#644243#644243

#644243 is a dark, muted red. Relative luminance 0.070; OKLCH L 41.8% C 0.047 H 17.4°. Best body text is #FFFFFF at 8.74:1 contrast (WCAG AA passes).

Color values

HEX	#644243
RGB	rgb(100, 66, 67)
HSL	hsl(358, 20%, 33%)
HSV	hsv(358, 34%, 39%)
CMYK	cmyk(0%, 34%, 33%, 60.8%)
CIE-LAB	lab(31.83, 14.91, 5.40)
CIE-LCH	lch(31.83, 15.86, 19.92°)
OKLab	oklab(41.81% 0.0453 0.0142)
OKLCH	oklch(41.81% 0.047 17.4)
XYZ	xyz(8.2171, 7.0115, 6.2297)
Luminance	0.0701 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#644243 #426463

analogous

#644254 #644243 #645242

triadic

#644243 #436442 #424364

tetradic

#644243 #546442 #426463 #524264

square

#644243 #546442 #426463 #524264

split-complementary

#644243 #426452 #425464

monochromatic

#1A1112 #3F2A2A #644243 #895A5C #A77A7B

Accessibility & contrast

On white

8.74

#644243 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.40

#644243 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #644243

8.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##644243	#FFFFFF	#000000	##FFFFFF
##644243	1.00	8.74	2.40	8.74
#FFFFFF	8.74	1.00	21.00	1.00
#000000	2.40	21.00	1.00	21.00
##FFFFFF	8.74	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#484743

Deuteranopia (green-blind)

#504D42

Tritanopia (blue-blind)

#6B3F43

Achromatopsia (no color)

#4B4B4B

Design tokens & code

CSS

--color: #644243;
/* rgb */ color: rgb(100, 66, 67);
/* oklch */ color: oklch(41.8% 0.047 17.4);

Tailwind

colors: {
  custom: {
    50: '#917677',
    500: '#644243',
    950: '#000000',
  },
}

SCSS

$custom: #644243;
$custom-light: #917677;
$custom-dark: #000000;

JSON

{
  "hex": "#644243",
  "rgb": {
    "r": 100,
    "g": 66,
    "b": 67
  },
  "hsl": {
    "h": 358.235,
    "s": 20.482,
    "l": 32.549
  },
  "oklch": {
    "l": 0.41805,
    "c": 0.04747,
    "h": 17.4
  },
  "luminance": 0.07011
}

Semantic roles & 50–950 ramp

primary

#644243

secondary

#6F9392

accent

#BDBB6B

background

#F9F7F7

surface

#F1EDED

border

#CBC8C8

text

#0D0808

muted

#7E7B7B

Preview Lab

Preview with #644243

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

Preview Lab → · Contrast checker → · Palette generator →