#644398#644398

#644398 is a mid, vivid violet. Relative luminance 0.090; OKLCH L 46.2% C 0.135 H 299.0°. Best body text is #FFFFFF at 7.50:1 contrast (WCAG AA passes).

Color values

HEX	#644398
RGB	rgb(100, 67, 152)
HSL	hsl(263, 39%, 43%)
HSV	hsv(263, 56%, 60%)
CMYK	cmyk(34.2%, 55.9%, 0%, 40.4%)
CIE-LAB	lab(35.97, 33.15, -41.63)
CIE-LCH	lch(35.97, 53.22, 308.54°)
OKLab	oklab(46.19% 0.0652 -0.1177)
OKLCH	oklch(46.19% 0.135 299)
XYZ	xyz(12.9288, 8.9905, 30.7539)
Luminance	0.0899 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#644398 #779843

analogous

#434C98 #644398 #8E4398

triadic

#644398 #986443 #439864

tetradic

#644398 #98434C #779843 #43988E

square

#644398 #98434C #779843 #43988E

split-complementary

#644398 #988E43 #4C9843

monochromatic

#2C1E43 #48306E #644398 #8260B9 #A38ACB

Accessibility & contrast

On white

7.50

#644398 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.80

#644398 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #644398

7.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##644398	#FFFFFF	#000000	##FFFFFF
##644398	1.00	7.50	2.80	7.50
#FFFFFF	7.50	1.00	21.00	1.00
#000000	2.80	21.00	1.00	21.00
##FFFFFF	7.50	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#20559B

Deuteranopia (green-blind)

#2A5496

Tritanopia (blue-blind)

#595467

Achromatopsia (no color)

#555555

Design tokens & code

CSS

--color: #644398;
/* rgb */ color: rgb(100, 67, 152);
/* oklch */ color: oklch(46.2% 0.135 299.0);

Tailwind

colors: {
  custom: {
    50: '#9378b7',
    500: '#644398',
    950: '#000000',
  },
}

SCSS

$custom: #644398;
$custom-light: #9378b7;
$custom-dark: #000000;

JSON

{
  "hex": "#644398",
  "rgb": {
    "r": 100,
    "g": 67,
    "b": 152
  },
  "hsl": {
    "h": 263.294,
    "s": 38.813,
    "l": 42.941
  },
  "oklch": {
    "l": 0.46186,
    "c": 0.13458,
    "h": 299
  },
  "luminance": 0.08991
}

Semantic roles & 50–950 ramp

primary

#644398

secondary

#A1B680

accent

#CF59A1

background

#F9F7FB

surface

#F2EDF6

border

#CCC8D0

text

#0D0911

muted

#7E7B80

Preview Lab

Preview with #644398

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

Preview Lab → · Contrast checker → · Palette generator →