#644C2E#644C2E

#644C2E is a dark, muted orange. Relative luminance 0.081; OKLCH L 43.4% C 0.055 H 71.7°. Best body text is #FFFFFF at 8.03:1 contrast (WCAG AA passes).

Color values

HEX#644C2E
RGBrgb(100, 76, 46)
HSLhsl(33, 37%, 29%)
HSVhsv(33, 54%, 39%)
CMYKcmyk(0%, 24%, 54%, 60.8%)
CIE-LABlab(34.14, 6.00, 21.65)
CIE-LCHlch(34.14, 22.46, 74.50°)
OKLaboklab(43.45% 0.0172 0.0522)
OKLCHoklch(43.45% 0.055 71.7)
XYZxyz(8.3335, 8.0760, 3.7041)
Luminance0.0808 (WCAG relative)
Temperaturewarm
Familyorange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#644C2E #2E4664
analogous
#64312E #644C2E #61642E
triadic
#644C2E #2E644C #4C2E64
tetradic
#644C2E #2E6431 #2E4664 #642E61
square
#644C2E #2E6431 #2E4664 #642E61
split-complementary
#644C2E #2E6164 #312E64
monochromatic
#15100A #3A2C1B #644C2E #8E6C41 #B38B5A

Accessibility & contrast

On white

8.03
#644C2E on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.62
#644C2E on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #644C2E
8.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##644C2E#FFFFFF#000000##FFFFFF
##644C2E1.008.032.628.03
#FFFFFF8.031.0021.001.00
#0000002.6221.001.0021.00
##FFFFFF8.031.0021.001.00

Color blindness preview

Protanopia (red-blind)
#554D2C
Deuteranopia (green-blind)
#5A532F
Tritanopia (blue-blind)
#6C4645
Achromatopsia (no color)
#505050

Design tokens & code

CSS
--color: #644c2e;
/* rgb */ color: rgb(100, 76, 46);
/* oklch */ color: oklch(43.4% 0.055 71.7);
Tailwind
colors: {
  custom: {
    50: '#927e67',
    500: '#644c2e',
    950: '#000000',
  },
}
SCSS
$custom: #644c2e;
$custom-light: #927e67;
$custom-dark: #000000;
JSON
{
  "hex": "#644c2e",
  "rgb": {
    "r": 100,
    "g": 76,
    "b": 46
  },
  "hsl": {
    "h": 33.333,
    "s": 36.986,
    "l": 28.627
  },
  "oklch": {
    "l": 0.43448,
    "c": 0.05499,
    "h": 71.7
  },
  "luminance": 0.08075
}

Semantic roles & 50–950 ramp

primary
#644C2E
secondary
#587396
accent
#8ECD5B
background
#F9F7F6
surface
#F1EEEB
border
#CBC9C6
text
#0D0906
muted
#7E7B7A

Preview Lab

Preview with #644C2E

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

Preview Lab → · Contrast checker → · Palette generator →

#644C2E Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva