#642C2F#642C2F

#642C2F is a dark, moderate red. Relative luminance 0.047; OKLCH L 37.1% C 0.081 H 18.6°. Best body text is #FFFFFF at 10.81:1 contrast (WCAG AA passes).

Color values

HEX	#642C2F
RGB	rgb(100, 44, 47)
HSL	hsl(357, 39%, 28%)
HSV	hsv(357, 56%, 39%)
CMYK	cmyk(0%, 56%, 53%, 60.8%)
CIE-LAB	lab(25.91, 25.58, 10.24)
CIE-LCH	lch(25.91, 27.55, 21.81°)
OKLab	oklab(37.12% 0.0768 0.0258)
OKLCH	oklch(37.12% 0.081 18.6)
XYZ	xyz(6.6698, 4.7167, 3.2479)
Luminance	0.0472 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#642C2F #2C6461

analogous

#642C4B #642C2F #64452C

triadic

#642C2F #2F642C #2C2F64

tetradic

#642C2F #4B642C #2C6461 #452C64

square

#642C2F #4B642C #2C6461 #452C64

split-complementary

#642C2F #2C6445 #2C4B64

monochromatic

#15090A #39191B #642C2F #8E3F43 #B5565B

Accessibility & contrast

On white

10.81

#642C2F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.94

#642C2F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #642C2F

10.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##642C2F	#FFFFFF	#000000	##FFFFFF
##642C2F	1.00	10.81	1.94	10.81
#FFFFFF	10.81	1.00	21.00	1.00
#000000	1.94	21.00	1.00	21.00
##FFFFFF	10.81	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#38362F

Deuteranopia (green-blind)

#46422E

Tritanopia (blue-blind)

#6D242D

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #642c2f;
/* rgb */ color: rgb(100, 44, 47);
/* oklch */ color: oklch(37.1% 0.081 18.6);

Tailwind

colors: {
  custom: {
    50: '#936767',
    500: '#642c2f',
    950: '#000000',
  },
}

SCSS

$custom: #642c2f;
$custom-light: #936767;
$custom-dark: #000000;

JSON

{
  "hex": "#642c2f",
  "rgb": {
    "r": 100,
    "g": 44,
    "b": 47
  },
  "hsl": {
    "h": 356.786,
    "s": 38.889,
    "l": 28.235
  },
  "oklch": {
    "l": 0.37116,
    "c": 0.08104,
    "h": 18.6
  },
  "luminance": 0.04716
}

Semantic roles & 50–950 ramp

primary

#642C2F

secondary

#569693

accent

#CFC859

background

#F9F6F6

surface

#F2EBEB

border

#CCC6C6

text

#0D0606

muted

#7E7A7A

Preview Lab

Preview with #642C2F

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

Preview Lab → · Contrast checker → · Palette generator →