#644C6D#644C6D

#644C6D is a mid, moderate purple. Relative luminance 0.090; OKLCH L 45.4% C 0.060 H 316.6°. Best body text is #FFFFFF at 7.51:1 contrast (WCAG AA passes).

Color values

HEX	#644C6D
RGB	rgb(100, 76, 109)
HSL	hsl(284, 18%, 36%)
HSV	hsv(284, 30%, 43%)
CMYK	cmyk(8.3%, 30.3%, 0%, 57.3%)
CIE-LAB	lab(35.95, 16.75, -15.17)
CIE-LCH	lch(35.95, 22.60, 317.82°)
OKLab	oklab(45.44% 0.0438 -0.0413)
OKLCH	oklch(45.44% 0.06 316.6)
XYZ	xyz(10.5999, 8.9825, 15.6404)
Luminance	0.0898 (WCAG relative)
Temperature	cool
Family	purple

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#644C6D #556D4C

analogous

#544C6D #644C6D #6D4C66

triadic

#644C6D #6D644C #4C6D64

tetradic

#644C6D #6D544C #556D4C #4C666D

square

#644C6D #6D544C #556D4C #4C666D

split-complementary

#644C6D #666D4C #4C6D54

monochromatic

#221A25 #433349 #644C6D #856591 #A288AC

Accessibility & contrast

On white

7.51

#644C6D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.80

#644C6D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #644C6D

7.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##644C6D	#FFFFFF	#000000	##FFFFFF
##644C6D	1.00	7.51	2.80	7.51
#FFFFFF	7.51	1.00	21.00	1.00
#000000	2.80	21.00	1.00	21.00
##FFFFFF	7.51	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#48536E

Deuteranopia (green-blind)

#4D556C

Tritanopia (blue-blind)

#645058

Achromatopsia (no color)

#555555

Design tokens & code

CSS

--color: #644c6d;
/* rgb */ color: rgb(100, 76, 109);
/* oklch */ color: oklch(45.4% 0.060 316.6);

Tailwind

colors: {
  custom: {
    50: '#907e97',
    500: '#644c6d',
    950: '#000000',
  },
}

SCSS

$custom: #644c6d;
$custom-light: #907e97;
$custom-dark: #000000;

JSON

{
  "hex": "#644c6d",
  "rgb": {
    "r": 100,
    "g": 76,
    "b": 109
  },
  "hsl": {
    "h": 283.636,
    "s": 17.838,
    "l": 36.275
  },
  "oklch": {
    "l": 0.45443,
    "c": 0.06021,
    "h": 316.6
  },
  "luminance": 0.08982
}

Semantic roles & 50–950 ramp

primary

#644C6D

secondary

#84997C

accent

#BB6D82

background

#F8F7F9

surface

#F0EEF2

border

#CBC9CC

text

#0C0A0D

muted

#7D7C7E

Preview Lab

Preview with #644C6D

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

Preview Lab → · Contrast checker → · Palette generator →