#644C29#644C29

#644C29 is a dark, moderate orange. Relative luminance 0.080; OKLCH L 43.4% C 0.060 H 75.5°. Best body text is #FFFFFF at 8.05:1 contrast (WCAG AA passes).

Color values

HEX#644C29
RGBrgb(100, 76, 41)
HSLhsl(36, 42%, 28%)
HSVhsv(36, 59%, 39%)
CMYKcmyk(0%, 24%, 59%, 60.8%)
CIE-LABlab(34.06, 5.51, 24.50)
CIE-LCHlch(34.06, 25.11, 77.33°)
OKLaboklab(43.36% 0.0151 0.0581)
OKLCHoklch(43.36% 0.06 75.5)
XYZxyz(8.2406, 8.0388, 3.2150)
Luminance0.0804 (WCAG relative)
Temperaturewarm
Familyorange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#644C29 #294164
analogous
#642E29 #644C29 #5F6429
triadic
#644C29 #29644C #4C2964
tetradic
#644C29 #29642E #294164 #64295F
square
#644C29 #29642E #294164 #64295F
split-complementary
#644C29 #295F64 #2E2964
monochromatic
#161009 #392B17 #644C29 #8F6D3B #B78D50

Accessibility & contrast

On white

8.05
#644C29 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.61
#644C29 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #644C29
8.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##644C29#FFFFFF#000000##FFFFFF
##644C291.008.052.618.05
#FFFFFF8.051.0021.001.00
#0000002.6121.001.0021.00
##FFFFFF8.051.0021.001.00

Color blindness preview

Protanopia (red-blind)
#554D26
Deuteranopia (green-blind)
#5B522A
Tritanopia (blue-blind)
#6C4644
Achromatopsia (no color)
#505050

Design tokens & code

CSS
--color: #644c29;
/* rgb */ color: rgb(100, 76, 41);
/* oklch */ color: oklch(43.4% 0.060 75.5);
Tailwind
colors: {
  custom: {
    50: '#927d63',
    500: '#644c29',
    950: '#000000',
  },
}
SCSS
$custom: #644c29;
$custom-light: #927d63;
$custom-dark: #000000;
JSON
{
  "hex": "#644c29",
  "rgb": {
    "r": 100,
    "g": 76,
    "b": 41
  },
  "hsl": {
    "h": 35.593,
    "s": 41.844,
    "l": 27.647
  },
  "oklch": {
    "l": 0.43363,
    "c": 0.06004,
    "h": 75.5
  },
  "luminance": 0.08038
}

Semantic roles & 50–950 ramp

primary
#644C29
secondary
#526E96
accent
#88D256
background
#F9F7F5
surface
#F1EEEA
border
#CBC9C6
text
#0D0905
muted
#7E7B79

Preview Lab

Preview with #644C29

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

Preview Lab → · Contrast checker → · Palette generator →

#644C29 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva