#644FC7#644FC7

#644FC7 is a mid, vivid violet. Relative luminance 0.124; OKLCH L 51.6% C 0.179 H 286.3°. Best body text is #FFFFFF at 6.03:1 contrast (WCAG AA passes).

Color values

HEX	#644FC7
RGB	rgb(100, 79, 199)
HSL	hsl(251, 52%, 55%)
HSV	hsv(251, 60%, 78%)
CMYK	cmyk(49.7%, 60.3%, 0%, 22%)
CIE-LAB	lab(41.88, 39.53, -59.92)
CIE-LCH	lch(41.88, 71.78, 303.41°)
OKLab	oklab(51.55% 0.0503 -0.1715)
OKLCH	oklch(51.55% 0.179 286.3)
XYZ	xyz(18.3573, 12.4239, 55.4525)
Luminance	0.1242 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#644FC7 #B2C74F

analogous

#4F76C7 #644FC7 #A04FC7

triadic

#644FC7 #C7644F #4FC764

tetradic

#644FC7 #C74F76 #B2C74F #4FC7A0

square

#644FC7 #C74F76 #B2C74F #4FC7A0

split-complementary

#644FC7 #C7A04F #76C74F

monochromatic

#342676 #4834A4 #644FC7 #8D7DD6 #B6ACE5

Accessibility & contrast

On white

6.03

#644FC7 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.49

#644FC7 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #644FC7

6.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##644FC7	#FFFFFF	#000000	##FFFFFF
##644FC7	1.00	6.03	3.49	6.03
#FFFFFF	6.03	1.00	21.00	1.00
#000000	3.49	21.00	1.00	21.00
##FFFFFF	6.03	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0066CB

Deuteranopia (green-blind)

#005FC5

Tritanopia (blue-blind)

#406B83

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #644fc7;
/* rgb */ color: rgb(100, 79, 199);
/* oklch */ color: oklch(51.6% 0.179 286.3);

Tailwind

colors: {
  custom: {
    50: '#9881d9',
    500: '#644fc7',
    950: '#000000',
  },
}

SCSS

$custom: #644fc7;
$custom-light: #9881d9;
$custom-dark: #000000;

JSON

{
  "hex": "#644fc7",
  "rgb": {
    "r": 100,
    "g": 79,
    "b": 199
  },
  "hsl": {
    "h": 250.5,
    "s": 51.724,
    "l": 54.51
  },
  "oklch": {
    "l": 0.51553,
    "c": 0.17874,
    "h": 286.3
  },
  "luminance": 0.12425
}

Semantic roles & 50–950 ramp

primary

#644FC7

secondary

#C9D2A0

accent

#DB4DC2

background

#F9F7FD

surface

#F2EEFB

border

#CCC9D4

text

#0E0A15

muted

#7E7C83

Preview Lab

Preview with #644FC7

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

Preview Lab → · Contrast checker → · Palette generator →