#642A2A#642A2A

#642A2A is a dark, moderate red. Relative luminance 0.045; OKLCH L 36.7% C 0.084 H 22.1°. Best body text is #FFFFFF at 11.02:1 contrast (WCAG AA passes).

Color values

HEX	#642A2A
RGB	rgb(100, 42, 42)
HSL	hsl(0, 41%, 28%)
HSV	hsv(0, 58%, 39%)
CMYK	cmyk(0%, 58%, 58%, 60.8%)
CIE-LAB	lab(25.36, 26.21, 12.83)
CIE-LCH	lch(25.36, 29.18, 26.08°)
OKLab	oklab(36.66% 0.0781 0.0317)
OKLCH	oklch(36.66% 0.084 22.1)
XYZ	xyz(6.5019, 4.5332, 2.7226)
Luminance	0.0453 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#642A2A #2A6464

analogous

#642A47 #642A2A #64472A

triadic

#642A2A #2A642A #2A2A64

tetradic

#642A2A #47642A #2A6464 #472A64

square

#642A2A #47642A #2A6464 #472A64

split-complementary

#642A2A #2A6447 #2A4764

monochromatic

#160909 #391818 #642A2A #8F3C3C #B65252

Accessibility & contrast

On white

11.02

#642A2A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.91

#642A2A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #642A2A

11.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##642A2A	#FFFFFF	#000000	##FFFFFF
##642A2A	1.00	11.02	1.91	11.02
#FFFFFF	11.02	1.00	21.00	1.00
#000000	1.91	21.00	1.00	21.00
##FFFFFF	11.02	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#38352A

Deuteranopia (green-blind)

#464129

Tritanopia (blue-blind)

#6D212A

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #642a2a;
/* rgb */ color: rgb(100, 42, 42);
/* oklch */ color: oklch(36.7% 0.084 22.1);

Tailwind

colors: {
  custom: {
    50: '#946663',
    500: '#642a2a',
    950: '#000000',
  },
}

SCSS

$custom: #642a2a;
$custom-light: #946663;
$custom-dark: #000000;

JSON

{
  "hex": "#642a2a",
  "rgb": {
    "r": 100,
    "g": 42,
    "b": 42
  },
  "hsl": {
    "h": 0,
    "s": 40.845,
    "l": 27.843
  },
  "oklch": {
    "l": 0.36662,
    "c": 0.08428,
    "h": 22.1
  },
  "luminance": 0.04532
}

Semantic roles & 50–950 ramp

primary

#642A2A

secondary

#539696

accent

#D1D157

background

#F9F6F5

surface

#F2EBEA

border

#CCC6C6

text

#0E0605

muted

#7E7A79

Preview Lab

Preview with #642A2A

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

Preview Lab → · Contrast checker → · Palette generator →