#644C8A#644C8A

#644C8A is a mid, moderate violet. Relative luminance 0.097; OKLCH L 46.9% C 0.100 H 300.4°. Best body text is #FFFFFF at 7.14:1 contrast (WCAG AA passes).

Color values

HEX	#644C8A
RGB	rgb(100, 76, 138)
HSL	hsl(263, 29%, 42%)
HSV	hsv(263, 45%, 54%)
CMYK	cmyk(27.5%, 44.9%, 0%, 45.9%)
CIE-LAB	lab(37.32, 23.93, -30.96)
CIE-LCH	lch(37.32, 39.13, 307.71°)
OKLab	oklab(46.94% 0.0509 -0.0866)
OKLCH	oklch(46.94% 0.1 300.4)
XYZ	xyz(12.4264, 9.7131, 25.2600)
Luminance	0.0971 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#644C8A #728A4C

analogous

#4C538A #644C8A #834C8A

triadic

#644C8A #8A644C #4C8A64

tetradic

#644C8A #8A4C53 #728A4C #4C8A83

square

#644C8A #8A4C53 #728A4C #4C8A83

split-complementary

#644C8A #8A834C #538A4C

monochromatic

#2B213B #473663 #644C8A #8268AC #A38FC1

Accessibility & contrast

On white

7.14

#644C8A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.94

#644C8A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #644C8A

7.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##644C8A	#FFFFFF	#000000	##FFFFFF
##644C8A	1.00	7.14	2.94	7.14
#FFFFFF	7.14	1.00	21.00	1.00
#000000	2.94	21.00	1.00	21.00
##FFFFFF	7.14	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3B588C

Deuteranopia (green-blind)

#405788

Tritanopia (blue-blind)

#5D5764

Achromatopsia (no color)

#585858

Design tokens & code

CSS

--color: #644c8a;
/* rgb */ color: rgb(100, 76, 138);
/* oklch */ color: oklch(46.9% 0.100 300.4);

Tailwind

colors: {
  custom: {
    50: '#927eac',
    500: '#644c8a',
    950: '#000000',
  },
}

SCSS

$custom: #644c8a;
$custom-light: #927eac;
$custom-dark: #000000;

JSON

{
  "hex": "#644c8a",
  "rgb": {
    "r": 100,
    "g": 76,
    "b": 138
  },
  "hsl": {
    "h": 263.226,
    "s": 28.972,
    "l": 41.961
  },
  "oklch": {
    "l": 0.46935,
    "c": 0.10043,
    "h": 300.4
  },
  "luminance": 0.09713
}

Semantic roles & 50–950 ramp

primary

#644C8A

secondary

#9EAE84

accent

#C5639F

background

#F9F7FA

surface

#F1EEF4

border

#CBC9CE

text

#0D0A10

muted

#7E7C7F

Preview Lab

Preview with #644C8A

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

Preview Lab → · Contrast checker → · Palette generator →