#644FBF#644FBF

#644FBF is a mid, vivid violet. Relative luminance 0.121; OKLCH L 51.0% C 0.168 H 287.5°. Best body text is #FFFFFF at 6.15:1 contrast (WCAG AA passes).

Color values

HEX	#644FBF
RGB	rgb(100, 79, 191)
HSL	hsl(251, 47%, 53%)
HSV	hsv(251, 59%, 75%)
CMYK	cmyk(47.6%, 58.6%, 0%, 25.1%)
CIE-LAB	lab(41.31, 37.15, -56.19)
CIE-LCH	lch(41.31, 67.36, 303.47°)
OKLab	oklab(50.96% 0.0506 -0.1605)
OKLCH	oklch(50.96% 0.168 287.5)
XYZ	xyz(17.4528, 12.0621, 50.6887)
Luminance	0.1206 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#644FBF #AABF4F

analogous

#4F72BF #644FBF #9C4FBF

triadic

#644FBF #BF644F #4FBF64

tetradic

#644FBF #BF4F72 #AABF4F #4FBF9C

square

#644FBF #BF4F72 #AABF4F #4FBF9C

split-complementary

#644FBF #BF9C4F #72BF4F

monochromatic

#34276C #4A3899 #644FBF #8C7CCF #B3A9E0

Accessibility & contrast

On white

6.15

#644FBF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.41

#644FBF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #644FBF

6.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##644FBF	#FFFFFF	#000000	##FFFFFF
##644FBF	1.00	6.15	3.41	6.15
#FFFFFF	6.15	1.00	21.00	1.00
#000000	3.41	21.00	1.00	21.00
##FFFFFF	6.15	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0064C3

Deuteranopia (green-blind)

#005EBD

Tritanopia (blue-blind)

#46687F

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #644fbf;
/* rgb */ color: rgb(100, 79, 191);
/* oklch */ color: oklch(51.0% 0.168 287.5);

Tailwind

colors: {
  custom: {
    50: '#9781d3',
    500: '#644fbf',
    950: '#000000',
  },
}

SCSS

$custom: #644fbf;
$custom-light: #9781d3;
$custom-dark: #000000;

JSON

{
  "hex": "#644fbf",
  "rgb": {
    "r": 100,
    "g": 79,
    "b": 191
  },
  "hsl": {
    "h": 251.25,
    "s": 46.667,
    "l": 52.941
  },
  "oklch": {
    "l": 0.50957,
    "c": 0.16831,
    "h": 287.5
  },
  "luminance": 0.12063
}

Semantic roles & 50–950 ramp

primary

#644FBF

secondary

#C4CD9D

accent

#D651BD

background

#F9F7FD

surface

#F2EEFA

border

#CCC9D3

text

#0E0A14

muted

#7E7C83

Preview Lab

Preview with #644FBF

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

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