#643913#643913

#643913 is a dark, moderate orange. Relative luminance 0.057; OKLCH L 39.0% C 0.079 H 58.2°. Best body text is #FFFFFF at 9.83:1 contrast (WCAG AA passes).

Color values

HEX#643913
RGBrgb(100, 57, 19)
HSLhsl(28, 68%, 23%)
HSVhsv(28, 81%, 39%)
CMYKcmyk(0%, 43%, 81%, 60.8%)
CIE-LABlab(28.60, 15.70, 30.57)
CIE-LCHlch(28.60, 34.37, 62.81°)
OKLaboklab(39.03% 0.0418 0.0673)
OKLCHoklch(39.03% 0.079 58.2)
XYZxyz(6.8368, 5.6833, 1.3529)
Luminance0.0568 (WCAG relative)
Temperaturewarm
Familyorange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#643913 #133E64
analogous
#641316 #643913 #646113
triadic
#643913 #136439 #391364
tetradic
#643913 #166413 #133E64 #611364
square
#643913 #166413 #133E64 #611364
split-complementary
#643913 #136461 #131664
monochromatic
#1A0F05 #311C09 #643913 #97561D #CB7427

Accessibility & contrast

On white

9.83
#643913 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.14
#643913 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #643913
9.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##643913#FFFFFF#000000##FFFFFF
##6439131.009.832.149.83
#FFFFFF9.831.0021.001.00
#0000002.1421.001.0021.00
##FFFFFF9.831.0021.001.00

Color blindness preview

Protanopia (red-blind)
#463D0E
Deuteranopia (green-blind)
#504713
Tritanopia (blue-blind)
#6E3031
Achromatopsia (no color)
#434343

Design tokens & code

CSS
--color: #643913;
/* rgb */ color: rgb(100, 57, 19);
/* oklch */ color: oklch(39.0% 0.079 58.2);
Tailwind
colors: {
  custom: {
    50: '#956f53',
    500: '#643913',
    950: '#000000',
  },
}
SCSS
$custom: #643913;
$custom-light: #956f53;
$custom-dark: #000000;
JSON
{
  "hex": "#643913",
  "rgb": {
    "r": 100,
    "g": 57,
    "b": 19
  },
  "hsl": {
    "h": 28.148,
    "s": 68.067,
    "l": 23.333
  },
  "oklch": {
    "l": 0.39028,
    "c": 0.07925,
    "h": 58.2
  },
  "luminance": 0.05683
}

Semantic roles & 50–950 ramp

primary
#643913
secondary
#376C9C
accent
#99EB3D
background
#F9F6F4
surface
#F2ECE7
border
#CCC7C3
text
#0E0702
muted
#7E7A78

Preview Lab

Preview with #643913

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

Preview Lab → · Contrast checker → · Palette generator →

#643913 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva