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Recognised as Colour

#A657D5

  • #A657D5
  • Violet
  • Dark
  • Nearest: Medium orchid

#A657D5 is a violet with RGB values 166, 87, 213 and HSL 278°, 60%, 59%. 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

#A657D5#A657D5
HEX#A657D5
RGBrgb(166, 87, 213)
RGB (0–1)0.651, 0.3412, 0.8353
RGB percentages65.1%, 34.1%, 83.5%
HSLhsl(277.6, 60%, 58.8%)
HSV / HSBhsv(277.6, 59.2%, 83.5%)
CMYK22.1%, 59.2%, 0%, 16.5%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer10,901,461
CSS custom property--colour: #A657D5;

Brightness & contrast

Relative luminance0.19727WCAG 2.x, 0 is black and 1 is white
Perceived brightness133.6 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 4.95:1
Contrast with white4.25:1WCAG normal text: Fail
Contrast with black4.95:1WCAG normal text: AA
Greyscale equivalent#717171
Inverted#59A82A

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#2977D9no red cones; affects about 1% of men; ΔE 42.1 from the original
Deuteranopia#4B7CD2no green cones; the most common form, about 1% of men; ΔE 43.1 from the original
Tritanopia#A06E8Eno blue cones; rare, and affects men and women equally; ΔE 51.3 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text4.25:1WCAG large text: AA
Contrast with black, large text4.95:1WCAG large text: AAA

Named colours

Medium orchid · ΔE 7.5Dark orchid · ΔE 16.2Medium purple · ΔE 17.3Medium slateblue · ΔE 18.3Slate blue · ΔE 19.5Orchid · ΔE 21
Nearest named CSS colourMedium orchid (#BA55D3)ΔE 7.46, clearly different but related
Hue familyviolet
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#86D557
Analogous#6757D5, #D557C5
Triadic#D5A657, #57D5A6
Split complementary#C5D557, #57D567
Tetradic#D56757, #86D557, #57C5D5

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FCFAFE
Lighter +30%#E7D1F4
Lighter +20%#D1A9E9
Lighter +10%#BC80DF
Darker −10%#8F32C7
Darker −20%#72289E
Darker −30%#551D76
Darker −40%#37134D
More saturated +25%#AD3DEF
Less saturated −25%#9F71BB

Channel breakdown

R166
G87
B213
Red166 (65.1%)
Green87 (34.1%)
Blue213 (83.5%)
Hue277.62°
Saturation (HSL)60%
Lightness58.82%
Dominant channelBlue
Hex per channelR A6 · G 57 · B D5

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Every value on this page was computed from “a657d5” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.