#644C83#644C83

#644C83 is a mid, moderate violet. Relative luminance 0.095; OKLCH L 46.5% C 0.091 H 303.2°. Best body text is #FFFFFF at 7.23:1 contrast (WCAG AA passes).

Color values

HEX	#644C83
RGB	rgb(100, 76, 131)
HSL	hsl(266, 27%, 41%)
HSV	hsv(266, 42%, 51%)
CMYK	cmyk(23.7%, 42%, 0%, 48.6%)
CIE-LAB	lab(36.96, 22.10, -27.24)
CIE-LCH	lch(36.96, 35.08, 309.06°)
OKLab	oklab(46.54% 0.0495 -0.0758)
OKLCH	oklch(46.54% 0.091 303.2)
XYZ	xyz(11.9358, 9.5169, 22.6765)
Luminance	0.0952 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#644C83 #6B834C

analogous

#4C4F83 #644C83 #7F4C83

triadic

#644C83 #83644C #4C8364

tetradic

#644C83 #834C4F #6B834C #4C837F

square

#644C83 #834C4F #6B834C #4C837F

split-complementary

#644C83 #837F4C #4F834C

monochromatic

#291F36 #46365C #644C83 #8266A6 #A28DBD

Accessibility & contrast

On white

7.23

#644C83 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.90

#644C83 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #644C83

7.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##644C83	#FFFFFF	#000000	##FFFFFF
##644C83	1.00	7.23	2.90	7.23
#FFFFFF	7.23	1.00	21.00	1.00
#000000	2.90	21.00	1.00	21.00
##FFFFFF	7.23	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3F5685

Deuteranopia (green-blind)

#445782

Tritanopia (blue-blind)

#5F5561

Achromatopsia (no color)

#575757

Design tokens & code

CSS

--color: #644c83;
/* rgb */ color: rgb(100, 76, 131);
/* oklch */ color: oklch(46.5% 0.091 303.2);

Tailwind

colors: {
  custom: {
    50: '#917ea7',
    500: '#644c83',
    950: '#000000',
  },
}

SCSS

$custom: #644c83;
$custom-light: #917ea7;
$custom-dark: #000000;

JSON

{
  "hex": "#644c83",
  "rgb": {
    "r": 100,
    "g": 76,
    "b": 131
  },
  "hsl": {
    "h": 266.182,
    "s": 26.57,
    "l": 40.588
  },
  "oklch": {
    "l": 0.46544,
    "c": 0.09056,
    "h": 303.2
  },
  "luminance": 0.09517
}

Semantic roles & 50–950 ramp

primary

#644C83

secondary

#98A982

accent

#C3659A

background

#F9F7FA

surface

#F1EEF4

border

#CBC9CE

text

#0D0A0F

muted

#7E7C7F

Preview Lab

Preview with #644C83

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

Preview Lab → · Contrast checker → · Palette generator →