#644A16#644A16

#644A16 is a dark, moderate orange. Relative luminance 0.077; OKLCH L 42.7% C 0.076 H 81.1°. Best body text is #FFFFFF at 8.29:1 contrast (WCAG AA passes).

Color values

HEX#644A16
RGBrgb(100, 74, 22)
HSLhsl(40, 64%, 24%)
HSVhsv(40, 78%, 39%)
CMYKcmyk(0%, 26%, 78%, 60.8%)
CIE-LABlab(33.28, 5.34, 33.78)
CIE-LCHlch(33.28, 34.20, 81.01°)
OKLaboklab(42.68% 0.0118 0.0749)
OKLCHoklch(42.68% 0.076 81.1)
XYZxyz(7.8496, 7.6654, 1.8250)
Luminance0.0766 (WCAG relative)
Temperaturewarm
Familyorange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#644A16 #163064
analogous
#642316 #644A16 #576416
triadic
#644A16 #16644A #4A1664
tetradic
#644A16 #166423 #163064 #641657
square
#644A16 #166423 #163064 #641657
split-complementary
#644A16 #165764 #231664
monochromatic
#191306 #32250B #644A16 #966F21 #C8942C

Accessibility & contrast

On white

8.29
#644A16 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.53
#644A16 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #644A16
8.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##644A16#FFFFFF#000000##FFFFFF
##644A161.008.292.538.29
#FFFFFF8.291.0021.001.00
#0000002.5321.001.0021.00
##FFFFFF8.291.0021.001.00

Color blindness preview

Protanopia (red-blind)
#554A0F
Deuteranopia (green-blind)
#5B5118
Tritanopia (blue-blind)
#6D423F
Achromatopsia (no color)
#4E4E4E

Design tokens & code

CSS
--color: #644a16;
/* rgb */ color: rgb(100, 74, 22);
/* oklch */ color: oklch(42.7% 0.076 81.1);
Tailwind
colors: {
  custom: {
    50: '#947c57',
    500: '#644a16',
    950: '#000000',
  },
}
SCSS
$custom: #644a16;
$custom-light: #947c57;
$custom-dark: #000000;
JSON
{
  "hex": "#644a16",
  "rgb": {
    "r": 100,
    "g": 74,
    "b": 22
  },
  "hsl": {
    "h": 40,
    "s": 63.934,
    "l": 23.922
  },
  "oklch": {
    "l": 0.42676,
    "c": 0.07583,
    "h": 81.1
  },
  "luminance": 0.07665
}

Semantic roles & 50–950 ramp

primary
#644A16
secondary
#3B5B9B
accent
#78E741
background
#F9F7F5
surface
#F2EEE9
border
#CCC9C5
text
#0E0903
muted
#7E7B78

Preview Lab

Preview with #644A16

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

Preview Lab → · Contrast checker → · Palette generator →

#644A16 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva