Recognised as Colour

#66019D

#66019D
Violet
Dark
Nearest: Indigo

#66019D is a violet with RGB values 102, 1, 157 and HSL 279°, 99%, 31%. It is a dark colour, so white text on it reaches 10.2:1 contrast (AAA for normal text). The nearest named colour is Indigo.

Colour values

#66019D#66019D

HEX#66019D

RGBrgb(102, 1, 157)

RGB (0–1)0.4, 0.0039, 0.6157

RGB percentages40%, 0.4%, 61.6%

HSLhsl(278.8, 98.7%, 31%)

HSV / HSBhsv(278.8, 99.4%, 61.6%)

CMYK35%, 99.4%, 0%, 38.4%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer6,685,085

CSS custom property--colour: #66019D;

Brightness & contrast

Relative luminance0.05281WCAG 2.x, 0 is black and 1 is white

Perceived brightness77 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 10.21:1

Contrast with white10.21:1WCAG normal text: AAA

Contrast with black2.06:1WCAG normal text: Fail

Greyscale equivalent#222222

Inverted#99FE62

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#003EA1no red cones; affects about 1% of men; ΔE 35.7 from the original

Deuteranopia#00419Ano green cones; the most common form, about 1% of men; ΔE 41 from the original

Tritanopia#5C385Ano blue cones; rare, and affects men and women equally; ΔE 58.7 from the original

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

Contrast with white, large text10.21:1WCAG large text: AAA

Contrast with black, large text2.06:1WCAG large text: Fail

Named colours

Indigo · ΔE 12.2 Dark orchid · ΔE 16.7 Dark blue · ΔE 19.1 Navy · ΔE 20.4 Dark magenta · ΔE 20.4 Rebecca purple · ΔE 21.4

Nearest named CSS colourIndigo (#4B0082)ΔE 12.18, a distinctly different colour

Hue familyviolet

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#389D01

Analogous#18019D, #9D0186

Triadic#9D6601, #019D66

Split complementary#869D01, #019D18

Tetradic#9D1801, #389D01, #01869D

Tints, shades & saturation

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

Lighter +40%#CB6CFE

Lighter +30%#B839FE

Lighter +20%#A607FD

Lighter +10%#8701D0

Darker −10%#45016A

Darker −20%#240038

Darker −30%#030005

Darker −40%#000000

More saturated +25%#66009E

Less saturated −25%#601589

Channel breakdown

R102

B157

Red102 (40%)

Green1 (0.4%)

Blue157 (61.6%)

Hue278.85°

Saturation (HSL)98.73%

Lightness30.98%

Dominant channelBlue

Hex per channelR 66 · G 01 · B 9D

Keep nerding

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#66019D

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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