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Recognised as Colour

#A337DE

  • #A337DE
  • Violet
  • Dark
  • Nearest: Dark orchid

#A337DE is a violet with RGB values 163, 55, 222 and HSL 279°, 72%, 54%. It is a dark colour, so white text on it reaches 5:1 contrast (AA for normal text). The nearest named colour is Dark orchid.

Colour values

#A337DE#A337DE
HEX#A337DE
RGBrgb(163, 55, 222)
RGB (0–1)0.6392, 0.2157, 0.8706
RGB percentages63.9%, 21.6%, 87.1%
HSLhsl(278.8, 71.7%, 54.3%)
HSV / HSBhsv(278.8, 75.2%, 87.1%)
CMYK26.6%, 75.2%, 0%, 12.9%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer10,696,670
CSS custom property--colour: #A337DE;

Brightness & contrast

Relative luminance0.15793WCAG 2.x, 0 is black and 1 is white
Perceived brightness123.8 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 5.05:1
Contrast with white5.05:1WCAG normal text: AA
Contrast with black4.16:1WCAG normal text: Fail
Greyscale equivalent#5A5A5A
Inverted#5CC821

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#006AE3no red cones; affects about 1% of men; ΔE 47.1 from the original
Deuteranopia#0370DBno green cones; the most common form, about 1% of men; ΔE 54 from the original
Tritanopia#9B5F89no blue cones; rare, and affects men and women equally; ΔE 64.4 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text5.05:1WCAG large text: AAA
Contrast with black, large text4.16:1WCAG large text: AA

Named colours

Dark orchid · ΔE 7Blue violet · ΔE 10.8Dark violet · ΔE 11.6Medium orchid · ΔE 21.3Medium slateblue · ΔE 28.3Dark magenta · ΔE 30.5
Nearest named CSS colourDark orchid (#9932CC)ΔE 6.97, clearly different but related
Hue familyviolet
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#72DE37
Analogous#4F37DE, #DE37C6
Triadic#DEA337, #37DEA3
Split complementary#C6DE37, #37DE4F
Tetradic#DE4F37, #72DE37, #37C6DE

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#F4E6FB
Lighter +30%#DFBAF4
Lighter +20%#CB8FEC
Lighter +10%#B763E5
Darker −10%#8920C2
Darker −20%#6A1996
Darker −30%#4B126A
Darker −40%#2C0A3F
More saturated +25%#AC1AFB
Less saturated −25%#9A54C1

Channel breakdown

R163
G55
B222
Red163 (63.9%)
Green55 (21.6%)
Blue222 (87.1%)
Hue278.8°
Saturation (HSL)71.67%
Lightness54.31%
Dominant channelBlue
Hex per channelR A3 · G 37 · B DE

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Every value on this page was computed from “a337de” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.