#642D2A#642D2A

#642D2A is a dark, moderate red. Relative luminance 0.048; OKLCH L 37.2% C 0.080 H 24.9°. Best body text is #FFFFFF at 10.77:1 contrast (WCAG AA passes).

Color values

HEX	#642D2A
RGB	rgb(100, 45, 42)
HSL	hsl(3, 41%, 28%)
HSV	hsv(3, 58%, 39%)
CMYK	cmyk(0%, 55%, 58%, 60.8%)
CIE-LAB	lab(26.02, 24.51, 13.71)
CIE-LCH	lch(26.02, 28.08, 29.21°)
OKLab	oklab(37.16% 0.0728 0.0338)
OKLCH	oklch(37.16% 0.08 24.9)
XYZ	xyz(6.6123, 4.7540, 2.7594)
Luminance	0.0475 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#642D2A #2A6164

analogous

#642A44 #642D2A #644A2A

triadic

#642D2A #2A642D #2D2A64

tetradic

#642D2A #44642A #2A6164 #4A2A64

square

#642D2A #44642A #2A6164 #4A2A64

split-complementary

#642D2A #2A644A #2A4464

monochromatic

#160A09 #391A18 #642D2A #8F403C #B65752

Accessibility & contrast

On white

10.77

#642D2A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.95

#642D2A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #642D2A

10.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##642D2A	#FFFFFF	#000000	##FFFFFF
##642D2A	1.00	10.77	1.95	10.77
#FFFFFF	10.77	1.00	21.00	1.00
#000000	1.95	21.00	1.00	21.00
##FFFFFF	10.77	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3A3629

Deuteranopia (green-blind)

#484229

Tritanopia (blue-blind)

#6D242D

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #642d2a;
/* rgb */ color: rgb(100, 45, 42);
/* oklch */ color: oklch(37.2% 0.080 24.9);

Tailwind

colors: {
  custom: {
    50: '#946763',
    500: '#642d2a',
    950: '#000000',
  },
}

SCSS

$custom: #642d2a;
$custom-light: #946763;
$custom-dark: #000000;

JSON

{
  "hex": "#642d2a",
  "rgb": {
    "r": 100,
    "g": 45,
    "b": 42
  },
  "hsl": {
    "h": 3.103,
    "s": 40.845,
    "l": 27.843
  },
  "oklch": {
    "l": 0.37162,
    "c": 0.08024,
    "h": 24.9
  },
  "luminance": 0.04753
}

Semantic roles & 50–950 ramp

primary

#642D2A

secondary

#539396

accent

#CAD157

background

#F9F6F5

surface

#F2EBEA

border

#CCC6C6

text

#0E0605

muted

#7E7A79

Preview Lab

Preview with #642D2A

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

Preview Lab → · Contrast checker → · Palette generator →