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Colour

#661DDA

  • #661DDA
  • Violet
  • Dark
  • Nearest: Blue violet

#661DDA is a violet with RGB values 102, 29, 218 and HSL 263°, 77%, 48%. It is a dark colour, so white text on it reaches 7.6:1 contrast (AAA for normal text). The nearest named colour is Blue violet.

Colour values

#661DDA#661DDA
HEX#661DDA
RGBrgb(102, 29, 218)
RGB (0–1)0.4, 0.1137, 0.8549
RGB percentages40%, 11.4%, 85.5%
HSLhsl(263.2, 76.5%, 48.4%)
HSV / HSBhsv(263.2, 86.7%, 85.5%)
CMYK53.2%, 86.7%, 0%, 14.5%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer6,692,314
CSS custom property--colour: #661DDA;

Brightness & contrast

Relative luminance0.08765WCAG 2.x, 0 is black and 1 is white
Perceived brightness95 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 7.63:1
Contrast with white7.63:1WCAG normal text: AAA
Contrast with black2.75:1WCAG normal text: Fail
Greyscale equivalent#3A3A3A
Inverted#99E225

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#0057DFno red cones; affects about 1% of men; ΔE 36.6 from the original
Deuteranopia#004FD7no green cones; the most common form, about 1% of men; ΔE 34.2 from the original
Tritanopia#395B82no blue cones; rare, and affects men and women equally; ΔE 88 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text7.63:1WCAG large text: AAA
Contrast with black, large text2.75:1WCAG large text: Fail

Named colours

Blue violet · ΔE 9.5Dark violet · ΔE 14.3Medium blue · ΔE 14.7Dark orchid · ΔE 22.8Blue · ΔE 29Dark blue · ΔE 30
Nearest named CSS colourBlue violet (#8A2BE2)ΔE 9.5, clearly different but related
Hue familyviolet
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#91DA1D
Analogous#1D33DA, #C41DDA
Triadic#DA661D, #1DDA66
Split complementary#DAC41D, #33DA1D
Tetradic#DA1D33, #91DA1D, #1DDAC4

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#DCCBF8
Lighter +30%#BE9EF2
Lighter +20%#A071EC
Lighter +10%#8344E6
Darker −10%#5117AD
Darker −20%#3C1180
Darker −30%#270B53
Darker −40%#120526
More saturated +25%#5F00F7
Less saturated −25%#6D3CBB

Channel breakdown

R102
G29
B218
Red102 (40%)
Green29 (11.4%)
Blue218 (85.5%)
Hue263.17°
Saturation (HSL)76.52%
Lightness48.43%
Dominant channelBlue
Hex per channelR 66 · G 1D · B DA

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Every value on this page was computed from “661dda” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.