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Colour

#660C89

  • #660C89
  • Violet
  • Dark
  • Nearest: Indigo

#660C89 is a violet with RGB values 102, 12, 137 and HSL 283°, 84%, 29%. It is a dark colour, so white text on it reaches 10.6:1 contrast (AAA for normal text). The nearest named colour is Indigo.

Colour values

#660C89#660C89
HEX#660C89
RGBrgb(102, 12, 137)
RGB (0–1)0.4, 0.0471, 0.5373
RGB percentages40%, 4.7%, 53.7%
HSLhsl(283.2, 83.9%, 29.2%)
HSV / HSBhsv(283.2, 91.2%, 53.7%)
CMYK25.5%, 91.2%, 0%, 46.3%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer6,687,881
CSS custom property--colour: #660C89;

Brightness & contrast

Relative luminance0.04894WCAG 2.x, 0 is black and 1 is white
Perceived brightness73 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 10.61:1
Contrast with white10.61:1WCAG normal text: AAA
Contrast with black1.98:1WCAG normal text: Fail
Greyscale equivalent#282828
Inverted#99F376

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#003A8Cno red cones; affects about 1% of men; ΔE 35.6 from the original
Deuteranopia#004087no green cones; the most common form, about 1% of men; ΔE 42.1 from the original
Tritanopia#62304Fno blue cones; rare, and affects men and women equally; ΔE 47.5 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text10.61:1WCAG large text: AAA
Contrast with black, large text1.98:1WCAG large text: Fail

Named colours

Indigo · ΔE 8.5Purple · ΔE 12.7Rebecca purple · ΔE 13Dark magenta · ΔE 13.8Navy · ΔE 22.6Dark orchid · ΔE 23.7
Nearest named CSS colourIndigo (#4B0082)ΔE 8.49, clearly different but related
Hue familyviolet
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#2F890C
Analogous#280C89, #890C6D
Triadic#89660C, #0C8966
Split complementary#6E890C, #0C8927
Tetradic#89270C, #2F890C, #0C6D89

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#CD6FF2
Lighter +30%#BD40EE
Lighter +20%#AC14E7
Lighter +10%#8910B8
Darker −10%#43085A
Darker −20%#20042B
Darker −30%#000000
Darker −40%#000000
More saturated +25%#6B0095
Less saturated −25%#5E1F76

Channel breakdown

R102
G12
B137
Red102 (40%)
Green12 (4.7%)
Blue137 (53.7%)
Hue283.2°
Saturation (HSL)83.89%
Lightness29.22%
Dominant channelBlue
Hex per channelR 66 · G 0C · B 89

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Every value on this page was computed from “660c89” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.