#644FC3#644FC3

#644FC3 is a mid, vivid violet. Relative luminance 0.122; OKLCH L 51.3% C 0.174 H 286.9°. Best body text is #FFFFFF at 6.09:1 contrast (WCAG AA passes).

Color values

HEX	#644FC3
RGB	rgb(100, 79, 195)
HSL	hsl(251, 49%, 54%)
HSV	hsv(251, 59%, 76%)
CMYK	cmyk(48.7%, 59.5%, 0%, 23.5%)
CIE-LAB	lab(41.60, 38.34, -58.06)
CIE-LCH	lch(41.60, 69.58, 303.43°)
OKLab	oklab(51.25% 0.0505 -0.166)
OKLCH	oklch(51.25% 0.174 286.9)
XYZ	xyz(17.8990, 12.2406, 53.0387)
Luminance	0.1224 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#644FC3 #AEC34F

analogous

#4F74C3 #644FC3 #9E4FC3

triadic

#644FC3 #C3644F #4FC364

tetradic

#644FC3 #C34F74 #AEC34F #4FC39E

square

#644FC3 #C34F74 #AEC34F #4FC39E

split-complementary

#644FC3 #C39E4F #74C34F

monochromatic

#342771 #49369F #644FC3 #8C7DD3 #B4AAE2

Accessibility & contrast

On white

6.09

#644FC3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.45

#644FC3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #644FC3

6.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##644FC3	#FFFFFF	#000000	##FFFFFF
##644FC3	1.00	6.09	3.45	6.09
#FFFFFF	6.09	1.00	21.00	1.00
#000000	3.45	21.00	1.00	21.00
##FFFFFF	6.09	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0065C7

Deuteranopia (green-blind)

#005FC1

Tritanopia (blue-blind)

#436A81

Achromatopsia (no color)

#626262

Design tokens & code

CSS

--color: #644fc3;
/* rgb */ color: rgb(100, 79, 195);
/* oklch */ color: oklch(51.3% 0.174 286.9);

Tailwind

colors: {
  custom: {
    50: '#9781d6',
    500: '#644fc3',
    950: '#000000',
  },
}

SCSS

$custom: #644fc3;
$custom-light: #9781d6;
$custom-dark: #000000;

JSON

{
  "hex": "#644fc3",
  "rgb": {
    "r": 100,
    "g": 79,
    "b": 195
  },
  "hsl": {
    "h": 250.862,
    "s": 49.153,
    "l": 53.725
  },
  "oklch": {
    "l": 0.51253,
    "c": 0.17354,
    "h": 286.9
  },
  "luminance": 0.12241
}

Semantic roles & 50–950 ramp

primary

#644FC3

secondary

#C7D09E

accent

#D94FC0

background

#F9F7FD

surface

#F2EEFA

border

#CCC9D3

text

#0E0A14

muted

#7E7C83

Preview Lab

Preview with #644FC3

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

Preview Lab → · Contrast checker → · Palette generator →