#642F2A#642F2A

#642F2A is a dark, moderate red. Relative luminance 0.049; OKLCH L 37.5% C 0.078 H 26.9°. Best body text is #FFFFFF at 10.60:1 contrast (WCAG AA passes).

Color values

HEX	#642F2A
RGB	rgb(100, 47, 42)
HSL	hsl(5, 41%, 28%)
HSV	hsv(5, 58%, 39%)
CMYK	cmyk(0%, 53%, 58%, 60.8%)
CIE-LAB	lab(26.48, 23.35, 14.31)
CIE-LCH	lch(26.48, 27.39, 31.49°)
OKLab	oklab(37.51% 0.0692 0.0352)
OKLCH	oklch(37.51% 0.078 26.9)
XYZ	xyz(6.6905, 4.9103, 2.7855)
Luminance	0.0491 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#642F2A #2A5F64

analogous

#642A42 #642F2A #644C2A

triadic

#642F2A #2A642F #2F2A64

tetradic

#642F2A #42642A #2A5F64 #4C2A64

square

#642F2A #42642A #2A5F64 #4C2A64

split-complementary

#642F2A #2A644C #2A4264

monochromatic

#160A09 #391B18 #642F2A #8F433C #B65B52

Accessibility & contrast

On white

10.60

#642F2A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.98

#642F2A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #642F2A

10.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##642F2A	#FFFFFF	#000000	##FFFFFF
##642F2A	1.00	10.60	1.98	10.60
#FFFFFF	10.60	1.00	21.00	1.00
#000000	1.98	21.00	1.00	21.00
##FFFFFF	10.60	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3C3829

Deuteranopia (green-blind)

#494329

Tritanopia (blue-blind)

#6D272E

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #642f2a;
/* rgb */ color: rgb(100, 47, 42);
/* oklch */ color: oklch(37.5% 0.078 26.9);

Tailwind

colors: {
  custom: {
    50: '#946963',
    500: '#642f2a',
    950: '#000000',
  },
}

SCSS

$custom: #642f2a;
$custom-light: #946963;
$custom-dark: #000000;

JSON

{
  "hex": "#642f2a",
  "rgb": {
    "r": 100,
    "g": 47,
    "b": 42
  },
  "hsl": {
    "h": 5.172,
    "s": 40.845,
    "l": 27.843
  },
  "oklch": {
    "l": 0.37508,
    "c": 0.07762,
    "h": 26.9
  },
  "luminance": 0.0491
}

Semantic roles & 50–950 ramp

primary

#642F2A

secondary

#539196

accent

#C6D157

background

#F9F6F5

surface

#F2EBEA

border

#CCC6C6

text

#0E0605

muted

#7E7A79

Preview Lab

Preview with #642F2A

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

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