#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
RGBrgb(100, 35, 17)
HSLhsl(13, 71%, 23%)
HSVhsv(13, 83%, 39%)
CMYKcmyk(0%, 65%, 83%, 60.8%)
CIE-LABlab(23.51, 28.30, 26.53)
CIE-LCHlch(23.51, 38.80, 43.15°)
OKLaboklab(35.14% 0.0796 0.0581)
OKLCHoklch(35.14% 0.099 36.1)
XYZxyz(5.9584, 3.9527, 0.9794)
Luminance0.0395 (WCAG relative)
Temperaturewarm
Familyred

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
##6423111.0011.731.7911.73
#FFFFFF11.731.0021.001.00
#0000001.7921.001.0021.00
##FFFFFF11.731.0021.001.00

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 →

#642311 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva