#644648#644648

#644648 is a dark, muted red. Relative luminance 0.076; OKLCH L 42.8% C 0.041 H 14.5°. Best body text is #FFFFFF at 8.36:1 contrast (WCAG AA passes).

Color values

HEX	#644648
RGB	rgb(100, 70, 72)
HSL	hsl(356, 18%, 33%)
HSV	hsv(356, 30%, 39%)
CMYK	cmyk(0%, 30%, 28%, 60.8%)
CIE-LAB	lab(33.04, 13.20, 3.93)
CIE-LCH	lch(33.04, 13.78, 16.57°)
OKLab	oklab(42.78% 0.0401 0.0104)
OKLCH	oklch(42.78% 0.041 14.5)
XYZ	xyz(8.6156, 7.5580, 7.1347)
Luminance	0.0756 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#644648 #466462

analogous

#644657 #644648 #645346

triadic

#644648 #486446 #464864

tetradic

#644648 #576446 #466462 #534664

square

#644648 #576446 #466462 #534664

split-complementary

#644648 #466453 #465764

monochromatic

#1C1414 #402D2E #644648 #885F62 #A57F82

Accessibility & contrast

On white

8.36

#644648 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.51

#644648 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #644648

8.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##644648	#FFFFFF	#000000	##FFFFFF
##644648	1.00	8.36	2.51	8.36
#FFFFFF	8.36	1.00	21.00	1.00
#000000	2.51	21.00	1.00	21.00
##FFFFFF	8.36	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4B4A48

Deuteranopia (green-blind)

#525048

Tritanopia (blue-blind)

#6A4347

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #644648;
/* rgb */ color: rgb(100, 70, 72);
/* oklch */ color: oklch(42.8% 0.041 14.5);

Tailwind

colors: {
  custom: {
    50: '#91797a',
    500: '#644648',
    950: '#000000',
  },
}

SCSS

$custom: #644648;
$custom-light: #91797a;
$custom-dark: #000000;

JSON

{
  "hex": "#644648",
  "rgb": {
    "r": 100,
    "g": 70,
    "b": 72
  },
  "hsl": {
    "h": 356,
    "s": 17.647,
    "l": 33.333
  },
  "oklch": {
    "l": 0.42784,
    "c": 0.04147,
    "h": 14.5
  },
  "luminance": 0.07558
}

Semantic roles & 50–950 ramp

primary

#644648

secondary

#749290

accent

#BAB56D

background

#F8F7F7

surface

#F0EDED

border

#CBC8C8

text

#0D0909

muted

#7D7B7B

Preview Lab

Preview with #644648

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

Preview Lab → · Contrast checker → · Palette generator →