#644FC8#644FC8

#644FC8 is a mid, vivid violet. Relative luminance 0.125; OKLCH L 51.6% C 0.180 H 286.2°. Best body text is #FFFFFF at 6.01:1 contrast (WCAG AA passes).

Color values

HEX	#644FC8
RGB	rgb(100, 79, 200)
HSL	hsl(250, 52%, 55%)
HSV	hsv(250, 61%, 78%)
CMYK	cmyk(50%, 60.5%, 0%, 21.6%)
CIE-LAB	lab(41.95, 39.83, -60.38)
CIE-LCH	lch(41.95, 72.33, 303.41°)
OKLab	oklab(51.63% 0.0503 -0.1729)
OKLCH	oklch(51.63% 0.18 286.2)
XYZ	xyz(18.4738, 12.4705, 56.0660)
Luminance	0.1247 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#644FC8 #B3C84F

analogous

#4F77C8 #644FC8 #A04FC8

triadic

#644FC8 #C8644F #4FC864

tetradic

#644FC8 #C84F77 #B3C84F #4FC8A0

square

#644FC8 #C84F77 #B3C84F #4FC8A0

split-complementary

#644FC8 #C8A04F #77C84F

monochromatic

#342577 #4834A6 #644FC8 #8D7ED7 #B6ACE5

Accessibility & contrast

On white

6.01

#644FC8 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.49

#644FC8 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #644FC8

6.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##644FC8	#FFFFFF	#000000	##FFFFFF
##644FC8	1.00	6.01	3.49	6.01
#FFFFFF	6.01	1.00	21.00	1.00
#000000	3.49	21.00	1.00	21.00
##FFFFFF	6.01	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0066CC

Deuteranopia (green-blind)

#005FC5

Tritanopia (blue-blind)

#406B84

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #644fc8;
/* rgb */ color: rgb(100, 79, 200);
/* oklch */ color: oklch(51.6% 0.180 286.2);

Tailwind

colors: {
  custom: {
    50: '#9881da',
    500: '#644fc8',
    950: '#000000',
  },
}

SCSS

$custom: #644fc8;
$custom-light: #9881da;
$custom-dark: #000000;

JSON

{
  "hex": "#644fc8",
  "rgb": {
    "r": 100,
    "g": 79,
    "b": 200
  },
  "hsl": {
    "h": 250.413,
    "s": 52.381,
    "l": 54.706
  },
  "oklch": {
    "l": 0.51629,
    "c": 0.18003,
    "h": 286.2
  },
  "luminance": 0.12471
}

Semantic roles & 50–950 ramp

primary

#644FC8

secondary

#CAD3A0

accent

#DC4CC3

background

#F9F7FD

surface

#F2EEFB

border

#CCC9D4

text

#0E0A15

muted

#7E7C83

Preview Lab

Preview with #644FC8

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

Preview Lab → · Contrast checker → · Palette generator →