#644F2F#644F2F

#644F2F is a dark, muted orange. Relative luminance 0.085; OKLCH L 44.1% C 0.055 H 77.1°. Best body text is #FFFFFF at 7.77:1 contrast (WCAG AA passes).

Color values

HEX#644F2F
RGBrgb(100, 79, 47)
HSLhsl(36, 36%, 29%)
HSVhsv(36, 53%, 39%)
CMYKcmyk(0%, 21%, 53%, 60.8%)
CIE-LABlab(35.02, 4.26, 22.15)
CIE-LCHlch(35.02, 22.55, 79.11°)
OKLaboklab(44.14% 0.0122 0.0534)
OKLCHoklch(44.14% 0.055 77.1)
XYZxyz(8.5650, 8.5070, 3.8797)
Luminance0.0851 (WCAG relative)
Temperaturewarm
Familyorange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#644F2F #2F4464
analogous
#64352F #644F2F #5F642F
triadic
#644F2F #2F644F #4F2F64
tetradic
#644F2F #2F6435 #2F4464 #642F5F
square
#644F2F #2F6435 #2F4464 #642F5F
split-complementary
#644F2F #2F5F64 #352F64
monochromatic
#15100A #3A2E1B #644F2F #8E7043 #B2905B

Accessibility & contrast

On white

7.77
#644F2F on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.70
#644F2F on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #644F2F
7.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##644F2F#FFFFFF#000000##FFFFFF
##644F2F1.007.772.707.77
#FFFFFF7.771.0021.001.00
#0000002.7021.001.0021.00
##FFFFFF7.771.0021.001.00

Color blindness preview

Protanopia (red-blind)
#574F2C
Deuteranopia (green-blind)
#5C5430
Tritanopia (blue-blind)
#6C4947
Achromatopsia (no color)
#525252

Design tokens & code

CSS
--color: #644f2f;
/* rgb */ color: rgb(100, 79, 47);
/* oklch */ color: oklch(44.1% 0.055 77.1);
Tailwind
colors: {
  custom: {
    50: '#928068',
    500: '#644f2f',
    950: '#000000',
  },
}
SCSS
$custom: #644f2f;
$custom-light: #928068;
$custom-dark: #000000;
JSON
{
  "hex": "#644f2f",
  "rgb": {
    "r": 100,
    "g": 79,
    "b": 47
  },
  "hsl": {
    "h": 36.226,
    "s": 36.054,
    "l": 28.824
  },
  "oklch": {
    "l": 0.4414,
    "c": 0.05481,
    "h": 77.1
  },
  "luminance": 0.08507
}

Semantic roles & 50–950 ramp

primary
#644F2F
secondary
#597196
accent
#88CC5C
background
#F9F7F6
surface
#F1EEEB
border
#CBC9C6
text
#0D0A06
muted
#7E7C7A

Preview Lab

Preview with #644F2F

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

Preview Lab → · Contrast checker → · Palette generator →

#644F2F Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva