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Recognised as Colour

#A648DE

  • #A648DE
  • Violet
  • Dark
  • Nearest: Dark orchid

#A648DE is a violet with RGB values 166, 72, 222 and HSL 278°, 69%, 58%. It is a dark colour, so black text on it reaches 4.6:1 contrast (AA for normal text). The nearest named colour is Dark orchid.

Colour values

#A648DE#A648DE
HEX#A648DE
RGBrgb(166, 72, 222)
RGB (0–1)0.651, 0.2824, 0.8706
RGB percentages65.1%, 28.2%, 87.1%
HSLhsl(277.6, 69.4%, 57.6%)
HSV / HSBhsv(277.6, 67.6%, 87.1%)
CMYK25.2%, 67.6%, 0%, 12.9%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer10,897,630
CSS custom property--colour: #A648DE;

Brightness & contrast

Relative luminance0.18016WCAG 2.x, 0 is black and 1 is white
Perceived brightness130 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 4.6:1
Contrast with white4.56:1WCAG normal text: AA
Contrast with black4.6:1WCAG normal text: AA
Greyscale equivalent#676767
Inverted#59B721

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#0072E2no red cones; affects about 1% of men; ΔE 46.5 from the original
Deuteranopia#3077DBno green cones; the most common form, about 1% of men; ΔE 49.5 from the original
Tritanopia#9E688Eno blue cones; rare, and affects men and women equally; ΔE 59.7 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text4.56:1WCAG large text: AAA
Contrast with black, large text4.6:1WCAG large text: AAA

Named colours

Dark orchid · ΔE 6.6Medium orchid · ΔE 14.1Blue violet · ΔE 17.7Dark violet · ΔE 19.6Medium slateblue · ΔE 22.3Slate blue · ΔE 27
Nearest named CSS colourDark orchid (#9932CC)ΔE 6.65, clearly different but related
Hue familyviolet
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#80DE48
Analogous#5B48DE, #DE48CB
Triadic#DEA648, #48DEA6
Split complementary#CBDE48, #48DE5B
Tetradic#DE5B48, #80DE48, #48CBDE

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FAF5FD
Lighter +30%#E5CAF5
Lighter +20%#D09EEE
Lighter +10%#BB73E6
Darker −10%#8F25CE
Darker −20%#711DA3
Darker −30%#531677
Darker −40%#350E4C
More saturated +25%#AD2DF9
Less saturated −25%#9F63C3

Channel breakdown

R166
G72
B222
Red166 (65.1%)
Green72 (28.2%)
Blue222 (87.1%)
Hue277.6°
Saturation (HSL)69.44%
Lightness57.65%
Dominant channelBlue
Hex per channelR A6 · G 48 · B DE

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Every value on this page was computed from “a648de” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.