#642311#642311

#642311 is a dark, moderate red. Relative luminance 0.040; OKLCH L 35.1% C 0.099 H 36.1°. Best body text is #FFFFFF at 11.73:1 contrast (WCAG AA passes).

Color values

HEX	#642311
RGB	rgb(100, 35, 17)
HSL	hsl(13, 71%, 23%)
HSV	hsv(13, 83%, 39%)
CMYK	cmyk(0%, 65%, 83%, 60.8%)
CIE-LAB	lab(23.51, 28.30, 26.53)
CIE-LCH	lch(23.51, 38.80, 43.15°)
OKLab	oklab(35.14% 0.0796 0.0581)
OKLCH	oklch(35.14% 0.099 36.1)
XYZ	xyz(5.9584, 3.9527, 0.9794)
Luminance	0.0395 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#642311 #115264

analogous

#641128 #642311 #644C11

triadic

#642311 #116423 #231164

tetradic

#642311 #286411 #115264 #4C1164

square

#642311 #286411 #115264 #4C1164

split-complementary

#642311 #11644C #112864

monochromatic

#1A0904 #301108 #642311 #98351A #CD4823

Accessibility & contrast

On white

11.73

#642311 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.79

#642311 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #642311

11.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##642311	#FFFFFF	#000000	##FFFFFF
##642311	1.00	11.73	1.79	11.73
#FFFFFF	11.73	1.00	21.00	1.00
#000000	1.79	21.00	1.00	21.00
##FFFFFF	11.73	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#352F0F

Deuteranopia (green-blind)

#453D0F

Tritanopia (blue-blind)

#6F131F

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #642311;
/* rgb */ color: rgb(100, 35, 17);
/* oklch */ color: oklch(35.1% 0.099 36.1);

Tailwind

colors: {
  custom: {
    50: '#966150',
    500: '#642311',
    950: '#000000',
  },
}

SCSS

$custom: #642311;
$custom-light: #966150;
$custom-dark: #000000;

JSON

{
  "hex": "#642311",
  "rgb": {
    "r": 100,
    "g": 35,
    "b": 17
  },
  "hsl": {
    "h": 13.012,
    "s": 70.94,
    "l": 22.941
  },
  "oklch": {
    "l": 0.35137,
    "c": 0.09851,
    "h": 36.1
  },
  "luminance": 0.03952
}

Semantic roles & 50–950 ramp

primary

#642311

secondary

#35869C

accent

#C7EE3A

background

#F9F5F4

surface

#F2EAE7

border

#CCC6C3

text

#0F0502

muted

#7E7978

Preview Lab

Preview with #642311

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

Preview Lab → · Contrast checker → · Palette generator →