#642736#642736

#642736 is a dark, moderate red. Relative luminance 0.044; OKLCH L 36.5% C 0.089 H 7.3°. Best body text is #FFFFFF at 11.14:1 contrast (WCAG AA passes).

Color values

HEX	#642736
RGB	rgb(100, 39, 54)
HSL	hsl(345, 44%, 27%)
HSV	hsv(345, 61%, 39%)
CMYK	cmyk(0%, 61%, 46%, 60.8%)
CIE-LAB	lab(25.04, 29.12, 4.30)
CIE-LCH	lch(25.04, 29.44, 8.40°)
OKLab	oklab(36.52% 0.0885 0.0114)
OKLCH	oklch(36.52% 0.089 7.3)
XYZ	xyz(6.6473, 4.4274, 3.9938)
Luminance	0.0443 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#642736 #276455

analogous

#642755 #642736 #643727

triadic

#642736 #366427 #273664

tetradic

#642736 #556427 #276455 #372764

square

#642736 #556427 #276455 #372764

split-complementary

#642736 #276437 #275564

monochromatic

#16090C #38161E #642736 #90384E #B94C67

Accessibility & contrast

On white

11.14

#642736 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.89

#642736 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #642736

11.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##642736	#FFFFFF	#000000	##FFFFFF
##642736	1.00	11.14	1.89	11.14
#FFFFFF	11.14	1.00	21.00	1.00
#000000	1.89	21.00	1.00	21.00
##FFFFFF	11.14	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#333436

Deuteranopia (green-blind)

#434035

Tritanopia (blue-blind)

#6D202D

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #642736;
/* rgb */ color: rgb(100, 39, 54);
/* oklch */ color: oklch(36.5% 0.089 7.3);

Tailwind

colors: {
  custom: {
    50: '#93646c',
    500: '#642736',
    950: '#000000',
  },
}

SCSS

$custom: #642736;
$custom-light: #93646c;
$custom-dark: #000000;

JSON

{
  "hex": "#642736",
  "rgb": {
    "r": 100,
    "g": 39,
    "b": 54
  },
  "hsl": {
    "h": 345.246,
    "s": 43.885,
    "l": 27.255
  },
  "oklch": {
    "l": 0.36517,
    "c": 0.08926,
    "h": 7.3
  },
  "luminance": 0.04427
}

Semantic roles & 50–950 ramp

primary

#642736

secondary

#509785

accent

#D4B454

background

#F9F6F6

surface

#F2EBEB

border

#CCC6C6

text

#0D0507

muted

#7E7A7A

Preview Lab

Preview with #642736

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

Preview Lab → · Contrast checker → · Palette generator →