#643228#643228

#643228 is a dark, moderate red. Relative luminance 0.051; OKLCH L 38.0% C 0.074 H 32.5°. Best body text is #FFFFFF at 10.35:1 contrast (WCAG AA passes).

Color values

HEX	#643228
RGB	rgb(100, 50, 40)
HSL	hsl(10, 43%, 27%)
HSV	hsv(10, 60%, 39%)
CMYK	cmyk(0%, 50%, 60%, 60.8%)
CIE-LAB	lab(27.14, 21.40, 16.48)
CIE-LCH	lch(27.14, 27.01, 37.59°)
OKLab	oklab(38% 0.0628 0.04)
OKLCH	oklch(38% 0.074 32.5)
XYZ	xyz(6.7796, 5.1445, 2.6430)
Luminance	0.0514 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#643228 #285A64

analogous

#64283C #643228 #645028

triadic

#643228 #286432 #322864

tetradic

#643228 #3C6428 #285A64 #502864

square

#643228 #3C6428 #285A64 #502864

split-complementary

#643228 #286450 #283C64

monochromatic

#160B09 #381C17 #643228 #904839 #B8604E

Accessibility & contrast

On white

10.35

#643228 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.03

#643228 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #643228

10.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##643228	#FFFFFF	#000000	##FFFFFF
##643228	1.00	10.35	2.03	10.35
#FFFFFF	10.35	1.00	21.00	1.00
#000000	2.03	21.00	1.00	21.00
##FFFFFF	10.35	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3E3A27

Deuteranopia (green-blind)

#4B4427

Tritanopia (blue-blind)

#6D2A30

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #643228;
/* rgb */ color: rgb(100, 50, 40);
/* oklch */ color: oklch(38.0% 0.074 32.5);

Tailwind

colors: {
  custom: {
    50: '#946b62',
    500: '#643228',
    950: '#000000',
  },
}

SCSS

$custom: #643228;
$custom-light: #946b62;
$custom-dark: #000000;

JSON

{
  "hex": "#643228",
  "rgb": {
    "r": 100,
    "g": 50,
    "b": 40
  },
  "hsl": {
    "h": 10,
    "s": 42.857,
    "l": 27.451
  },
  "oklch": {
    "l": 0.38002,
    "c": 0.07449,
    "h": 32.5
  },
  "luminance": 0.05144
}

Semantic roles & 50–950 ramp

primary

#643228

secondary

#518B97

accent

#BED355

background

#F9F6F5

surface

#F2EBEA

border

#CCC6C6

text

#0E0605

muted

#7E7A79

Preview Lab

Preview with #643228

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

Preview Lab → · Contrast checker → · Palette generator →