#644A67#644A67

#644A67 is a dark, muted purple. Relative luminance 0.086; OKLCH L 44.8% C 0.057 H 323.0°. Best body text is #FFFFFF at 7.73:1 contrast (WCAG AA passes).

Color values

HEX	#644A67
RGB	rgb(100, 74, 103)
HSL	hsl(294, 16%, 35%)
HSV	hsv(294, 28%, 40%)
CMYK	cmyk(2.9%, 28.2%, 0%, 59.6%)
CIE-LAB	lab(35.18, 16.65, -12.60)
CIE-LCH	lch(35.18, 20.88, 322.89°)
OKLab	oklab(44.77% 0.0452 -0.0341)
OKLCH	oklch(44.77% 0.057 323)
XYZ	xyz(10.1522, 8.5864, 13.9519)
Luminance	0.0859 (WCAG relative)
Temperature	neutral
Family	purple

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#644A67 #4D674A

analogous

#564A67 #644A67 #674A5C

triadic

#644A67 #67644A #4A6764

tetradic

#644A67 #67564A #4D674A #4A5C67

square

#644A67 #67564A #4D674A #4A5C67

split-complementary

#644A67 #5C674A #4A6756

monochromatic

#1F1720 #413043 #644A67 #87648B #A384A7

Accessibility & contrast

On white

7.73

#644A67 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.72

#644A67 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #644A67

7.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##644A67	#FFFFFF	#000000	##FFFFFF
##644A67	1.00	7.73	2.72	7.73
#FFFFFF	7.73	1.00	21.00	1.00
#000000	2.72	21.00	1.00	21.00
##FFFFFF	7.73	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#475168

Deuteranopia (green-blind)

#4D5466

Tritanopia (blue-blind)

#654D54

Achromatopsia (no color)

#535353

Design tokens & code

CSS

--color: #644a67;
/* rgb */ color: rgb(100, 74, 103);
/* oklch */ color: oklch(44.8% 0.057 323.0);

Tailwind

colors: {
  custom: {
    50: '#907c92',
    500: '#644a67',
    950: '#000000',
  },
}

SCSS

$custom: #644a67;
$custom-light: #907c92;
$custom-dark: #000000;

JSON

{
  "hex": "#644a67",
  "rgb": {
    "r": 100,
    "g": 74,
    "b": 103
  },
  "hsl": {
    "h": 293.793,
    "s": 16.384,
    "l": 34.706
  },
  "oklch": {
    "l": 0.4477,
    "c": 0.05662,
    "h": 323
  },
  "luminance": 0.08586
}

Semantic roles & 50–950 ramp

primary

#644A67

secondary

#7B9479

accent

#B96F76

background

#F8F7F8

surface

#F0EEF0

border

#CBC9CB

text

#0C090D

muted

#7D7B7D

Preview Lab

Preview with #644A67

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

Preview Lab → · Contrast checker → · Palette generator →