#642E33#642E33

#642E33 is a dark, moderate red. Relative luminance 0.049; OKLCH L 37.6% C 0.078 H 15.8°. Best body text is #FFFFFF at 10.60:1 contrast (WCAG AA passes).

Color values

HEX	#642E33
RGB	rgb(100, 46, 51)
HSL	hsl(354, 37%, 29%)
HSV	hsv(354, 54%, 39%)
CMYK	cmyk(0%, 54%, 49%, 60.8%)
CIE-LAB	lab(26.46, 24.88, 8.32)
CIE-LCH	lch(26.46, 26.23, 18.48°)
OKLab	oklab(37.56% 0.0751 0.0213)
OKLCH	oklch(37.56% 0.078 15.8)
XYZ	xyz(6.8305, 4.9030, 3.7180)
Luminance	0.0490 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#642E33 #2E645F

analogous

#642E4E #642E33 #64442E

triadic

#642E33 #33642E #2E3364

tetradic

#642E33 #4E642E #2E645F #442E64

square

#642E33 #4E642E #2E645F #442E64

split-complementary

#642E33 #2E6444 #2E4E64

monochromatic

#150A0B #3A1B1E #642E33 #8E4148 #B35A62

Accessibility & contrast

On white

10.60

#642E33 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.98

#642E33 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #642E33

10.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##642E33	#FFFFFF	#000000	##FFFFFF
##642E33	1.00	10.60	1.98	10.60
#FFFFFF	10.60	1.00	21.00	1.00
#000000	1.98	21.00	1.00	21.00
##FFFFFF	10.60	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#393833

Deuteranopia (green-blind)

#474332

Tritanopia (blue-blind)

#6D2730

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #642e33;
/* rgb */ color: rgb(100, 46, 51);
/* oklch */ color: oklch(37.6% 0.078 15.8);

Tailwind

colors: {
  custom: {
    50: '#93686a',
    500: '#642e33',
    950: '#000000',
  },
}

SCSS

$custom: #642e33;
$custom-light: #93686a;
$custom-dark: #000000;

JSON

{
  "hex": "#642e33",
  "rgb": {
    "r": 100,
    "g": 46,
    "b": 51
  },
  "hsl": {
    "h": 354.444,
    "s": 36.986,
    "l": 28.627
  },
  "oklch": {
    "l": 0.3756,
    "c": 0.07801,
    "h": 15.8
  },
  "luminance": 0.04902
}

Semantic roles & 50–950 ramp

primary

#642E33

secondary

#589690

accent

#CDC25B

background

#F9F6F6

surface

#F2EBEB

border

#CCC6C6

text

#0D0606

muted

#7E7A7A

Preview Lab

Preview with #642E33

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

Preview Lab → · Contrast checker → · Palette generator →