#644E6C#644E6C

#644E6C is a mid, muted purple. Relative luminance 0.092; OKLCH L 45.8% C 0.055 H 316.9°. Best body text is #FFFFFF at 7.37:1 contrast (WCAG AA passes).

Color values

HEX	#644E6C
RGB	rgb(100, 78, 108)
HSL	hsl(284, 16%, 36%)
HSV	hsv(284, 28%, 42%)
CMYK	cmyk(7.4%, 27.8%, 0%, 57.6%)
CIE-LAB	lab(36.44, 15.27, -13.79)
CIE-LCH	lch(36.44, 20.58, 317.91°)
OKLab	oklab(45.81% 0.0401 -0.0375)
OKLCH	oklch(45.81% 0.055 316.9)
XYZ	xyz(10.6863, 9.2410, 15.4052)
Luminance	0.0924 (WCAG relative)
Temperature	cool
Family	purple

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#644E6C #566C4E

analogous

#554E6C #644E6C #6C4E65

triadic

#644E6C #6C644E #4E6C64

tetradic

#644E6C #6C554E #566C4E #4E656C

square

#644E6C #6C554E #566C4E #4E656C

split-complementary

#644E6C #656C4E #4E6C55

monochromatic

#221B25 #433448 #644E6C #856890 #A28AAA

Accessibility & contrast

On white

7.37

#644E6C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.85

#644E6C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #644E6C

7.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##644E6C	#FFFFFF	#000000	##FFFFFF
##644E6C	1.00	7.37	2.85	7.37
#FFFFFF	7.37	1.00	21.00	1.00
#000000	2.85	21.00	1.00	21.00
##FFFFFF	7.37	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4A546D

Deuteranopia (green-blind)

#4F566B

Tritanopia (blue-blind)

#645159

Achromatopsia (no color)

#565656

Design tokens & code

CSS

--color: #644e6c;
/* rgb */ color: rgb(100, 78, 108);
/* oklch */ color: oklch(45.8% 0.055 316.9);

Tailwind

colors: {
  custom: {
    50: '#907f96',
    500: '#644e6c',
    950: '#000000',
  },
}

SCSS

$custom: #644e6c;
$custom-light: #907f96;
$custom-dark: #000000;

JSON

{
  "hex": "#644e6c",
  "rgb": {
    "r": 100,
    "g": 78,
    "b": 108
  },
  "hsl": {
    "h": 284,
    "s": 16.129,
    "l": 36.471
  },
  "oklch": {
    "l": 0.45808,
    "c": 0.05486,
    "h": 316.9
  },
  "luminance": 0.09241
}

Semantic roles & 50–950 ramp

primary

#644E6C

secondary

#85987E

accent

#B96F83

background

#F8F7F9

surface

#F0EEF2

border

#CBC9CC

text

#0C0A0D

muted

#7D7C7E

Preview Lab

Preview with #644E6C

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

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