#644CA2#644CA2

#644CA2 is a mid, vivid violet. Relative luminance 0.105; OKLCH L 48.4% C 0.134 H 293.7°. Best body text is #FFFFFF at 6.78:1 contrast (WCAG AA passes).

Color values

HEX	#644CA2
RGB	rgb(100, 76, 162)
HSL	hsl(257, 36%, 47%)
HSV	hsv(257, 53%, 64%)
CMYK	cmyk(38.3%, 53.1%, 0%, 36.5%)
CIE-LAB	lab(38.70, 30.52, -43.27)
CIE-LCH	lch(38.70, 52.95, 305.20°)
OKLab	oklab(48.41% 0.0537 -0.1226)
OKLCH	oklch(48.41% 0.134 293.7)
XYZ	xyz(14.3598, 10.4865, 35.4429)
Luminance	0.1049 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#644CA2 #8AA24C

analogous

#4C5FA2 #644CA2 #8F4CA2

triadic

#644CA2 #A2644C #4CA264

tetradic

#644CA2 #A24C5F #8AA24C #4CA28F

square

#644CA2 #A24C5F #8AA24C #4CA28F

split-complementary

#644CA2 #A28F4C #5FA24C

monochromatic

#31254F #4A3878 #644CA2 #8570BC #A899CF

Accessibility & contrast

On white

6.78

#644CA2 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.10

#644CA2 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #644CA2

6.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##644CA2	#FFFFFF	#000000	##FFFFFF
##644CA2	1.00	6.78	3.10	6.78
#FFFFFF	6.78	1.00	21.00	1.00
#000000	3.10	21.00	1.00	21.00
##FFFFFF	6.78	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#285CA5

Deuteranopia (green-blind)

#2D5AA0

Tritanopia (blue-blind)

#555D6F

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #644ca2;
/* rgb */ color: rgb(100, 76, 162);
/* oklch */ color: oklch(48.4% 0.134 293.7);

Tailwind

colors: {
  custom: {
    50: '#947ebe',
    500: '#644ca2',
    950: '#000000',
  },
}

SCSS

$custom: #644ca2;
$custom-light: #947ebe;
$custom-dark: #000000;

JSON

{
  "hex": "#644ca2",
  "rgb": {
    "r": 100,
    "g": 76,
    "b": 162
  },
  "hsl": {
    "h": 256.744,
    "s": 36.134,
    "l": 46.667
  },
  "oklch": {
    "l": 0.48414,
    "c": 0.1338,
    "h": 293.7
  },
  "luminance": 0.10487
}

Semantic roles & 50–950 ramp

primary

#644CA2

secondary

#AFBC8E

accent

#CC5CAD

background

#F9F7FB

surface

#F2EEF7

border

#CCC9D0

text

#0D0A12

muted

#7E7C81

Preview Lab

Preview with #644CA2

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

Preview Lab → · Contrast checker → · Palette generator →