Colour

#66275B

#66275B
Magenta
Dark
Nearest: Dark slateblue

#66275B is a magenta with RGB values 102, 39, 91 and HSL 310°, 45%, 28%. It is a dark colour, so white text on it reaches 10.5:1 contrast (AAA for normal text). The nearest named colour is Dark slateblue.

Colour values

#66275B#66275B

HEX#66275B

RGBrgb(102, 39, 91)

RGB (0–1)0.4, 0.1529, 0.3569

RGB percentages40%, 15.3%, 35.7%

HSLhsl(310.5, 44.7%, 27.6%)

HSV / HSBhsv(310.5, 61.8%, 40%)

CMYK0%, 61.8%, 10.8%, 60%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer6,694,747

CSS custom property--colour: #66275B;

Brightness & contrast

Relative luminance0.05031WCAG 2.x, 0 is black and 1 is white

Perceived brightness70.3 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 10.47:1

Contrast with white10.47:1WCAG normal text: AAA

Contrast with black2.01:1WCAG normal text: Fail

Greyscale equivalent#383838

Inverted#99D8A4

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#27395Dno red cones; affects about 1% of men; ΔE 31.3 from the original

Deuteranopia#3A4359no green cones; the most common form, about 1% of men; ΔE 33.3 from the original

Tritanopia#6B2B3Dno blue cones; rare, and affects men and women equally; ΔE 21.2 from the original

Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning

Contrast with white, large text10.47:1WCAG large text: AAA

Contrast with black, large text2.01:1WCAG large text: Fail

Named colours

Dark slateblue · ΔE 26.4 Purple · ΔE 30.3 Rebecca purple · ΔE 31 Midnight blue · ΔE 33.9 Dark magenta · ΔE 34.8 Pale violetred · ΔE 39.6

Nearest named CSS colourDark slateblue (#483D8B)ΔE 26.41, a distinctly different colour

Hue familymagenta

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#276632

Analogous#522766, #66273B

Triadic#5B6627, #275B66

Split complementary#3C6627, #276652

Tetradic#665227, #276632, #273B66

Tints, shades & saturation

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

Lighter +40%#D188C4

Lighter +30%#C363B2

Lighter +20%#B0439D

Lighter +10%#8B357C

Darker −10%#41193A

Darker −20%#1C0B19

Darker −30%#000000

Darker −40%#000000

More saturated +25%#781566

Less saturated −25%#543950

Channel breakdown

R102

G39

B91

Red102 (40%)

Green39 (15.3%)

Blue91 (35.7%)

Hue310.48°

Saturation (HSL)44.68%

Lightness27.65%

Dominant channelRed

Hex per channelR 66 · G 27 · B 5B

Keep nerding

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#66275B

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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