#64431B#64431B

#64431B is a dark, moderate orange. Relative luminance 0.068; OKLCH L 41.2% C 0.071 H 68.6°. Best body text is #FFFFFF at 8.90:1 contrast (WCAG AA passes).

Color values

HEX#64431B
RGBrgb(100, 67, 27)
HSLhsl(33, 57%, 25%)
HSVhsv(33, 73%, 39%)
CMYKcmyk(0%, 33%, 73%, 60.8%)
CIE-LABlab(31.36, 9.97, 29.26)
CIE-LCHlch(31.36, 30.91, 71.18°)
OKLaboklab(41.19% 0.0261 0.0664)
OKLCHoklch(41.19% 0.071 68.6)
XYZxyz(7.4610, 6.8034, 1.9569)
Luminance0.0680 (WCAG relative)
Temperaturewarm
Familyorange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#64431B #1B3C64
analogous
#641F1B #64431B #60641B
triadic
#64431B #1B6443 #431B64
tetradic
#64431B #1B641F #1B3C64 #641B60
square
#64431B #1B641F #1B3C64 #641B60
split-complementary
#64431B #1B6064 #1F1B64
monochromatic
#181007 #34230E #64431B #946328 #C48435

Accessibility & contrast

On white

8.90
#64431B on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.36
#64431B on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #64431B
8.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##64431B#FFFFFF#000000##FFFFFF
##64431B1.008.902.368.90
#FFFFFF8.901.0021.001.00
#0000002.3621.001.0021.00
##FFFFFF8.901.0021.001.00

Color blindness preview

Protanopia (red-blind)
#4E4517
Deuteranopia (green-blind)
#564D1C
Tritanopia (blue-blind)
#6D3B3A
Achromatopsia (no color)
#4A4A4A

Design tokens & code

CSS
--color: #64431b;
/* rgb */ color: rgb(100, 67, 27);
/* oklch */ color: oklch(41.2% 0.071 68.6);
Tailwind
colors: {
  custom: {
    50: '#947759',
    500: '#64431b',
    950: '#000000',
  },
}
SCSS
$custom: #64431b;
$custom-light: #947759;
$custom-dark: #000000;
JSON
{
  "hex": "#64431b",
  "rgb": {
    "r": 100,
    "g": 67,
    "b": 27
  },
  "hsl": {
    "h": 32.877,
    "s": 57.48,
    "l": 24.902
  },
  "oklch": {
    "l": 0.4119,
    "c": 0.0713,
    "h": 68.6
  },
  "luminance": 0.06803
}

Semantic roles & 50–950 ramp

primary
#64431B
secondary
#416999
accent
#8DE147
background
#F9F7F5
surface
#F2EDE9
border
#CCC8C5
text
#0E0803
muted
#7E7B78

Preview Lab

Preview with #64431B

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

Preview Lab → · Contrast checker → · Palette generator →

#64431B Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva