#643E13#643E13

#643E13 is a dark, moderate orange. Relative luminance 0.062; OKLCH L 40.0% C 0.077 H 65.1°. Best body text is #FFFFFF at 9.37:1 contrast (WCAG AA passes).

Color values

HEX#643E13
RGBrgb(100, 62, 19)
HSLhsl(32, 68%, 23%)
HSVhsv(32, 81%, 39%)
CMYKcmyk(0%, 38%, 81%, 60.8%)
CIE-LABlab(29.92, 12.62, 31.88)
CIE-LCHlch(29.92, 34.28, 68.40°)
OKLaboklab(40.05% 0.0326 0.0701)
OKLCHoklch(40.05% 0.077 65.1)
XYZxyz(7.0963, 6.2023, 1.4394)
Luminance0.0620 (WCAG relative)
Temperaturewarm
Familyorange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#643E13 #133964
analogous
#641613 #643E13 #616413
triadic
#643E13 #13643E #3E1364
tetradic
#643E13 #136416 #133964 #641361
square
#643E13 #136416 #133964 #641361
split-complementary
#643E13 #136164 #161364
monochromatic
#1A1005 #311E09 #643E13 #975E1D #CB7E27

Accessibility & contrast

On white

9.37
#643E13 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.24
#643E13 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #643E13
9.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##643E13#FFFFFF#000000##FFFFFF
##643E131.009.372.249.37
#FFFFFF9.371.0021.001.00
#0000002.2421.001.0021.00
##FFFFFF9.371.0021.001.00

Color blindness preview

Protanopia (red-blind)
#4A410D
Deuteranopia (green-blind)
#534A14
Tritanopia (blue-blind)
#6E3535
Achromatopsia (no color)
#464646

Design tokens & code

CSS
--color: #643e13;
/* rgb */ color: rgb(100, 62, 19);
/* oklch */ color: oklch(40.0% 0.077 65.1);
Tailwind
colors: {
  custom: {
    50: '#947354',
    500: '#643e13',
    950: '#000000',
  },
}
SCSS
$custom: #643e13;
$custom-light: #947354;
$custom-dark: #000000;
JSON
{
  "hex": "#643e13",
  "rgb": {
    "r": 100,
    "g": 62,
    "b": 19
  },
  "hsl": {
    "h": 31.852,
    "s": 68.067,
    "l": 23.333
  },
  "oklch": {
    "l": 0.40048,
    "c": 0.07735,
    "h": 65.1
  },
  "luminance": 0.06202
}

Semantic roles & 50–950 ramp

primary
#643E13
secondary
#37669C
accent
#8FEB3D
background
#F9F6F4
surface
#F2ECE7
border
#CCC7C3
text
#0E0803
muted
#7E7B78

Preview Lab

Preview with #643E13

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

Preview Lab → · Contrast checker → · Palette generator →

#643E13 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva