#643313#643313

#643313 is a dark, moderate orange. Relative luminance 0.051; OKLCH L 37.9% C 0.083 H 50.6°. Best body text is #FFFFFF at 10.37:1 contrast (WCAG AA passes).

Color values

HEX#643313
RGBrgb(100, 51, 19)
HSLhsl(24, 68%, 23%)
HSVhsv(24, 81%, 39%)
CMYKcmyk(0%, 49%, 81%, 60.8%)
CIE-LABlab(27.09, 19.35, 29.05)
CIE-LCHlch(27.09, 34.91, 56.34°)
OKLaboklab(37.86% 0.0527 0.0641)
OKLCHoklch(37.86% 0.083 50.6)
XYZxyz(6.5575, 5.1247, 1.2598)
Luminance0.0512 (WCAG relative)
Temperaturewarm
Familyorange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#643313 #134464
analogous
#64131B #643313 #645B13
triadic
#643313 #136433 #331364
tetradic
#643313 #1B6413 #134464 #5B1364
square
#643313 #1B6413 #134464 #5B1364
split-complementary
#643313 #13645B #131B64
monochromatic
#1A0D05 #311909 #643313 #974D1D #CB6727

Accessibility & contrast

On white

10.37
#643313 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.02
#643313 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #643313
10.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##643313#FFFFFF#000000##FFFFFF
##6433131.0010.372.0210.37
#FFFFFF10.371.0021.001.00
#0000002.0221.001.0021.00
##FFFFFF10.371.0021.001.00

Color blindness preview

Protanopia (red-blind)
#41390F
Deuteranopia (green-blind)
#4D4412
Tritanopia (blue-blind)
#6E292C
Achromatopsia (no color)
#404040

Design tokens & code

CSS
--color: #643313;
/* rgb */ color: rgb(100, 51, 19);
/* oklch */ color: oklch(37.9% 0.083 50.6);
Tailwind
colors: {
  custom: {
    50: '#956b53',
    500: '#643313',
    950: '#000000',
  },
}
SCSS
$custom: #643313;
$custom-light: #956b53;
$custom-dark: #000000;
JSON
{
  "hex": "#643313",
  "rgb": {
    "r": 100,
    "g": 51,
    "b": 19
  },
  "hsl": {
    "h": 23.704,
    "s": 68.067,
    "l": 23.333
  },
  "oklch": {
    "l": 0.37864,
    "c": 0.08296,
    "h": 50.6
  },
  "luminance": 0.05124
}

Semantic roles & 50–950 ramp

primary
#643313
secondary
#37749C
accent
#A6EB3D
background
#F9F6F4
surface
#F2EBE7
border
#CCC6C3
text
#0E0602
muted
#7E7A78

Preview Lab

Preview with #643313

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

Preview Lab → · Contrast checker → · Palette generator →

#643313 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva