#644A6D#644A6D

#644A6D is a mid, moderate purple. Relative luminance 0.087; OKLCH L 45.0% C 0.064 H 317.2°. Best body text is #FFFFFF at 7.66:1 contrast (WCAG AA passes).

Color values

HEX	#644A6D
RGB	rgb(100, 74, 109)
HSL	hsl(285, 19%, 36%)
HSV	hsv(285, 32%, 43%)
CMYK	cmyk(8.3%, 32.1%, 0%, 57.3%)
CIE-LAB	lab(35.42, 17.99, -15.98)
CIE-LCH	lch(35.42, 24.07, 318.38°)
OKLab	oklab(45.04% 0.0471 -0.0436)
OKLCH	oklch(45.04% 0.064 317.2)
XYZ	xyz(10.4642, 8.7112, 15.5952)
Luminance	0.0871 (WCAG relative)
Temperature	cool
Family	purple

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#644A6D #536D4A

analogous

#524A6D #644A6D #6D4A64

triadic

#644A6D #6D644A #4A6D64

tetradic

#644A6D #6D524A #536D4A #4A646D

square

#644A6D #6D524A #536D4A #4A646D

split-complementary

#644A6D #646D4A #4A6D52

monochromatic

#211924 #433149 #644A6D #856391 #A285AC

Accessibility & contrast

On white

7.66

#644A6D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.74

#644A6D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #644A6D

7.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##644A6D	#FFFFFF	#000000	##FFFFFF
##644A6D	1.00	7.66	2.74	7.66
#FFFFFF	7.66	1.00	21.00	1.00
#000000	2.74	21.00	1.00	21.00
##FFFFFF	7.66	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#45526E

Deuteranopia (green-blind)

#4B546C

Tritanopia (blue-blind)

#644E57

Achromatopsia (no color)

#535353

Design tokens & code

CSS

--color: #644a6d;
/* rgb */ color: rgb(100, 74, 109);
/* oklch */ color: oklch(45.0% 0.064 317.2);

Tailwind

colors: {
  custom: {
    50: '#907d97',
    500: '#644a6d',
    950: '#000000',
  },
}

SCSS

$custom: #644a6d;
$custom-light: #907d97;
$custom-dark: #000000;

JSON

{
  "hex": "#644a6d",
  "rgb": {
    "r": 100,
    "g": 74,
    "b": 109
  },
  "hsl": {
    "h": 284.571,
    "s": 19.126,
    "l": 35.882
  },
  "oklch": {
    "l": 0.4504,
    "c": 0.06421,
    "h": 317.2
  },
  "luminance": 0.08711
}

Semantic roles & 50–950 ramp

primary

#644A6D

secondary

#82997A

accent

#BC6C81

background

#F8F7F9

surface

#F0EEF2

border

#CBC9CC

text

#0C090D

muted

#7D7B7E

Preview Lab

Preview with #644A6D

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

Preview Lab → · Contrast checker → · Palette generator →