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Recognised as Colour

#A55AC0

  • #A55AC0
  • Violet
  • Dark
  • Nearest: Medium orchid

#A55AC0 is a violet with RGB values 165, 90, 192 and HSL 284°, 45%, 55%. It is a dark colour, so black text on it reaches 4.8:1 contrast (AA for normal text). The nearest named colour is Medium orchid.

Colour values

#A55AC0#A55AC0
HEX#A55AC0
RGBrgb(165, 90, 192)
RGB (0–1)0.6471, 0.3529, 0.7529
RGB percentages64.7%, 35.3%, 75.3%
HSLhsl(284.1, 44.7%, 55.3%)
HSV / HSBhsv(284.1, 53.1%, 75.3%)
CMYK14.1%, 53.1%, 0%, 24.7%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer10,836,672
CSS custom property--colour: #A55AC0;

Brightness & contrast

Relative luminance0.19117WCAG 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 backgroundBlackcontrast 4.82:1
Contrast with white4.35:1WCAG normal text: Fail
Contrast with black4.82:1WCAG normal text: AA
Greyscale equivalent#717171
Inverted#5AA53F

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#4374C3no red cones; affects about 1% of men; ΔE 38.8 from the original
Deuteranopia#5C7BBDno green cones; the most common form, about 1% of men; ΔE 39.7 from the original
Tritanopia#A46A85no blue cones; rare, and affects men and women equally; ΔE 41.2 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text4.35:1WCAG large text: AA
Contrast with black, large text4.82:1WCAG large text: AAA

Named colours

Medium orchid · ΔE 13.6Medium purple · ΔE 14.4Orchid · ΔE 15.9Rebecca purple · ΔE 19.4Slate blue · ΔE 20.8Violet · ΔE 21.4
Nearest named CSS colourMedium orchid (#BA55D3)ΔE 13.57, a distinctly different colour
Hue familyviolet
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#75C05A
Analogous#725AC0, #C05AA8
Triadic#C0A55A, #5AC0A5
Split complementary#A8C05A, #5AC072
Tetradic#C0725A, #75C05A, #5AA8C0

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#F6EEF8
Lighter +30%#E1C9EA
Lighter +20%#CDA4DC
Lighter +10%#B97FCE
Darker −10%#8C40A7
Darker −20%#6D3282
Darker −30%#4E245D
Darker −40%#2F1638
More saturated +25%#B23EDD
Less saturated −25%#9877A3

Channel breakdown

R165
G90
B192
Red165 (64.7%)
Green90 (35.3%)
Blue192 (75.3%)
Hue284.12°
Saturation (HSL)44.74%
Lightness55.29%
Dominant channelBlue
Hex per channelR A5 · G 5A · B C0

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Every value on this page was computed from “a55ac0” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.