#642A2E#642A2E

#642A2E is a dark, moderate red. Relative luminance 0.046; OKLCH L 36.8% C 0.084 H 17.9°. Best body text is #FFFFFF at 10.98:1 contrast (WCAG AA passes).

Color values

HEX	#642A2E
RGB	rgb(100, 42, 46)
HSL	hsl(356, 41%, 28%)
HSV	hsv(356, 58%, 39%)
CMYK	cmyk(0%, 58%, 54%, 60.8%)
CIE-LAB	lab(25.45, 26.60, 10.28)
CIE-LCH	lch(25.45, 28.52, 21.12°)
OKLab	oklab(36.76% 0.0799 0.0259)
OKLCH	oklch(36.76% 0.084 17.9)
XYZ	xyz(6.5771, 4.5633, 3.1187)
Luminance	0.0456 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#642A2E #2A6460

analogous

#642A4B #642A2E #64432A

triadic

#642A2E #2E642A #2A2E64

tetradic

#642A2E #4B642A #2A6460 #432A64

square

#642A2E #4B642A #2A6460 #432A64

split-complementary

#642A2E #2A6443 #2A4B64

monochromatic

#16090A #39181A #642A2E #8F3C42 #B65259

Accessibility & contrast

On white

10.98

#642A2E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.91

#642A2E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #642A2E

10.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##642A2E	#FFFFFF	#000000	##FFFFFF
##642A2E	1.00	10.98	1.91	10.98
#FFFFFF	10.98	1.00	21.00	1.00
#000000	1.91	21.00	1.00	21.00
##FFFFFF	10.98	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#37352E

Deuteranopia (green-blind)

#46412D

Tritanopia (blue-blind)

#6D212C

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #642a2e;
/* rgb */ color: rgb(100, 42, 46);
/* oklch */ color: oklch(36.8% 0.084 17.9);

Tailwind

colors: {
  custom: {
    50: '#946666',
    500: '#642a2e',
    950: '#000000',
  },
}

SCSS

$custom: #642a2e;
$custom-light: #946666;
$custom-dark: #000000;

JSON

{
  "hex": "#642a2e",
  "rgb": {
    "r": 100,
    "g": 42,
    "b": 46
  },
  "hsl": {
    "h": 355.862,
    "s": 40.845,
    "l": 27.843
  },
  "oklch": {
    "l": 0.36761,
    "c": 0.08397,
    "h": 17.9
  },
  "luminance": 0.04563
}

Semantic roles & 50–950 ramp

primary

#642A2E

secondary

#539692

accent

#D1C857

background

#F9F6F6

surface

#F2EBEB

border

#CCC6C6

text

#0E0606

muted

#7E7A7A

Preview Lab

Preview with #642A2E

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

Preview Lab → · Contrast checker → · Palette generator →