#644A2E#644A2E

#644A2E is a dark, muted orange. Relative luminance 0.078; OKLCH L 43.0% C 0.055 H 67.6°. Best body text is #FFFFFF at 8.20:1 contrast (WCAG AA passes).

Color values

HEX#644A2E
RGBrgb(100, 74, 46)
HSLhsl(31, 37%, 29%)
HSVhsv(31, 54%, 39%)
CMYKcmyk(0%, 26%, 54%, 60.8%)
CIE-LABlab(33.57, 7.24, 20.93)
CIE-LCHlch(33.57, 22.15, 70.92°)
OKLaboklab(43% 0.0209 0.0506)
OKLCHoklch(43% 0.055 67.6)
XYZxyz(8.1978, 7.8047, 3.6589)
Luminance0.0780 (WCAG relative)
Temperaturewarm
Familyorange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#644A2E #2E4864
analogous
#642F2E #644A2E #63642E
triadic
#644A2E #2E644A #4A2E64
tetradic
#644A2E #2E642F #2E4864 #642E63
square
#644A2E #2E642F #2E4864 #642E63
split-complementary
#644A2E #2E6364 #2F2E64
monochromatic
#15100A #3A2B1B #644A2E #8E6941 #B3885A

Accessibility & contrast

On white

8.20
#644A2E on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.56
#644A2E on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #644A2E
8.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##644A2E#FFFFFF#000000##FFFFFF
##644A2E1.008.202.568.20
#FFFFFF8.201.0021.001.00
#0000002.5621.001.0021.00
##FFFFFF8.201.0021.001.00

Color blindness preview

Protanopia (red-blind)
#534B2C
Deuteranopia (green-blind)
#59512F
Tritanopia (blue-blind)
#6C4443
Achromatopsia (no color)
#4F4F4F

Design tokens & code

CSS
--color: #644a2e;
/* rgb */ color: rgb(100, 74, 46);
/* oklch */ color: oklch(43.0% 0.055 67.6);
Tailwind
colors: {
  custom: {
    50: '#927c67',
    500: '#644a2e',
    950: '#000000',
  },
}
SCSS
$custom: #644a2e;
$custom-light: #927c67;
$custom-dark: #000000;
JSON
{
  "hex": "#644a2e",
  "rgb": {
    "r": 100,
    "g": 74,
    "b": 46
  },
  "hsl": {
    "h": 31.111,
    "s": 36.986,
    "l": 28.627
  },
  "oklch": {
    "l": 0.43004,
    "c": 0.05475,
    "h": 67.6
  },
  "luminance": 0.07804
}

Semantic roles & 50–950 ramp

primary
#644A2E
secondary
#587696
accent
#92CD5B
background
#F9F7F6
surface
#F1EEEB
border
#CBC9C6
text
#0D0906
muted
#7E7B7A

Preview Lab

Preview with #644A2E

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

Preview Lab → · Contrast checker → · Palette generator →

#644A2E Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva