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Recognised as Colour

#C581E7

  • #C581E7
  • Violet
  • Dark
  • Nearest: Orchid

#C581E7 is a violet with RGB values 197, 129, 231 and HSL 280°, 68%, 71%. It is a dark colour, so black text on it reaches 7.7:1 contrast (AAA for normal text). The nearest named colour is Orchid.

Colour values

#C581E7#C581E7
HEX#C581E7
RGBrgb(197, 129, 231)
RGB (0–1)0.7725, 0.5059, 0.9059
RGB percentages77.3%, 50.6%, 90.6%
HSLhsl(280, 68%, 70.6%)
HSV / HSBhsv(280, 44.2%, 90.6%)
CMYK14.7%, 44.2%, 0%, 9.4%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer12,943,847
CSS custom property--colour: #C581E7;

Brightness & contrast

Relative luminance0.3334WCAG 2.x, 0 is black and 1 is white
Perceived brightness165.7 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 7.67:1
Contrast with white2.74:1WCAG normal text: Fail
Contrast with black7.67:1WCAG normal text: AAA
Greyscale equivalent#979797
Inverted#3A7E18

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#6D98EBno red cones; affects about 1% of men; ΔE 35.4 from the original
Deuteranopia#7F9EE4no green cones; the most common form, about 1% of men; ΔE 36.6 from the original
Tritanopia#C290A9no blue cones; rare, and affects men and women equally; ΔE 41.5 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text2.74:1WCAG large text: Fail
Contrast with black, large text7.67:1WCAG large text: AAA

Named colours

Orchid · ΔE 13.6Violet · ΔE 14.4Medium purple · ΔE 14.6Medium orchid · ΔE 19.6Plum · ΔE 24.3Slate blue · ΔE 26.3
Nearest named CSS colourOrchid (#DA70D6)ΔE 13.56, a distinctly different colour
Hue familyviolet
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#A3E781
Analogous#9281E7, #E781D6
Triadic#E7C581, #81E7C5
Split complementary#D6E781, #81E792
Tetradic#E79281, #A3E781, #81D6E7

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FFFFFF
Lighter +30%#FFFFFF
Lighter +20%#ECD7F7
Lighter +10%#D9ACEF
Darker −10%#B156DF
Darker −20%#9E2BD7
Darker −30%#7F21AE
Darker −40%#601983
More saturated +25%#CB6EFA
Less saturated −25%#BF94D4

Channel breakdown

R197
G129
B231
Red197 (77.3%)
Green129 (50.6%)
Blue231 (90.6%)
Hue280°
Saturation (HSL)68%
Lightness70.59%
Dominant channelBlue
Hex per channelR C5 · G 81 · B E7

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Every value on this page was computed from “c581e7” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.