#644D0F#644D0F

#644D0F is a dark, moderate orange. Relative luminance 0.081; OKLCH L 43.3% C 0.081 H 86.7°. Best body text is #FFFFFF at 8.04:1 contrast (WCAG AA passes).

Color values

HEX#644D0F
RGBrgb(100, 77, 15)
HSLhsl(44, 74%, 23%)
HSVhsv(44, 85%, 39%)
CMYKcmyk(0%, 23%, 85%, 60.8%)
CIE-LABlab(34.09, 3.18, 37.53)
CIE-LCHlch(34.09, 37.67, 85.16°)
OKLaboklab(43.3% 0.0046 0.0813)
OKLCHoklch(43.3% 0.081 86.7)
XYZxyz(7.9961, 8.0521, 1.5849)
Luminance0.0805 (WCAG relative)
Temperaturewarm
Familyorange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#644D0F #0F2664
analogous
#64230F #644D0F #50640F
triadic
#644D0F #0F644D #4D0F64
tetradic
#644D0F #0F6423 #0F2664 #640F50
square
#644D0F #0F6423 #0F2664 #640F50
split-complementary
#644D0F #0F5064 #230F64
monochromatic
#1B1404 #2F2407 #644D0F #997617 #CE9F1F

Accessibility & contrast

On white

8.04
#644D0F on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.61
#644D0F on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #644D0F
8.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##644D0F#FFFFFF#000000##FFFFFF
##644D0F1.008.042.618.04
#FFFFFF8.041.0021.001.00
#0000002.6121.001.0021.00
##FFFFFF8.041.0021.001.00

Color blindness preview

Protanopia (red-blind)
#584D03
Deuteranopia (green-blind)
#5D5313
Tritanopia (blue-blind)
#6D4541
Achromatopsia (no color)
#505050

Design tokens & code

CSS
--color: #644d0f;
/* rgb */ color: rgb(100, 77, 15);
/* oklch */ color: oklch(43.3% 0.081 86.7);
Tailwind
colors: {
  custom: {
    50: '#947e53',
    500: '#644d0f',
    950: '#000000',
  },
}
SCSS
$custom: #644d0f;
$custom-light: #947e53;
$custom-dark: #000000;
JSON
{
  "hex": "#644d0f",
  "rgb": {
    "r": 100,
    "g": 77,
    "b": 15
  },
  "hsl": {
    "h": 43.765,
    "s": 73.913,
    "l": 22.549
  },
  "oklch": {
    "l": 0.43301,
    "c": 0.0814,
    "h": 86.7
  },
  "luminance": 0.08052
}

Semantic roles & 50–950 ramp

primary
#644D0F
secondary
#324F9D
accent
#69F137
background
#F9F7F4
surface
#F2EEE8
border
#CCC9C4
text
#0E0903
muted
#7E7B78

Preview Lab

Preview with #644D0F

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

Preview Lab → · Contrast checker → · Palette generator →

#644D0F Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva