#664DAA#664DAA

#664DAA is a mid, vivid violet. Relative luminance 0.110; OKLCH L 49.3% C 0.143 H 292.8°. Best body text is #FFFFFF at 6.55:1 contrast (WCAG AA passes).

Color values

HEX	#664DAA
RGB	rgb(102, 77, 170)
HSL	hsl(256, 38%, 48%)
HSV	hsv(256, 55%, 67%)
CMYK	cmyk(40%, 54.7%, 0%, 33.3%)
CIE-LAB	lab(39.64, 32.69, -46.52)
CIE-LCH	lch(39.64, 56.86, 305.09°)
OKLab	oklab(49.32% 0.0554 -0.132)
OKLCH	oklch(49.32% 0.143 292.8)
XYZ	xyz(15.3871, 11.0344, 39.3416)
Luminance	0.1104 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#664DAA #91AA4D

analogous

#4D62AA #664DAA #944DAA

triadic

#664DAA #AA664D #4DAA66

tetradic

#664DAA #AA4D62 #91AA4D #4DAA94

square

#664DAA #AA4D62 #91AA4D #4DAA94

split-complementary

#664DAA #AA944D #62AA4D

monochromatic

#332756 #4D3A80 #664DAA #8974C0 #AC9ED3

Accessibility & contrast

On white

6.55

#664DAA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.21

#664DAA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #664DAA

6.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##664DAA	#FFFFFF	#000000	##FFFFFF
##664DAA	1.00	6.55	3.21	6.55
#FFFFFF	6.55	1.00	21.00	1.00
#000000	3.21	21.00	1.00	21.00
##FFFFFF	6.55	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#225FAD

Deuteranopia (green-blind)

#285CA8

Tritanopia (blue-blind)

#546074

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #664daa;
/* rgb */ color: rgb(102, 77, 170);
/* oklch */ color: oklch(49.3% 0.143 292.8);

Tailwind

colors: {
  custom: {
    50: '#967fc4',
    500: '#664daa',
    950: '#000000',
  },
}

SCSS

$custom: #664daa;
$custom-light: #967fc4;
$custom-dark: #000000;

JSON

{
  "hex": "#664daa",
  "rgb": {
    "r": 102,
    "g": 77,
    "b": 170
  },
  "hsl": {
    "h": 256.129,
    "s": 37.652,
    "l": 48.431
  },
  "oklch": {
    "l": 0.49318,
    "c": 0.14322,
    "h": 292.8
  },
  "luminance": 0.11035
}

Semantic roles & 50–950 ramp

primary

#664DAA

secondary

#B4C093

accent

#CE5AAF

background

#F9F7FC

surface

#F2EEF8

border

#CCC9D1

text

#0E0A13

muted

#7E7C82

Preview Lab

Preview with #664DAA

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

Preview Lab → · Contrast checker → · Palette generator →