#644A99#644A99

#644A99 is a mid, vivid violet. Relative luminance 0.099; OKLCH L 47.5% C 0.125 H 296.5°. Best body text is #FFFFFF at 7.04:1 contrast (WCAG AA passes).

Color values

HEX	#644A99
RGB	rgb(100, 74, 153)
HSL	hsl(260, 35%, 45%)
HSV	hsv(260, 52%, 60%)
CMYK	cmyk(34.6%, 51.6%, 0%, 40%)
CIE-LAB	lab(37.67, 29.22, -39.50)
CIE-LCH	lch(37.67, 49.13, 306.49°)
OKLab	oklab(47.47% 0.0557 -0.1115)
OKLCH	oklch(47.47% 0.125 296.5)
XYZ	xyz(13.4526, 9.9066, 31.3342)
Luminance	0.0991 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#644A99 #7F994A

analogous

#4A5799 #644A99 #8C4A99

triadic

#644A99 #99644A #4A9964

tetradic

#644A99 #994A57 #7F994A #4A998C

square

#644A99 #994A57 #7F994A #4A998C

split-complementary

#644A99 #998C4A #57994A

monochromatic

#2E2247 #493670 #644A99 #836AB7 #A593CB

Accessibility & contrast

On white

7.04

#644A99 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.98

#644A99 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #644A99

7.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##644A99	#FFFFFF	#000000	##FFFFFF
##644A99	1.00	7.04	2.98	7.04
#FFFFFF	7.04	1.00	21.00	1.00
#000000	2.98	21.00	1.00	21.00
##FFFFFF	7.04	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2D599C

Deuteranopia (green-blind)

#335897

Tritanopia (blue-blind)

#58596A

Achromatopsia (no color)

#595959

Design tokens & code

CSS

--color: #644a99;
/* rgb */ color: rgb(100, 74, 153);
/* oklch */ color: oklch(47.5% 0.125 296.5);

Tailwind

colors: {
  custom: {
    50: '#937db7',
    500: '#644a99',
    950: '#000000',
  },
}

SCSS

$custom: #644a99;
$custom-light: #937db7;
$custom-dark: #000000;

JSON

{
  "hex": "#644a99",
  "rgb": {
    "r": 100,
    "g": 74,
    "b": 153
  },
  "hsl": {
    "h": 259.747,
    "s": 34.802,
    "l": 44.51
  },
  "oklch": {
    "l": 0.47473,
    "c": 0.12467,
    "h": 296.5
  },
  "luminance": 0.09907
}

Semantic roles & 50–950 ramp

primary

#644A99

secondary

#A7B788

accent

#CB5DA7

background

#F9F7FB

surface

#F2EEF6

border

#CCC9D0

text

#0D0911

muted

#7E7B80

Preview Lab

Preview with #644A99

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

Preview Lab → · Contrast checker → · Palette generator →