Recognised as Colour

#664E7D

#664E7D
Violet
Dark
Nearest: Dark slateblue

#664E7D is a violet with RGB values 102, 78, 125 and HSL 271°, 23%, 40%. It is a dark colour, so white text on it reaches 7.1:1 contrast (AAA for normal text). The nearest named colour is Dark slateblue.

Colour values

#664E7D#664E7D

HEX#664E7D

RGBrgb(102, 78, 125)

RGB (0–1)0.4, 0.3059, 0.4902

RGB percentages40%, 30.6%, 49%

HSLhsl(270.6, 23.2%, 39.8%)

HSV / HSBhsv(270.6, 37.6%, 49%)

CMYK18.4%, 37.6%, 0%, 51%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer6,704,765

CSS custom property--colour: #664E7D;

Brightness & contrast

Relative luminance0.09754WCAG 2.x, 0 is black and 1 is white

Perceived brightness92 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 7.12:1

Contrast with white7.12:1WCAG normal text: AAA

Contrast with black2.95:1WCAG normal text: Fail

Greyscale equivalent#565656

Inverted#99B182

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#44577Fno red cones; affects about 1% of men; ΔE 15.9 from the original

Deuteranopia#4A587Cno green cones; the most common form, about 1% of men; ΔE 15.6 from the original

Tritanopia#63555Fno blue cones; rare, and affects men and women equally; ΔE 22.8 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text7.12:1WCAG large text: AAA

Contrast with black, large text2.95:1WCAG large text: Fail

Named colours

Dark slateblue · ΔE 21.2 Slate grey · ΔE 29.7 Steel blue · ΔE 29.9 Dim grey · ΔE 31.2 Light slate grey · ΔE 31.2 Rebecca purple · ΔE 33.7

Nearest named CSS colourDark slateblue (#483D8B)ΔE 21.2, a distinctly different colour

Hue familyviolet

CSS keyword usableNo exact keyword

Colour harmonies

base +30°+90°+120°+180°+210°+240°+270°+330°

Complementary#657D4E

Analogous#4F4E7D, #7D4E7C

Triadic#7D664E, #4E7D66

Split complementary#7C7D4E, #4E7D4F

Tetradic#7D4F4E, #657D4E, #4E7C7D

Tints, shades & saturation

+40%+30%+20%+10%base -10%-20%-30%-40%

Lighter +40%#CCC0D7

Lighter +30%#B2A0C4

Lighter +20%#9981B0

Lighter +10%#80629C

Darker −10%#4C3A5E

Darker −20%#33273E

Darker −30%#19131F

Darker −40%#000000

More saturated +25%#673596

Less saturated −25%#666666

Channel breakdown

R102

G78

B125

Red102 (40%)

Green78 (30.6%)

Blue125 (49%)

Hue270.64°

Saturation (HSL)23.15%

Lightness39.8%

Dominant channelBlue

Hex per channelR 66 · G 4E · B 7D

Keep nerding

Every link below is a page Nerdulator can generate from what it already knows about this value.

#664E7D

Colour values

Brightness & contrast

Colour vision & accessibility

Named colours

Colour harmonies

Tints, shades & saturation

Channel breakdown

Keep nerding

Harmonies

Lighter and darker

Similar named colours

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