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Recognised as Colour

#665A6C

  • #665A6C
  • Violet
  • Dark
  • Nearest: Dim grey

#665A6C is a violet with RGB values 102, 90, 108 and HSL 280°, 9%, 39%. It is a dark colour, so white text on it reaches 6.5:1 contrast (AA for normal text). The nearest named colour is Dim grey.

Colour values

#665A6C#665A6C
HEX#665A6C
RGBrgb(102, 90, 108)
RGB (0–1)0.4, 0.3529, 0.4235
RGB percentages40%, 35.3%, 42.4%
HSLhsl(280, 9.1%, 38.8%)
HSV / HSBhsv(280, 16.7%, 42.4%)
CMYK5.6%, 16.7%, 0%, 57.6%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer6,707,820
CSS custom property--colour: #665A6C;

Brightness & contrast

Relative luminance0.1122WCAG 2.x, 0 is black and 1 is white
Perceived brightness95.9 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 6.47:1
Contrast with white6.47:1WCAG normal text: AA
Contrast with black3.24:1WCAG normal text: Fail
Greyscale equivalent#5E5E5E
Inverted#99A593

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#585D6Dno red cones; affects about 1% of men; ΔE 6.9 from the original
Deuteranopia#5A5E6Bno green cones; the most common form, about 1% of men; ΔE 7.2 from the original
Tritanopia#665C60no blue cones; rare, and affects men and women equally; ΔE 8.5 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text6.47:1WCAG large text: AAA
Contrast with black, large text3.24:1WCAG large text: AA

Named colours

Dim grey · ΔE 12.9Slate grey · ΔE 16.9Gray · ΔE 18.2Light slate grey · ΔE 19.5Dark slate grey · ΔE 22.6Rosy brown · ΔE 29.3
Nearest named CSS colourDim grey (#696969)ΔE 12.85, a distinctly different colour
Hue familyviolet
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#606C5A
Analogous#5D5A6C, #6C5A69
Triadic#6C665A, #5A6C66
Split complementary#696C5A, #5A6C5D
Tetradic#6C5D5A, #606C5A, #5A696C

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#CBC4CE
Lighter +30%#B2A8B7
Lighter +20%#998CA0
Lighter +10%#807188
Darker −10%#4C4350
Darker −20%#312C34
Darker −30%#171419
Darker −40%#000000
More saturated +25%#6E4185
Less saturated −25%#636363

Channel breakdown

R102
G90
B108
Red102 (40%)
Green90 (35.3%)
Blue108 (42.4%)
Hue280°
Saturation (HSL)9.09%
Lightness38.82%
Dominant channelBlue
Hex per channelR 66 · G 5A · B 6C

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Every value on this page was computed from “665a6c” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.