#642A2D#642A2D

#642A2D is a dark, moderate red. Relative luminance 0.046; OKLCH L 36.7% C 0.084 H 19.0°. Best body text is #FFFFFF at 10.99:1 contrast (WCAG AA passes).

Color values

HEX	#642A2D
RGB	rgb(100, 42, 45)
HSL	hsl(357, 41%, 28%)
HSV	hsv(357, 58%, 39%)
CMYK	cmyk(0%, 58%, 55%, 60.8%)
CIE-LAB	lab(25.43, 26.50, 10.91)
CIE-LCH	lch(25.43, 28.66, 22.39°)
OKLab	oklab(36.74% 0.0794 0.0273)
OKLCH	oklch(36.74% 0.084 19)
XYZ	xyz(6.5576, 4.5555, 3.0161)
Luminance	0.0456 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#642A2D #2A6461

analogous

#642A4A #642A2D #64442A

triadic

#642A2D #2D642A #2A2D64

tetradic

#642A2D #4A642A #2A6461 #442A64

square

#642A2D #4A642A #2A6461 #442A64

split-complementary

#642A2D #2A6444 #2A4A64

monochromatic

#16090A #39181A #642A2D #8F3C40 #B65257

Accessibility & contrast

On white

10.99

#642A2D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.91

#642A2D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #642A2D

10.99:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##642A2D	#FFFFFF	#000000	##FFFFFF
##642A2D	1.00	10.99	1.91	10.99
#FFFFFF	10.99	1.00	21.00	1.00
#000000	1.91	21.00	1.00	21.00
##FFFFFF	10.99	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#37352D

Deuteranopia (green-blind)

#46412C

Tritanopia (blue-blind)

#6D212B

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #642a2d;
/* rgb */ color: rgb(100, 42, 45);
/* oklch */ color: oklch(36.7% 0.084 19.0);

Tailwind

colors: {
  custom: {
    50: '#946665',
    500: '#642a2d',
    950: '#000000',
  },
}

SCSS

$custom: #642a2d;
$custom-light: #946665;
$custom-dark: #000000;

JSON

{
  "hex": "#642a2d",
  "rgb": {
    "r": 100,
    "g": 42,
    "b": 45
  },
  "hsl": {
    "h": 356.897,
    "s": 40.845,
    "l": 27.843
  },
  "oklch": {
    "l": 0.36735,
    "c": 0.08401,
    "h": 19
  },
  "luminance": 0.04555
}

Semantic roles & 50–950 ramp

primary

#642A2D

secondary

#539693

accent

#D1CA57

background

#F9F6F6

surface

#F2EBEB

border

#CCC6C6

text

#0E0605

muted

#7E7A7A

Preview Lab

Preview with #642A2D

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

Preview Lab → · Contrast checker → · Palette generator →