#642A2F#642A2F

#642A2F is a dark, moderate red. Relative luminance 0.046; OKLCH L 36.8% C 0.084 H 16.9°. Best body text is #FFFFFF at 10.97:1 contrast (WCAG AA passes).

Color values

HEX	#642A2F
RGB	rgb(100, 42, 47)
HSL	hsl(355, 41%, 28%)
HSV	hsv(355, 58%, 39%)
CMYK	cmyk(0%, 58%, 53%, 60.8%)
CIE-LAB	lab(25.48, 26.70, 9.64)
CIE-LCH	lch(25.48, 28.39, 19.85°)
OKLab	oklab(36.79% 0.0803 0.0244)
OKLCH	oklch(36.79% 0.084 16.9)
XYZ	xyz(6.5971, 4.5712, 3.2237)
Luminance	0.0457 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#642A2F #2A645F

analogous

#642A4C #642A2F #64422A

triadic

#642A2F #2F642A #2A2F64

tetradic

#642A2F #4C642A #2A645F #422A64

square

#642A2F #4C642A #2A645F #422A64

split-complementary

#642A2F #2A6442 #2A4C64

monochromatic

#16090A #39181B #642A2F #8F3C43 #B6525B

Accessibility & contrast

On white

10.97

#642A2F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.91

#642A2F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #642A2F

10.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##642A2F	#FFFFFF	#000000	##FFFFFF
##642A2F	1.00	10.97	1.91	10.97
#FFFFFF	10.97	1.00	21.00	1.00
#000000	1.91	21.00	1.00	21.00
##FFFFFF	10.97	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#37352F

Deuteranopia (green-blind)

#45412E

Tritanopia (blue-blind)

#6D222C

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #642a2f;
/* rgb */ color: rgb(100, 42, 47);
/* oklch */ color: oklch(36.8% 0.084 16.9);

Tailwind

colors: {
  custom: {
    50: '#946667',
    500: '#642a2f',
    950: '#000000',
  },
}

SCSS

$custom: #642a2f;
$custom-light: #946667;
$custom-dark: #000000;

JSON

{
  "hex": "#642a2f",
  "rgb": {
    "r": 100,
    "g": 42,
    "b": 47
  },
  "hsl": {
    "h": 354.828,
    "s": 40.845,
    "l": 27.843
  },
  "oklch": {
    "l": 0.36787,
    "c": 0.08395,
    "h": 16.9
  },
  "luminance": 0.0457
}

Semantic roles & 50–950 ramp

primary

#642A2F

secondary

#539691

accent

#D1C657

background

#F9F6F6

surface

#F2EBEB

border

#CCC6C6

text

#0E0606

muted

#7E7A7A

Preview Lab

Preview with #642A2F

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

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