#643F12#643F12

#643F12 is a dark, moderate orange. Relative luminance 0.063; OKLCH L 40.2% C 0.078 H 66.9°. Best body text is #FFFFFF at 9.29:1 contrast (WCAG AA passes).

Color values

HEX#643F12
RGBrgb(100, 63, 18)
HSLhsl(33, 69%, 23%)
HSVhsv(33, 82%, 39%)
CMYKcmyk(0%, 37%, 82%, 60.8%)
CIE-LABlab(30.18, 11.95, 32.61)
CIE-LCHlch(30.18, 34.73, 69.87°)
OKLaboklab(40.25% 0.0305 0.0715)
OKLCHoklch(40.25% 0.078 66.9)
XYZxyz(7.1428, 6.3087, 1.4137)
Luminance0.0631 (WCAG relative)
Temperaturewarm
Familyorange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#643F12 #123764
analogous
#641612 #643F12 #606412
triadic
#643F12 #12643F #3F1264
tetradic
#643F12 #126416 #123764 #641260
square
#643F12 #126416 #123764 #641260
split-complementary
#643F12 #126064 #161264
monochromatic
#1A1005 #301E09 #643F12 #98601B #CC8025

Accessibility & contrast

On white

9.29
#643F12 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.26
#643F12 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #643F12
9.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##643F12#FFFFFF#000000##FFFFFF
##643F121.009.292.269.29
#FFFFFF9.291.0021.001.00
#0000002.2621.001.0021.00
##FFFFFF9.291.0021.001.00

Color blindness preview

Protanopia (red-blind)
#4B420B
Deuteranopia (green-blind)
#544A13
Tritanopia (blue-blind)
#6E3636
Achromatopsia (no color)
#474747

Design tokens & code

CSS
--color: #643f12;
/* rgb */ color: rgb(100, 63, 18);
/* oklch */ color: oklch(40.2% 0.078 66.9);
Tailwind
colors: {
  custom: {
    50: '#947453',
    500: '#643f12',
    950: '#000000',
  },
}
SCSS
$custom: #643f12;
$custom-light: #947453;
$custom-dark: #000000;
JSON
{
  "hex": "#643f12",
  "rgb": {
    "r": 100,
    "g": 63,
    "b": 18
  },
  "hsl": {
    "h": 32.927,
    "s": 69.492,
    "l": 23.137
  },
  "oklch": {
    "l": 0.40248,
    "c": 0.0777,
    "h": 66.9
  },
  "luminance": 0.06308
}

Semantic roles & 50–950 ramp

primary
#643F12
secondary
#36649C
accent
#8BEC3B
background
#F9F7F4
surface
#F2EDE7
border
#CCC8C3
text
#0E0802
muted
#7E7B78

Preview Lab

Preview with #643F12

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

Preview Lab → · Contrast checker → · Palette generator →

#643F12 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva