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Recognised as Colour

#A55BC1

  • #A55BC1
  • Violet
  • Dark
  • Nearest: Medium orchid

#A55BC1 is a violet with RGB values 165, 91, 193 and HSL 284°, 45%, 56%. It is a dark colour, so black text on it reaches 4.9:1 contrast (AA for normal text). The nearest named colour is Medium orchid.

Colour values

#A55BC1#A55BC1
HEX#A55BC1
RGBrgb(165, 91, 193)
RGB (0–1)0.6471, 0.3569, 0.7569
RGB percentages64.7%, 35.7%, 75.7%
HSLhsl(283.5, 45.1%, 55.7%)
HSV / HSBhsv(283.5, 52.8%, 75.7%)
CMYK14.5%, 52.8%, 0%, 24.3%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer10,836,929
CSS custom property--colour: #A55BC1;

Brightness & contrast

Relative luminance0.19332WCAG 2.x, 0 is black and 1 is white
Perceived brightness131.3 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 4.87:1
Contrast with white4.32:1WCAG normal text: Fail
Contrast with black4.87:1WCAG normal text: AA
Greyscale equivalent#727272
Inverted#5AA43E

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#4475C4no red cones; affects about 1% of men; ΔE 38.5 from the original
Deuteranopia#5C7CBEno green cones; the most common form, about 1% of men; ΔE 39.7 from the original
Tritanopia#A46B85no blue cones; rare, and affects men and women equally; ΔE 41.8 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text4.32:1WCAG large text: AA
Contrast with black, large text4.87:1WCAG large text: AAA

Named colours

Medium orchid · ΔE 13.7Medium purple · ΔE 14Orchid · ΔE 15.9Rebecca purple · ΔE 19.5Slate blue · ΔE 20.6Violet · ΔE 21.3
Nearest named CSS colourMedium orchid (#BA55D3)ΔE 13.71, a distinctly different colour
Hue familyviolet
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#77C15B
Analogous#725BC1, #C15BAA
Triadic#C1A55B, #5BC1A5
Split complementary#AAC15B, #5BC172
Tetradic#C1725B, #77C15B, #5BAAC1

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#F6EFF9
Lighter +30%#E2CAEB
Lighter +20%#CEA5DD
Lighter +10%#B980CF
Darker −10%#8C40A9
Darker −20%#6E3284
Darker −30%#4F245F
Darker −40%#30163A
More saturated +25%#B23FDD
Less saturated −25%#9877A5

Channel breakdown

R165
G91
B193
Red165 (64.7%)
Green91 (35.7%)
Blue193 (75.7%)
Hue283.53°
Saturation (HSL)45.13%
Lightness55.69%
Dominant channelBlue
Hex per channelR A5 · G 5B · B C1

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Every value on this page was computed from “a55bc1” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.