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Recognised as Colour

#C661EB

  • #C661EB
  • Violet
  • Dark
  • Nearest: Medium orchid

#C661EB is a violet with RGB values 198, 97, 235 and HSL 284°, 78%, 65%. It is a dark colour, so black text on it reaches 6.3:1 contrast (AA for normal text). The nearest named colour is Medium orchid.

Colour values

#C661EB#C661EB
HEX#C661EB
RGBrgb(198, 97, 235)
RGB (0–1)0.7765, 0.3804, 0.9216
RGB percentages77.6%, 38%, 92.2%
HSLhsl(283.9, 77.5%, 65.1%)
HSV / HSBhsv(283.9, 58.7%, 92.2%)
CMYK15.7%, 58.7%, 0%, 7.8%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer13,001,195
CSS custom property--colour: #C661EB;

Brightness & contrast

Relative luminance0.26553WCAG 2.x, 0 is black and 1 is white
Perceived brightness153.4 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 6.31:1
Contrast with white3.33:1WCAG normal text: Fail
Contrast with black6.31:1WCAG normal text: AA
Greyscale equivalent#808080
Inverted#399E14

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#3A87EFno red cones; affects about 1% of men; ΔE 49.7 from the original
Deuteranopia#6290E8no green cones; the most common form, about 1% of men; ΔE 51 from the original
Tritanopia#C4799Dno blue cones; rare, and affects men and women equally; ΔE 53.4 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text3.33:1WCAG large text: AA
Contrast with black, large text6.31:1WCAG large text: AAA

Named colours

Medium orchid · ΔE 7.7Dark orchid · ΔE 17.2Orchid · ΔE 20Violet · ΔE 20.2Medium slateblue · ΔE 24.4Medium purple · ΔE 24.8
Nearest named CSS colourMedium orchid (#BA55D3)ΔE 7.74, clearly different but related
Hue familyviolet
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#86EB61
Analogous#8161EB, #EB61CB
Triadic#EBC661, #61EBC6
Split complementary#CBEB61, #61EB81
Tetradic#EB8161, #86EB61, #61CBEB

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FFFFFF
Lighter +30%#F7E9FC
Lighter +20%#E7BCF6
Lighter +10%#D68EF1
Darker −10%#B634E5
Darker −20%#9C1ACC
Darker −30%#7A149F
Darker −40%#570E72
More saturated +25%#CF4DFF
Less saturated −25%#BC77D5

Channel breakdown

R198
G97
B235
Red198 (77.6%)
Green97 (38%)
Blue235 (92.2%)
Hue283.91°
Saturation (HSL)77.53%
Lightness65.1%
Dominant channelBlue
Hex per channelR C6 · G 61 · B EB

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Every value on this page was computed from “c661eb” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.