#644C16#644C16

#644C16 is a dark, moderate orange. Relative luminance 0.079; OKLCH L 43.1% C 0.077 H 83.8°. Best body text is #FFFFFF at 8.12:1 contrast (WCAG AA passes).

Color values

HEX#644C16
RGBrgb(100, 76, 22)
HSLhsl(42, 64%, 24%)
HSVhsv(42, 78%, 39%)
CMYKcmyk(0%, 24%, 78%, 60.8%)
CIE-LABlab(33.85, 4.11, 34.35)
CIE-LCHlch(33.85, 34.59, 83.17°)
OKLaboklab(43.13% 0.0082 0.0761)
OKLCHoklch(43.13% 0.077 83.8)
XYZxyz(7.9853, 7.9367, 1.8703)
Luminance0.0794 (WCAG relative)
Temperaturewarm
Familyorange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#644C16 #162E64
analogous
#642516 #644C16 #556416
triadic
#644C16 #16644C #4C1664
tetradic
#644C16 #166425 #162E64 #641655
square
#644C16 #166425 #162E64 #641655
split-complementary
#644C16 #165564 #251664
monochromatic
#191306 #32260B #644C16 #967221 #C8982C

Accessibility & contrast

On white

8.12
#644C16 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.59
#644C16 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #644C16
8.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##644C16#FFFFFF#000000##FFFFFF
##644C161.008.122.598.12
#FFFFFF8.121.0021.001.00
#0000002.5921.001.0021.00
##FFFFFF8.121.0021.001.00

Color blindness preview

Protanopia (red-blind)
#564C0E
Deuteranopia (green-blind)
#5C5218
Tritanopia (blue-blind)
#6D4441
Achromatopsia (no color)
#505050

Design tokens & code

CSS
--color: #644c16;
/* rgb */ color: rgb(100, 76, 22);
/* oklch */ color: oklch(43.1% 0.077 83.8);
Tailwind
colors: {
  custom: {
    50: '#937d57',
    500: '#644c16',
    950: '#000000',
  },
}
SCSS
$custom: #644c16;
$custom-light: #937d57;
$custom-dark: #000000;
JSON
{
  "hex": "#644c16",
  "rgb": {
    "r": 100,
    "g": 76,
    "b": 22
  },
  "hsl": {
    "h": 41.538,
    "s": 63.934,
    "l": 23.922
  },
  "oklch": {
    "l": 0.43127,
    "c": 0.07657,
    "h": 83.8
  },
  "luminance": 0.07936
}

Semantic roles & 50–950 ramp

primary
#644C16
secondary
#3B599B
accent
#74E741
background
#F9F7F5
surface
#F2EEE9
border
#CCC9C5
text
#0E0903
muted
#7E7B78

Preview Lab

Preview with #644C16

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

Preview Lab → · Contrast checker → · Palette generator →

#644C16 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva