#642E2F#642E2F

#642E2F is a dark, moderate red. Relative luminance 0.049; OKLCH L 37.5% C 0.078 H 20.4°. Best body text is #FFFFFF at 10.64:1 contrast (WCAG AA passes).

Color values

HEX	#642E2F
RGB	rgb(100, 46, 47)
HSL	hsl(359, 37%, 29%)
HSV	hsv(359, 54%, 39%)
CMYK	cmyk(0%, 54%, 53%, 60.8%)
CIE-LAB	lab(26.36, 24.44, 10.84)
CIE-LCH	lch(26.36, 26.73, 23.93°)
OKLab	oklab(37.45% 0.0733 0.0273)
OKLCH	oklch(37.45% 0.078 20.4)
XYZ	xyz(6.7461, 4.8693, 3.2734)
Luminance	0.0487 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#642E2F #2E6463

analogous

#642E4A #642E2F #64482E

triadic

#642E2F #2F642E #2E2F64

tetradic

#642E2F #4A642E #2E6463 #482E64

square

#642E2F #4A642E #2E6463 #482E64

split-complementary

#642E2F #2E6448 #2E4A64

monochromatic

#150A0A #3A1B1B #642E2F #8E4143 #B35A5B

Accessibility & contrast

On white

10.64

#642E2F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.97

#642E2F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #642E2F

10.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##642E2F	#FFFFFF	#000000	##FFFFFF
##642E2F	1.00	10.64	1.97	10.64
#FFFFFF	10.64	1.00	21.00	1.00
#000000	1.97	21.00	1.00	21.00
##FFFFFF	10.64	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3A382F

Deuteranopia (green-blind)

#47432E

Tritanopia (blue-blind)

#6D262F

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #642e2f;
/* rgb */ color: rgb(100, 46, 47);
/* oklch */ color: oklch(37.5% 0.078 20.4);

Tailwind

colors: {
  custom: {
    50: '#936867',
    500: '#642e2f',
    950: '#000000',
  },
}

SCSS

$custom: #642e2f;
$custom-light: #936867;
$custom-dark: #000000;

JSON

{
  "hex": "#642e2f",
  "rgb": {
    "r": 100,
    "g": 46,
    "b": 47
  },
  "hsl": {
    "h": 358.889,
    "s": 36.986,
    "l": 28.627
  },
  "oklch": {
    "l": 0.37454,
    "c": 0.07816,
    "h": 20.4
  },
  "luminance": 0.04869
}

Semantic roles & 50–950 ramp

primary

#642E2F

secondary

#589695

accent

#CDCB5B

background

#F9F6F6

surface

#F2EBEB

border

#CCC6C6

text

#0D0606

muted

#7E7A7A

Preview Lab

Preview with #642E2F

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

Preview Lab → · Contrast checker → · Palette generator →