#663E9E#663E9E

#663E9E is a mid, vivid violet. Relative luminance 0.087; OKLCH L 46.0% C 0.150 H 299.7°. Best body text is #FFFFFF at 7.64:1 contrast (WCAG AA passes).

Color values

HEX	#663E9E
RGB	rgb(102, 62, 158)
HSL	hsl(265, 44%, 43%)
HSV	hsv(265, 61%, 62%)
CMYK	cmyk(35.4%, 60.8%, 0%, 38%)
CIE-LAB	lab(35.48, 38.17, -46.03)
CIE-LCH	lch(35.48, 59.80, 309.67°)
OKLab	oklab(46% 0.0744 -0.1306)
OKLCH	oklch(46% 0.15 299.7)
XYZ	xyz(13.3722, 8.7385, 33.3233)
Luminance	0.0874 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#663E9E #769E3E

analogous

#3E469E #663E9E #963E9E

triadic

#663E9E #9E663E #3E9E66

tetradic

#663E9E #9E3E46 #769E3E #3E9E96

square

#663E9E #9E3E46 #769E3E #3E9E96

split-complementary

#663E9E #9E963E #469E3E

monochromatic

#2D1C46 #4A2D72 #663E9E #845BBF #A587D0

Accessibility & contrast

On white

7.64

#663E9E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.75

#663E9E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #663E9E

7.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##663E9E	#FFFFFF	#000000	##FFFFFF
##663E9E	1.00	7.64	2.75	7.64
#FFFFFF	7.64	1.00	21.00	1.00
#000000	2.75	21.00	1.00	21.00
##FFFFFF	7.64	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0353A1

Deuteranopia (green-blind)

#1D539C

Tritanopia (blue-blind)

#5A5268

Achromatopsia (no color)

#535353

Design tokens & code

CSS

--color: #663e9e;
/* rgb */ color: rgb(102, 62, 158);
/* oklch */ color: oklch(46.0% 0.150 299.7);

Tailwind

colors: {
  custom: {
    50: '#9575bb',
    500: '#663e9e',
    950: '#000000',
  },
}

SCSS

$custom: #663e9e;
$custom-light: #9575bb;
$custom-dark: #000000;

JSON

{
  "hex": "#663e9e",
  "rgb": {
    "r": 102,
    "g": 62,
    "b": 158
  },
  "hsl": {
    "h": 265,
    "s": 43.636,
    "l": 43.137
  },
  "oklch": {
    "l": 0.46004,
    "c": 0.15033,
    "h": 299.7
  },
  "luminance": 0.08739
}

Semantic roles & 50–950 ramp

primary

#663E9E

secondary

#A1BA7E

accent

#D3549E

background

#F9F7FB

surface

#F2EDF6

border

#CCC8D0

text

#0E0812

muted

#7E7B81

Preview Lab

Preview with #663E9E

Body copy rendered with the generated semantic roles for this colour.

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