#644645#644645

#644645 is a dark, muted red. Relative luminance 0.075; OKLCH L 42.7% C 0.042 H 21.1°. Best body text is #FFFFFF at 8.39:1 contrast (WCAG AA passes).

Color values

HEX	#644645
RGB	rgb(100, 70, 69)
HSL	hsl(2, 18%, 33%)
HSV	hsv(2, 31%, 39%)
CMYK	cmyk(0%, 30%, 31%, 60.8%)
CIE-LAB	lab(32.96, 12.73, 5.73)
CIE-LCH	lch(32.96, 13.96, 24.23°)
OKLab	oklab(42.69% 0.0388 0.015)
OKLCH	oklch(42.69% 0.042 21.1)
XYZ	xyz(8.5201, 7.5198, 6.6318)
Luminance	0.0752 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#644645 #456364

analogous

#644553 #644645 #645545

triadic

#644645 #456446 #464564

tetradic

#644645 #536445 #456364 #554564

square

#644645 #536445 #456364 #554564

split-complementary

#644645 #456455 #455364

monochromatic

#1C1313 #402D2C #644645 #885F5E #A67F7E

Accessibility & contrast

On white

8.39

#644645 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.50

#644645 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #644645

8.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##644645	#FFFFFF	#000000	##FFFFFF
##644645	1.00	8.39	2.50	8.39
#FFFFFF	8.39	1.00	21.00	1.00
#000000	2.50	21.00	1.00	21.00
##FFFFFF	8.39	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4C4A45

Deuteranopia (green-blind)

#535045

Tritanopia (blue-blind)

#6A4346

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #644645;
/* rgb */ color: rgb(100, 70, 69);
/* oklch */ color: oklch(42.7% 0.042 21.1);

Tailwind

colors: {
  custom: {
    50: '#917978',
    500: '#644645',
    950: '#000000',
  },
}

SCSS

$custom: #644645;
$custom-light: #917978;
$custom-dark: #000000;

JSON

{
  "hex": "#644645",
  "rgb": {
    "r": 100,
    "g": 70,
    "b": 69
  },
  "hsl": {
    "h": 1.935,
    "s": 18.343,
    "l": 33.137
  },
  "oklch": {
    "l": 0.42693,
    "c": 0.04159,
    "h": 21.1
  },
  "luminance": 0.07519
}

Semantic roles & 50–950 ramp

primary

#644645

secondary

#729192

accent

#B8BB6D

background

#F9F7F7

surface

#F1EDED

border

#CBC8C8

text

#0D0909

muted

#7E7B7B

Preview Lab

Preview with #644645

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

Preview Lab → · Contrast checker → · Palette generator →