#644FB8#644FB8

#644FB8 is a mid, vivid violet. Relative luminance 0.118; OKLCH L 50.4% C 0.159 H 288.6°. Best body text is #FFFFFF at 6.26:1 contrast (WCAG AA passes).

Color values

HEX	#644FB8
RGB	rgb(100, 79, 184)
HSL	hsl(252, 43%, 52%)
HSV	hsv(252, 57%, 72%)
CMYK	cmyk(45.7%, 57.1%, 0%, 27.8%)
CIE-LAB	lab(40.83, 35.08, -52.87)
CIE-LCH	lch(40.83, 63.45, 303.56°)
OKLab	oklab(50.45% 0.0507 -0.1508)
OKLCH	oklch(50.45% 0.159 288.6)
XYZ	xyz(16.7008, 11.7613, 46.7283)
Luminance	0.1176 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#644FB8 #A3B84F

analogous

#4F6FB8 #644FB8 #994FB8

triadic

#644FB8 #B8644F #4FB864

tetradic

#644FB8 #B84F6F #A3B84F #4FB899

square

#644FB8 #B84F6F #A3B84F #4FB899

split-complementary

#644FB8 #B8994F #6FB84F

monochromatic

#342864 #4B3A90 #644FB8 #8A7BCA #B1A6DB

Accessibility & contrast

On white

6.26

#644FB8 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.35

#644FB8 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #644FB8

6.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##644FB8	#FFFFFF	#000000	##FFFFFF
##644FB8	1.00	6.26	3.35	6.26
#FFFFFF	6.26	1.00	21.00	1.00
#000000	3.35	21.00	1.00	21.00
##FFFFFF	6.26	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0B63BC

Deuteranopia (green-blind)

#0F5EB6

Tritanopia (blue-blind)

#4A667C

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #644fb8;
/* rgb */ color: rgb(100, 79, 184);
/* oklch */ color: oklch(50.4% 0.159 288.6);

Tailwind

colors: {
  custom: {
    50: '#9681ce',
    500: '#644fb8',
    950: '#000000',
  },
}

SCSS

$custom: #644fb8;
$custom-light: #9681ce;
$custom-dark: #000000;

JSON

{
  "hex": "#644fb8",
  "rgb": {
    "r": 100,
    "g": 79,
    "b": 184
  },
  "hsl": {
    "h": 252,
    "s": 42.51,
    "l": 51.569
  },
  "oklch": {
    "l": 0.5045,
    "c": 0.15904,
    "h": 288.6
  },
  "luminance": 0.11762
}

Semantic roles & 50–950 ramp

primary

#644FB8

secondary

#BFC89A

accent

#D256B9

background

#F9F7FC

surface

#F2EEF9

border

#CCC9D2

text

#0E0A14

muted

#7E7C82

Preview Lab

Preview with #644FB8

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

Preview Lab → · Contrast checker → · Palette generator →