#643134#643134

#643134 is a dark, moderate red. Relative luminance 0.052; OKLCH L 38.1% C 0.073 H 17.5°. Best body text is #FFFFFF at 10.34:1 contrast (WCAG AA passes).

Color values

HEX	#643134
RGB	rgb(100, 49, 52)
HSL	hsl(356, 34%, 29%)
HSV	hsv(356, 51%, 39%)
CMYK	cmyk(0%, 51%, 48%, 60.8%)
CIE-LAB	lab(27.17, 23.24, 8.64)
CIE-LCH	lch(27.17, 24.80, 20.39°)
OKLab	oklab(38.11% 0.0701 0.0221)
OKLCH	oklch(38.11% 0.073 17.5)
XYZ	xyz(6.9741, 5.1546, 3.8758)
Luminance	0.0515 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#643134 #316461

analogous

#64314E #643134 #644831

triadic

#643134 #346431 #313464

tetradic

#643134 #4E6431 #316461 #483164

square

#643134 #4E6431 #316461 #483164

split-complementary

#643134 #316448 #314E64

monochromatic

#150A0B #3B1D1F #643134 #8D4549 #B15F64

Accessibility & contrast

On white

10.34

#643134 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.03

#643134 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #643134

10.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##643134	#FFFFFF	#000000	##FFFFFF
##643134	1.00	10.34	2.03	10.34
#FFFFFF	10.34	1.00	21.00	1.00
#000000	2.03	21.00	1.00	21.00
##FFFFFF	10.34	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3C3A34

Deuteranopia (green-blind)

#484433

Tritanopia (blue-blind)

#6D2B32

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #643134;
/* rgb */ color: rgb(100, 49, 52);
/* oklch */ color: oklch(38.1% 0.073 17.5);

Tailwind

colors: {
  custom: {
    50: '#936a6b',
    500: '#643134',
    950: '#000000',
  },
}

SCSS

$custom: #643134;
$custom-light: #936a6b;
$custom-dark: #000000;

JSON

{
  "hex": "#643134",
  "rgb": {
    "r": 100,
    "g": 49,
    "b": 52
  },
  "hsl": {
    "h": 356.471,
    "s": 34.228,
    "l": 29.216
  },
  "oklch": {
    "l": 0.3811,
    "c": 0.07348,
    "h": 17.5
  },
  "luminance": 0.05154
}

Semantic roles & 50–950 ramp

primary

#643134

secondary

#5C9592

accent

#CAC45D

background

#F9F6F6

surface

#F2EBEB

border

#CCC6C6

text

#0D0606

muted

#7E7A7A

Preview Lab

Preview with #643134

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

Preview Lab → · Contrast checker → · Palette generator →