#642B35#642B35

#642B35 is a dark, moderate red. Relative luminance 0.047; OKLCH L 37.1% C 0.083 H 11.1°. Best body text is #FFFFFF at 10.83:1 contrast (WCAG AA passes).

Color values

HEX	#642B35
RGB	rgb(100, 43, 53)
HSL	hsl(349, 40%, 28%)
HSV	hsv(349, 57%, 39%)
CMYK	cmyk(0%, 57%, 47%, 60.8%)
CIE-LAB	lab(25.85, 26.81, 6.12)
CIE-LCH	lch(25.85, 27.50, 12.87°)
OKLab	oklab(37.12% 0.0813 0.0159)
OKLCH	oklch(37.12% 0.083 11.1)
XYZ	xyz(6.7624, 4.6948, 3.9175)
Luminance	0.0469 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#642B35 #2B645A

analogous

#642B51 #642B35 #643D2B

triadic

#642B35 #35642B #2B3564

tetradic

#642B35 #51642B #2B645A #3D2B64

square

#642B35 #51642B #2B645A #3D2B64

split-complementary

#642B35 #2B643D #2B5164

monochromatic

#15090B #39191E #642B35 #8F3D4C #B55465

Accessibility & contrast

On white

10.83

#642B35 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.94

#642B35 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #642B35

10.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##642B35	#FFFFFF	#000000	##FFFFFF
##642B35	1.00	10.83	1.94	10.83
#FFFFFF	10.83	1.00	21.00	1.00
#000000	1.94	21.00	1.00	21.00
##FFFFFF	10.83	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#363635

Deuteranopia (green-blind)

#454134

Tritanopia (blue-blind)

#6D242F

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #642b35;
/* rgb */ color: rgb(100, 43, 53);
/* oklch */ color: oklch(37.1% 0.083 11.1);

Tailwind

colors: {
  custom: {
    50: '#93666c',
    500: '#642b35',
    950: '#000000',
  },
}

SCSS

$custom: #642b35;
$custom-light: #93666c;
$custom-dark: #000000;

JSON

{
  "hex": "#642b35",
  "rgb": {
    "r": 100,
    "g": 43,
    "b": 53
  },
  "hsl": {
    "h": 349.474,
    "s": 39.86,
    "l": 28.039
  },
  "oklch": {
    "l": 0.37117,
    "c": 0.08279,
    "h": 11.1
  },
  "luminance": 0.04694
}

Semantic roles & 50–950 ramp

primary

#642B35

secondary

#55968B

accent

#D0BB58

background

#F9F6F6

surface

#F2EBEB

border

#CCC6C6

text

#0D0606

muted

#7E7A7A

Preview Lab

Preview with #642B35

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

Preview Lab → · Contrast checker → · Palette generator →