#644CD0#644CD0

#644CD0 is a mid, vivid violet. Relative luminance 0.124; OKLCH L 51.8% C 0.194 H 285.8°. Best body text is #FFFFFF at 6.02:1 contrast (WCAG AA passes).

Color values

HEX	#644CD0
RGB	rgb(100, 76, 208)
HSL	hsl(251, 58%, 56%)
HSV	hsv(251, 63%, 82%)
CMYK	cmyk(51.9%, 63.5%, 0%, 18.4%)
CIE-LAB	lab(41.89, 43.95, -65.10)
CIE-LCH	lch(41.89, 78.55, 304.02°)
OKLab	oklab(51.77% 0.0527 -0.1867)
OKLCH	oklch(51.77% 0.194 285.8)
XYZ	xyz(19.2217, 12.4313, 61.0489)
Luminance	0.1243 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#644CD0 #B8D04C

analogous

#4C76D0 #644CD0 #A64CD0

triadic

#644CD0 #D0644C #4CD064

tetradic

#644CD0 #D04C76 #B8D04C #4CD0A6

square

#644CD0 #D04C76 #B8D04C #4CD0A6

split-complementary

#644CD0 #D0A64C #76D04C

monochromatic

#332280 #462EB0 #644CD0 #8E7CDD #B8ADE9

Accessibility & contrast

On white

6.02

#644CD0 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.49

#644CD0 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #644CD0

6.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##644CD0	#FFFFFF	#000000	##FFFFFF
##644CD0	1.00	6.02	3.49	6.02
#FFFFFF	6.02	1.00	21.00	1.00
#000000	3.49	21.00	1.00	21.00
##FFFFFF	6.02	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0066D4

Deuteranopia (green-blind)

#005FCD

Tritanopia (blue-blind)

#3A6C87

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #644cd0;
/* rgb */ color: rgb(100, 76, 208);
/* oklch */ color: oklch(51.8% 0.194 285.8);

Tailwind

colors: {
  custom: {
    50: '#997fdf',
    500: '#644cd0',
    950: '#000000',
  },
}

SCSS

$custom: #644cd0;
$custom-light: #997fdf;
$custom-dark: #000000;

JSON

{
  "hex": "#644cd0",
  "rgb": {
    "r": 100,
    "g": 76,
    "b": 208
  },
  "hsl": {
    "h": 250.909,
    "s": 58.407,
    "l": 55.686
  },
  "oklch": {
    "l": 0.51772,
    "c": 0.19405,
    "h": 285.8
  },
  "luminance": 0.12432
}

Semantic roles & 50–950 ramp

primary

#644CD0

secondary

#CDD7A0

accent

#E246C5

background

#FAF7FD

surface

#F3EEFB

border

#CDC9D4

text

#0F0A15

muted

#7F7C83

Preview Lab

Preview with #644CD0

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

Preview Lab → · Contrast checker → · Palette generator →