#644CD1#644CD1

#644CD1 is a mid, vivid violet. Relative luminance 0.125; OKLCH L 51.9% C 0.195 H 285.6°. Best body text is #FFFFFF at 6.01:1 contrast (WCAG AA passes).

Color values

HEX	#644CD1
RGB	rgb(100, 76, 209)
HSL	hsl(251, 59%, 56%)
HSV	hsv(251, 64%, 82%)
CMYK	cmyk(52.2%, 63.6%, 0%, 18%)
CIE-LAB	lab(41.97, 44.24, -65.55)
CIE-LCH	lch(41.97, 79.09, 304.02°)
OKLab	oklab(51.85% 0.0526 -0.1881)
OKLCH	oklch(51.85% 0.195 285.6)
XYZ	xyz(19.3452, 12.4806, 61.6989)
Luminance	0.1248 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#644CD1 #B9D14C

analogous

#4C76D1 #644CD1 #A64CD1

triadic

#644CD1 #D1644C #4CD164

tetradic

#644CD1 #D14C76 #B9D14C #4CD1A6

square

#644CD1 #D14C76 #B9D14C #4CD1A6

split-complementary

#644CD1 #D1A64C #76D14C

monochromatic

#332181 #462EB2 #644CD1 #8E7DDE #B8ADEA

Accessibility & contrast

On white

6.01

#644CD1 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.50

#644CD1 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #644CD1

6.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##644CD1	#FFFFFF	#000000	##FFFFFF
##644CD1	1.00	6.01	3.50	6.01
#FFFFFF	6.01	1.00	21.00	1.00
#000000	3.50	21.00	1.00	21.00
##FFFFFF	6.01	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0067D5

Deuteranopia (green-blind)

#005FCE

Tritanopia (blue-blind)

#396C88

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #644cd1;
/* rgb */ color: rgb(100, 76, 209);
/* oklch */ color: oklch(51.9% 0.195 285.6);

Tailwind

colors: {
  custom: {
    50: '#997fe0',
    500: '#644cd1',
    950: '#000000',
  },
}

SCSS

$custom: #644cd1;
$custom-light: #997fe0;
$custom-dark: #000000;

JSON

{
  "hex": "#644cd1",
  "rgb": {
    "r": 100,
    "g": 76,
    "b": 209
  },
  "hsl": {
    "h": 250.827,
    "s": 59.111,
    "l": 55.882
  },
  "oklch": {
    "l": 0.51851,
    "c": 0.19531,
    "h": 285.6
  },
  "luminance": 0.12482
}

Semantic roles & 50–950 ramp

primary

#644CD1

secondary

#CED8A1

accent

#E246C6

background

#FAF7FD

surface

#F3EEFB

border

#CDC9D4

text

#0F0A15

muted

#7F7C83

Preview Lab

Preview with #644CD1

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

Preview Lab → · Contrast checker → · Palette generator →