#644C2F#644C2F

#644C2F is a dark, muted orange. Relative luminance 0.081; OKLCH L 43.5% C 0.054 H 70.9°. Best body text is #FFFFFF at 8.03:1 contrast (WCAG AA passes).

Color values

HEX#644C2F
RGBrgb(100, 76, 47)
HSLhsl(33, 36%, 29%)
HSVhsv(33, 53%, 39%)
CMYKcmyk(0%, 24%, 53%, 60.8%)
CIE-LABlab(34.16, 6.11, 21.07)
CIE-LCHlch(34.16, 21.93, 73.83°)
OKLaboklab(43.47% 0.0177 0.051)
OKLCHoklch(43.47% 0.054 70.9)
XYZxyz(8.3534, 8.0840, 3.8091)
Luminance0.0808 (WCAG relative)
Temperaturewarm
Familyorange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#644C2F #2F4764
analogous
#64322F #644C2F #62642F
triadic
#644C2F #2F644C #4C2F64
tetradic
#644C2F #2F6432 #2F4764 #642F62
square
#644C2F #2F6432 #2F4764 #642F62
split-complementary
#644C2F #2F6264 #322F64
monochromatic
#15100A #3A2C1B #644C2F #8E6C43 #B28B5B

Accessibility & contrast

On white

8.03
#644C2F on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.62
#644C2F on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #644C2F
8.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##644C2F#FFFFFF#000000##FFFFFF
##644C2F1.008.032.628.03
#FFFFFF8.031.0021.001.00
#0000002.6221.001.0021.00
##FFFFFF8.031.0021.001.00

Color blindness preview

Protanopia (red-blind)
#544D2D
Deuteranopia (green-blind)
#5A5330
Tritanopia (blue-blind)
#6C4645
Achromatopsia (no color)
#505050

Design tokens & code

CSS
--color: #644c2f;
/* rgb */ color: rgb(100, 76, 47);
/* oklch */ color: oklch(43.5% 0.054 70.9);
Tailwind
colors: {
  custom: {
    50: '#927e68',
    500: '#644c2f',
    950: '#000000',
  },
}
SCSS
$custom: #644c2f;
$custom-light: #927e68;
$custom-dark: #000000;
JSON
{
  "hex": "#644c2f",
  "rgb": {
    "r": 100,
    "g": 76,
    "b": 47
  },
  "hsl": {
    "h": 32.83,
    "s": 36.054,
    "l": 28.824
  },
  "oklch": {
    "l": 0.43466,
    "c": 0.05396,
    "h": 70.9
  },
  "luminance": 0.08083
}

Semantic roles & 50–950 ramp

primary
#644C2F
secondary
#597596
accent
#8FCC5C
background
#F9F7F6
surface
#F1EEEB
border
#CBC9C6
text
#0D0906
muted
#7E7B7A

Preview Lab

Preview with #644C2F

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

Preview Lab → · Contrast checker → · Palette generator →

#644C2F Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva