#644657#644657

#644657 is a dark, muted pink. Relative luminance 0.078; OKLCH L 43.3% C 0.048 H 344.3°. Best body text is #FFFFFF at 8.22:1 contrast (WCAG AA passes).

Color values

HEX	#644657
RGB	rgb(100, 70, 87)
HSL	hsl(326, 18%, 33%)
HSV	hsv(326, 30%, 39%)
CMYK	cmyk(0%, 30%, 13%, 60.8%)
CIE-LAB	lab(33.52, 15.86, -4.96)
CIE-LCH	lch(33.52, 16.61, 342.62°)
OKLab	oklab(43.3% 0.0464 -0.013)
OKLCH	oklch(43.3% 0.048 344.3)
XYZ	xyz(9.1660, 7.7782, 10.0335)
Luminance	0.0778 (WCAG relative)
Temperature	warm
Family	pink

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#644657 #466453

analogous

#624664 #644657 #644648

triadic

#644657 #576446 #465764

tetradic

#644657 #646246 #466453 #464864

square

#644657 #646246 #466453 #464864

split-complementary

#644657 #486446 #466462

monochromatic

#1C1418 #402D38 #644657 #885F76 #A57F95

Accessibility & contrast

On white

8.22

#644657 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.56

#644657 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #644657

8.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##644657	#FFFFFF	#000000	##FFFFFF
##644657	1.00	8.22	2.56	8.22
#FFFFFF	8.22	1.00	21.00	1.00
#000000	2.56	21.00	1.00	21.00
##FFFFFF	8.22	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#484C58

Deuteranopia (green-blind)

#4F5156

Tritanopia (blue-blind)

#68464C

Achromatopsia (no color)

#4F4F4F

Design tokens & code

CSS

--color: #644657;
/* rgb */ color: rgb(100, 70, 87);
/* oklch */ color: oklch(43.3% 0.048 344.3);

Tailwind

colors: {
  custom: {
    50: '#907986',
    500: '#644657',
    950: '#000000',
  },
}

SCSS

$custom: #644657;
$custom-light: #907986;
$custom-dark: #000000;

JSON

{
  "hex": "#644657",
  "rgb": {
    "r": 100,
    "g": 70,
    "b": 87
  },
  "hsl": {
    "h": 326,
    "s": 17.647,
    "l": 33.333
  },
  "oklch": {
    "l": 0.43303,
    "c": 0.04823,
    "h": 344.3
  },
  "luminance": 0.07778
}

Semantic roles & 50–950 ramp

primary

#644657

secondary

#749281

accent

#BA8F6D

background

#F8F7F8

surface

#F0EDEF

border

#CBC8CA

text

#0C090B

muted

#7D7B7C

Preview Lab

Preview with #644657

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

Preview Lab → · Contrast checker → · Palette generator →