#644FC5#644FC5

#644FC5 is a mid, vivid violet. Relative luminance 0.123; OKLCH L 51.4% C 0.176 H 286.6°. Best body text is #FFFFFF at 6.06:1 contrast (WCAG AA passes).

Color values

HEX	#644FC5
RGB	rgb(100, 79, 197)
HSL	hsl(251, 50%, 54%)
HSV	hsv(251, 60%, 77%)
CMYK	cmyk(49.2%, 59.9%, 0%, 22.7%)
CIE-LAB	lab(41.74, 38.93, -58.99)
CIE-LCH	lch(41.74, 70.68, 303.42°)
OKLab	oklab(51.4% 0.0504 -0.1688)
OKLCH	oklch(51.4% 0.176 286.6)
XYZ	xyz(18.1266, 12.3317, 54.2376)
Luminance	0.1233 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#644FC5 #B0C54F

analogous

#4F75C5 #644FC5 #9F4FC5

triadic

#644FC5 #C5644F #4FC564

tetradic

#644FC5 #C54F75 #B0C54F #4FC59F

square

#644FC5 #C54F75 #B0C54F #4FC59F

split-complementary

#644FC5 #C59F4F #75C54F

monochromatic

#342674 #4935A2 #644FC5 #8D7DD4 #B5ABE3

Accessibility & contrast

On white

6.06

#644FC5 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.47

#644FC5 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #644FC5

6.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##644FC5	#FFFFFF	#000000	##FFFFFF
##644FC5	1.00	6.06	3.47	6.06
#FFFFFF	6.06	1.00	21.00	1.00
#000000	3.47	21.00	1.00	21.00
##FFFFFF	6.06	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0065C9

Deuteranopia (green-blind)

#005FC3

Tritanopia (blue-blind)

#426A82

Achromatopsia (no color)

#626262

Design tokens & code

CSS

--color: #644fc5;
/* rgb */ color: rgb(100, 79, 197);
/* oklch */ color: oklch(51.4% 0.176 286.6);

Tailwind

colors: {
  custom: {
    50: '#9781d7',
    500: '#644fc5',
    950: '#000000',
  },
}

SCSS

$custom: #644fc5;
$custom-light: #9781d7;
$custom-dark: #000000;

JSON

{
  "hex": "#644fc5",
  "rgb": {
    "r": 100,
    "g": 79,
    "b": 197
  },
  "hsl": {
    "h": 250.678,
    "s": 50.427,
    "l": 54.118
  },
  "oklch": {
    "l": 0.51403,
    "c": 0.17614,
    "h": 286.6
  },
  "luminance": 0.12333
}

Semantic roles & 50–950 ramp

primary

#644FC5

secondary

#C8D19F

accent

#DA4EC1

background

#F9F7FD

surface

#F2EEFA

border

#CCC9D3

text

#0E0A14

muted

#7E7C83

Preview Lab

Preview with #644FC5

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

Preview Lab → · Contrast checker → · Palette generator →