#642D1D#642D1D

#642D1D is a dark, moderate red. Relative luminance 0.047; OKLCH L 36.9% C 0.084 H 37.0°. Best body text is #FFFFFF at 10.85:1 contrast (WCAG AA passes).

Color values

HEX	#642D1D
RGB	rgb(100, 45, 29)
HSL	hsl(14, 55%, 25%)
HSV	hsv(14, 71%, 39%)
CMYK	cmyk(0%, 55%, 71%, 60.8%)
CIE-LAB	lab(25.79, 23.46, 21.80)
CIE-LCH	lch(25.79, 32.03, 42.90°)
OKLab	oklab(36.91% 0.0671 0.0506)
OKLCH	oklch(36.91% 0.084 37)
XYZ	xyz(6.4163, 4.6756, 1.7268)
Luminance	0.0467 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#642D1D #1D5464

analogous

#641D30 #642D1D #64501D

triadic

#642D1D #1D642D #2D1D64

tetradic

#642D1D #30641D #1D5464 #501D64

square

#642D1D #30641D #1D5464 #501D64

split-complementary

#642D1D #1D6450 #1D3064

monochromatic

#180B07 #35180F #642D1D #93422B #C35839

Accessibility & contrast

On white

10.85

#642D1D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.94

#642D1D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #642D1D

10.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##642D1D	#FFFFFF	#000000	##FFFFFF
##642D1D	1.00	10.85	1.94	10.85
#FFFFFF	10.85	1.00	21.00	1.00
#000000	1.94	21.00	1.00	21.00
##FFFFFF	10.85	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3C361B

Deuteranopia (green-blind)

#49421C

Tritanopia (blue-blind)

#6E2229

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #642d1d;
/* rgb */ color: rgb(100, 45, 29);
/* oklch */ color: oklch(36.9% 0.084 37.0);

Tailwind

colors: {
  custom: {
    50: '#956759',
    500: '#642d1d',
    950: '#000000',
  },
}

SCSS

$custom: #642d1d;
$custom-light: #956759;
$custom-dark: #000000;

JSON

{
  "hex": "#642d1d",
  "rgb": {
    "r": 100,
    "g": 45,
    "b": 29
  },
  "hsl": {
    "h": 13.521,
    "s": 55.039,
    "l": 25.294
  },
  "oklch": {
    "l": 0.36911,
    "c": 0.08407,
    "h": 37
  },
  "luminance": 0.04675
}

Semantic roles & 50–950 ramp

primary

#642D1D

secondary

#448699

accent

#BDDE49

background

#F9F6F5

surface

#F2EBE9

border

#CCC6C5

text

#0E0603

muted

#7E7A78

Preview Lab

Preview with #642D1D

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

Preview Lab → · Contrast checker → · Palette generator →