#644A5A#644A5A

#644A5A is a dark, muted pink. Relative luminance 0.083; OKLCH L 44.2% C 0.043 H 341.5°. Best body text is #FFFFFF at 7.87:1 contrast (WCAG AA passes).

Color values

HEX	#644A5A
RGB	rgb(100, 74, 90)
HSL	hsl(323, 15%, 34%)
HSV	hsv(323, 26%, 39%)
CMYK	cmyk(0%, 26%, 10%, 60.8%)
CIE-LAB	lab(34.69, 13.94, -5.12)
CIE-LCH	lch(34.69, 14.85, 339.84°)
OKLab	oklab(44.24% 0.0405 -0.0135)
OKLCH	oklch(44.24% 0.043 341.5)
XYZ	xyz(9.5497, 8.3454, 10.7787)
Luminance	0.0834 (WCAG relative)
Temperature	warm
Family	pink

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#644A5A #4A6454

analogous

#614A64 #644A5A #644A4D

triadic

#644A5A #5A644A #4A5A64

tetradic

#644A5A #64614A #4A6454 #4A4D64

square

#644A5A #64614A #4A6454 #4A4D64

split-complementary

#644A5A #4D644A #4A6461

monochromatic

#1E161B #41303A #644A5A #87647A #A48498

Accessibility & contrast

On white

7.87

#644A5A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.67

#644A5A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #644A5A

7.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##644A5A	#FFFFFF	#000000	##FFFFFF
##644A5A	1.00	7.87	2.67	7.87
#FFFFFF	7.87	1.00	21.00	1.00
#000000	2.67	21.00	1.00	21.00
##FFFFFF	7.87	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4B4F5B

Deuteranopia (green-blind)

#515359

Tritanopia (blue-blind)

#674A4F

Achromatopsia (no color)

#525252

Design tokens & code

CSS

--color: #644a5a;
/* rgb */ color: rgb(100, 74, 90);
/* oklch */ color: oklch(44.2% 0.043 341.5);

Tailwind

colors: {
  custom: {
    50: '#907c88',
    500: '#644a5a',
    950: '#000000',
  },
}

SCSS

$custom: #644a5a;
$custom-light: #907c88;
$custom-dark: #000000;

JSON

{
  "hex": "#644a5a",
  "rgb": {
    "r": 100,
    "g": 74,
    "b": 90
  },
  "hsl": {
    "h": 323.077,
    "s": 14.943,
    "l": 34.118
  },
  "oklch": {
    "l": 0.4424,
    "c": 0.04265,
    "h": 341.5
  },
  "luminance": 0.08345
}

Semantic roles & 50–950 ramp

primary

#644A5A

secondary

#789282

accent

#B88C70

background

#F8F7F8

surface

#F0EEEF

border

#CBC9CA

text

#0C090B

muted

#7D7B7C

Preview Lab

Preview with #644A5A

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

Preview Lab → · Contrast checker → · Palette generator →