#644CD3#644CD3

#644CD3 is a mid, vivid violet. Relative luminance 0.126; OKLCH L 52.0% C 0.198 H 285.4°. Best body text is #FFFFFF at 5.97:1 contrast (WCAG AA passes).

Color values

HEX	#644CD3
RGB	rgb(100, 76, 211)
HSL	hsl(251, 61%, 56%)
HSV	hsv(251, 64%, 83%)
CMYK	cmyk(52.6%, 64%, 0%, 17.3%)
CIE-LAB	lab(42.12, 44.84, -66.45)
CIE-LCH	lch(42.12, 80.16, 304.01°)
OKLab	oklab(52.01% 0.0525 -0.1907)
OKLCH	oklch(52.01% 0.198 285.4)
XYZ	xyz(19.5943, 12.5803, 63.0112)
Luminance	0.1258 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#644CD3 #BBD34C

analogous

#4C78D3 #644CD3 #A84CD3

triadic

#644CD3 #D3644C #4CD364

tetradic

#644CD3 #D34C78 #BBD34C #4CD3A8

square

#644CD3 #D34C78 #BBD34C #4CD3A8

split-complementary

#644CD3 #D3A84C #78D34C

monochromatic

#322084 #452DB5 #644CD3 #8F7DDF #B9AEEB

Accessibility & contrast

On white

5.97

#644CD3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.52

#644CD3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #644CD3

5.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##644CD3	#FFFFFF	#000000	##FFFFFF
##644CD3	1.00	5.97	3.52	5.97
#FFFFFF	5.97	1.00	21.00	1.00
#000000	3.52	21.00	1.00	21.00
##FFFFFF	5.97	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0067D7

Deuteranopia (green-blind)

#005FD0

Tritanopia (blue-blind)

#376D89

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #644cd3;
/* rgb */ color: rgb(100, 76, 211);
/* oklch */ color: oklch(52.0% 0.198 285.4);

Tailwind

colors: {
  custom: {
    50: '#9a7fe1',
    500: '#644cd3',
    950: '#000000',
  },
}

SCSS

$custom: #644cd3;
$custom-light: #9a7fe1;
$custom-dark: #000000;

JSON

{
  "hex": "#644cd3",
  "rgb": {
    "r": 100,
    "g": 76,
    "b": 211
  },
  "hsl": {
    "h": 250.667,
    "s": 60.538,
    "l": 56.275
  },
  "oklch": {
    "l": 0.52011,
    "c": 0.1978,
    "h": 285.4
  },
  "luminance": 0.12581
}

Semantic roles & 50–950 ramp

primary

#644CD3

secondary

#CFD9A2

accent

#E444C7

background

#FAF7FD

surface

#F3EEFB

border

#CDC9D4

text

#0F0A15

muted

#7F7C83

Preview Lab

Preview with #644CD3

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

Preview Lab → · Contrast checker → · Palette generator →