

#A556EC#A556EC
HEX#A556EC
RGBrgb(165, 86, 236)
RGB (0–1)0.6471, 0.3373, 0.9255
RGB percentages64.7%, 33.7%, 92.5%
HSLhsl(271.6, 79.8%, 63.1%)
HSV / HSBhsv(271.6, 63.6%, 92.5%)
CMYK30.1%, 63.6%, 0%, 7.5%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer10,835,692
CSS custom property--colour: #A556EC;

Brightness & contrast

Relative luminance0.20711WCAG 2.x, 0 is black and 1 is white
Perceived brightness137.2 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 5.14:1
Contrast with white4.08:1WCAG normal text: Fail
Contrast with black5.14:1WCAG normal text: AA
Greyscale equivalent#727272
Inverted#5AA913

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#007BF1no red cones; affects about 1% of men; ΔE 42.7 from the original
Deuteranopia#2E7EE9no green cones; the most common form, about 1% of men; ΔE 45.2 from the original
Tritanopia#98769Ano blue cones; rare, and affects men and women equally; ΔE 62.8 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text4.08:1WCAG large text: AA
Contrast with black, large text5.14:1WCAG large text: AAA

Named colours

Dark orchid · ΔE 11.5Medium orchid · ΔE 15.9Medium slateblue · ΔE 18.1Blue violet · ΔE 18.9Dark violet · ΔE 22.8Slate blue · ΔE 24.8
Nearest named CSS colourDark orchid (#9932CC)ΔE 11.54, a distinctly different colour
Hue familyviolet
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#9DEC56
Analogous#5A56EC, #EC56E8
Triadic#ECA556, #56ECA5
Split complementary#E8EC56, #56EC5A
Tetradic#EC5A56, #9DEC56, #56E8EC

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FFFFFF
Lighter +30%#EEE0FB
Lighter +20%#D6B2F6
Lighter +10%#BD84F1
Darker −10%#8D28E7
Darker −20%#7316C6
Darker −30%#581198
Darker −40%#3E0C6A
More saturated +25%#A643FF
Less saturated −25%#A46ED4

Channel breakdown

R165
G86
B236
Red165 (64.7%)
Green86 (33.7%)
Blue236 (92.5%)
Hue271.6°
Saturation (HSL)79.79%
Lightness63.14%
Dominant channelBlue
Hex per channelR A5 · G 56 · B EC

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Every value on this page was computed from “a556ec” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.