#642F28#642F28

#642F28 is a dark, moderate red. Relative luminance 0.049; OKLCH L 37.5% C 0.078 H 29.0°. Best body text is #FFFFFF at 10.61:1 contrast (WCAG AA passes).

Color values

HEX	#642F28
RGB	rgb(100, 47, 40)
HSL	hsl(7, 43%, 27%)
HSV	hsv(7, 60%, 39%)
CMYK	cmyk(0%, 53%, 60%, 60.8%)
CIE-LAB	lab(26.44, 23.17, 15.56)
CIE-LCH	lch(26.44, 27.91, 33.89°)
OKLab	oklab(37.46% 0.0683 0.0379)
OKLCH	oklch(37.46% 0.078 29)
XYZ	xyz(6.6556, 4.8963, 2.6017)
Luminance	0.0490 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#642F28 #285D64

analogous

#64283F #642F28 #644D28

triadic

#642F28 #28642F #2F2864

tetradic

#642F28 #3F6428 #285D64 #4D2864

square

#642F28 #3F6428 #285D64 #4D2864

split-complementary

#642F28 #28644D #283F64

monochromatic

#160A09 #381A17 #642F28 #904439 #B85B4E

Accessibility & contrast

On white

10.61

#642F28 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.98

#642F28 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #642F28

10.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##642F28	#FFFFFF	#000000	##FFFFFF
##642F28	1.00	10.61	1.98	10.61
#FFFFFF	10.61	1.00	21.00	1.00
#000000	1.98	21.00	1.00	21.00
##FFFFFF	10.61	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3C3827

Deuteranopia (green-blind)

#494327

Tritanopia (blue-blind)

#6D262D

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #642f28;
/* rgb */ color: rgb(100, 47, 40);
/* oklch */ color: oklch(37.5% 0.078 29.0);

Tailwind

colors: {
  custom: {
    50: '#946962',
    500: '#642f28',
    950: '#000000',
  },
}

SCSS

$custom: #642f28;
$custom-light: #946962;
$custom-dark: #000000;

JSON

{
  "hex": "#642f28",
  "rgb": {
    "r": 100,
    "g": 47,
    "b": 40
  },
  "hsl": {
    "h": 7,
    "s": 42.857,
    "l": 27.451
  },
  "oklch": {
    "l": 0.37465,
    "c": 0.07812,
    "h": 29
  },
  "luminance": 0.04896
}

Semantic roles & 50–950 ramp

primary

#642F28

secondary

#518F97

accent

#C4D355

background

#F9F6F5

surface

#F2EBEA

border

#CCC6C6

text

#0E0605

muted

#7E7A79

Preview Lab

Preview with #642F28

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

Preview Lab → · Contrast checker → · Palette generator →