#642817#642817

#642817 is a dark, moderate red. Relative luminance 0.043; OKLCH L 36.0% C 0.091 H 36.6°. Best body text is #FFFFFF at 11.30:1 contrast (WCAG AA passes).

Color values

HEX	#642817
RGB	rgb(100, 40, 23)
HSL	hsl(13, 63%, 24%)
HSV	hsv(13, 77%, 39%)
CMYK	cmyk(0%, 60%, 77%, 60.8%)
CIE-LAB	lab(24.61, 25.92, 24.14)
CIE-LCH	lch(24.61, 35.42, 42.97°)
OKLab	oklab(35.99% 0.0735 0.0545)
OKLCH	oklch(35.99% 0.091 36.6)
XYZ	xyz(6.1696, 4.2896, 1.3135)
Luminance	0.0429 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#642817 #175364

analogous

#64172D #642817 #644F17

triadic

#642817 #176428 #281764

tetradic

#642817 #2D6417 #175364 #4F1764

square

#642817 #2D6417 #175364 #4F1764

split-complementary

#642817 #17644F #172D64

monochromatic

#190A06 #32140C #642817 #963C22 #C8502E

Accessibility & contrast

On white

11.30

#642817 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.86

#642817 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #642817

11.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##642817	#FFFFFF	#000000	##FFFFFF
##642817	1.00	11.30	1.86	11.30
#FFFFFF	11.30	1.00	21.00	1.00
#000000	1.86	21.00	1.00	21.00
##FFFFFF	11.30	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#383215

Deuteranopia (green-blind)

#473F15

Tritanopia (blue-blind)

#6E1B24

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #642817;
/* rgb */ color: rgb(100, 40, 23);
/* oklch */ color: oklch(36.0% 0.091 36.6);

Tailwind

colors: {
  custom: {
    50: '#966455',
    500: '#642817',
    950: '#000000',
  },
}

SCSS

$custom: #642817;
$custom-light: #966455;
$custom-dark: #000000;

JSON

{
  "hex": "#642817",
  "rgb": {
    "r": 100,
    "g": 40,
    "b": 23
  },
  "hsl": {
    "h": 13.247,
    "s": 62.602,
    "l": 24.118
  },
  "oklch": {
    "l": 0.35985,
    "c": 0.09149,
    "h": 36.6
  },
  "luminance": 0.04289
}

Semantic roles & 50–950 ramp

primary

#642817

secondary

#3C869A

accent

#C2E642

background

#F9F6F4

surface

#F2EBE7

border

#CCC6C3

text

#0E0503

muted

#7E7A78

Preview Lab

Preview with #642817

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

Preview Lab → · Contrast checker → · Palette generator →