#642729#642729

#642729 is a dark, moderate red. Relative luminance 0.043; OKLCH L 36.2% C 0.088 H 20.6°. Best body text is #FFFFFF at 11.27:1 contrast (WCAG AA passes).

Color values

HEX	#642729
RGB	rgb(100, 39, 41)
HSL	hsl(358, 44%, 27%)
HSV	hsv(358, 61%, 39%)
CMYK	cmyk(0%, 61%, 59%, 60.8%)
CIE-LAB	lab(24.71, 27.77, 12.62)
CIE-LCH	lch(24.71, 30.50, 24.45°)
OKLab	oklab(36.16% 0.0828 0.0312)
OKLCH	oklch(36.16% 0.088 20.6)
XYZ	xyz(6.3818, 4.3212, 2.5954)
Luminance	0.0432 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#642729 #276462

analogous

#642748 #642729 #644427

triadic

#642729 #296427 #272964

tetradic

#642729 #486427 #276462 #442764

square

#642729 #486427 #276462 #442764

split-complementary

#642729 #276444 #274864

monochromatic

#160909 #381617 #642729 #90383B #B94C50

Accessibility & contrast

On white

11.27

#642729 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.86

#642729 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #642729

11.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##642729	#FFFFFF	#000000	##FFFFFF
##642729	1.00	11.27	1.86	11.27
#FFFFFF	11.27	1.00	21.00	1.00
#000000	1.86	21.00	1.00	21.00
##FFFFFF	11.27	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#353329

Deuteranopia (green-blind)

#453F28

Tritanopia (blue-blind)

#6E1D28

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #642729;
/* rgb */ color: rgb(100, 39, 41);
/* oklch */ color: oklch(36.2% 0.088 20.6);

Tailwind

colors: {
  custom: {
    50: '#946462',
    500: '#642729',
    950: '#000000',
  },
}

SCSS

$custom: #642729;
$custom-light: #946462;
$custom-dark: #000000;

JSON

{
  "hex": "#642729",
  "rgb": {
    "r": 100,
    "g": 39,
    "b": 41
  },
  "hsl": {
    "h": 358.033,
    "s": 43.885,
    "l": 27.255
  },
  "oklch": {
    "l": 0.3616,
    "c": 0.08849,
    "h": 20.6
  },
  "luminance": 0.0432
}

Semantic roles & 50–950 ramp

primary

#642729

secondary

#509795

accent

#D4CF54

background

#F9F6F5

surface

#F2EBEA

border

#CCC6C6

text

#0E0505

muted

#7E7A79

Preview Lab

Preview with #642729

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

Preview Lab → · Contrast checker → · Palette generator →