#642F2C#642F2C

#642F2C is a dark, moderate red. Relative luminance 0.049; OKLCH L 37.6% C 0.077 H 24.8°. Best body text is #FFFFFF at 10.58:1 contrast (WCAG AA passes).

Color values

HEX	#642F2C
RGB	rgb(100, 47, 44)
HSL	hsl(3, 39%, 28%)
HSV	hsv(3, 56%, 39%)
CMYK	cmyk(0%, 53%, 56%, 60.8%)
CIE-LAB	lab(26.52, 23.55, 13.05)
CIE-LCH	lch(26.52, 26.92, 28.99°)
OKLab	oklab(37.55% 0.0701 0.0323)
OKLCH	oklch(37.55% 0.077 24.8)
XYZ	xyz(6.7272, 4.9249, 2.9787)
Luminance	0.0492 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#642F2C #2C6164

analogous

#642C45 #642F2C #644B2C

triadic

#642F2C #2C642F #2F2C64

tetradic

#642F2C #45642C #2C6164 #4B2C64

square

#642F2C #45642C #2C6164 #4B2C64

split-complementary

#642F2C #2C644B #2C4564

monochromatic

#150A09 #391B19 #642F2C #8E433F #B55B56

Accessibility & contrast

On white

10.58

#642F2C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.98

#642F2C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #642F2C

10.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##642F2C	#FFFFFF	#000000	##FFFFFF
##642F2C	1.00	10.58	1.98	10.58
#FFFFFF	10.58	1.00	21.00	1.00
#000000	1.98	21.00	1.00	21.00
##FFFFFF	10.58	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3B382B

Deuteranopia (green-blind)

#48432B

Tritanopia (blue-blind)

#6D272F

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #642f2c;
/* rgb */ color: rgb(100, 47, 44);
/* oklch */ color: oklch(37.6% 0.077 24.8);

Tailwind

colors: {
  custom: {
    50: '#936965',
    500: '#642f2c',
    950: '#000000',
  },
}

SCSS

$custom: #642f2c;
$custom-light: #936965;
$custom-dark: #000000;

JSON

{
  "hex": "#642f2c",
  "rgb": {
    "r": 100,
    "g": 47,
    "b": 44
  },
  "hsl": {
    "h": 3.214,
    "s": 38.889,
    "l": 28.235
  },
  "oklch": {
    "l": 0.37554,
    "c": 0.0772,
    "h": 24.8
  },
  "luminance": 0.04924
}

Semantic roles & 50–950 ramp

primary

#642F2C

secondary

#569396

accent

#C8CF59

background

#F9F6F6

surface

#F2EBEB

border

#CCC6C6

text

#0D0605

muted

#7E7A7A

Preview Lab

Preview with #642F2C

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

Preview Lab → · Contrast checker → · Palette generator →