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Recognised as Colour

#66436E

  • #66436E
  • Violet
  • Dark
  • Nearest: Dark slateblue

#66436E is a violet with RGB values 102, 67, 110 and HSL 289°, 24%, 35%. It is a dark colour, so white text on it reaches 8.1:1 contrast (AAA for normal text). The nearest named colour is Dark slateblue.

Colour values

#66436E#66436E
HEX#66436E
RGBrgb(102, 67, 110)
RGB (0–1)0.4, 0.2627, 0.4314
RGB percentages40%, 26.3%, 43.1%
HSLhsl(288.8, 24.3%, 34.7%)
HSV / HSBhsv(288.8, 39.1%, 43.1%)
CMYK7.3%, 39.1%, 0%, 56.9%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer6,701,934
CSS custom property--colour: #66436E;

Brightness & contrast

Relative luminance0.07965WCAG 2.x, 0 is black and 1 is white
Perceived brightness84.4 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 8.1:1
Contrast with white8.1:1WCAG normal text: AAA
Contrast with black2.59:1WCAG normal text: Fail
Greyscale equivalent#4E4E4E
Inverted#99BC91

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#3D4D70no red cones; affects about 1% of men; ΔE 19.6 from the original
Deuteranopia#46516Dno green cones; the most common form, about 1% of men; ΔE 20.2 from the original
Tritanopia#674853no blue cones; rare, and affects men and women equally; ΔE 19.5 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text8.1:1WCAG large text: AAA
Contrast with black, large text2.59:1WCAG large text: Fail

Named colours

Dark slateblue · ΔE 23.5Dim grey · ΔE 31.8Slate grey · ΔE 32.8Rebecca purple · ΔE 34.4Light slate grey · ΔE 34.6Steel blue · ΔE 35.6
Nearest named CSS colourDark slateblue (#483D8B)ΔE 23.53, a distinctly different colour
Hue familyviolet
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#4B6E43
Analogous#51436E, #6E4360
Triadic#6E6643, #436E66
Split complementary#616E43, #436E50
Tetradic#6E5043, #4B6E43, #43606E

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#C8AFCE
Lighter +30%#B38FBB
Lighter +20%#9D6FA8
Lighter +10%#83568E
Darker −10%#49304E
Darker −20%#2B1C2F
Darker −30%#0E090F
Darker −40%#000000
More saturated +25%#742D84
Less saturated −25%#595959

Channel breakdown

R102
G67
B110
Red102 (40%)
Green67 (26.3%)
Blue110 (43.1%)
Hue288.84°
Saturation (HSL)24.29%
Lightness34.71%
Dominant channelBlue
Hex per channelR 66 · G 43 · B 6E

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Every value on this page was computed from “66436e” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.