#644818#644818

#644818 is a dark, moderate orange. Relative luminance 0.074; OKLCH L 42.2% C 0.074 H 77.5°. Best body text is #FFFFFF at 8.46:1 contrast (WCAG AA passes).

Color values

HEX#644818
RGBrgb(100, 72, 24)
HSLhsl(38, 61%, 24%)
HSVhsv(38, 76%, 39%)
CMYKcmyk(0%, 28%, 76%, 60.8%)
CIE-LABlab(32.72, 6.69, 32.25)
CIE-LCHlch(32.72, 32.94, 78.28°)
OKLaboklab(42.25% 0.016 0.0721)
OKLCHoklch(42.25% 0.074 77.5)
XYZxyz(7.7383, 7.4106, 1.8868)
Luminance0.0741 (WCAG relative)
Temperaturewarm
Familyorange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#644818 #183464
analogous
#642218 #644818 #5A6418
triadic
#644818 #186448 #481864
tetradic
#644818 #186422 #183464 #64185A
square
#644818 #186422 #183464 #64185A
split-complementary
#644818 #185A64 #221864
monochromatic
#191206 #33240C #644818 #956C24 #C78F30

Accessibility & contrast

On white

8.46
#644818 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.48
#644818 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #644818
8.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##644818#FFFFFF#000000##FFFFFF
##6448181.008.462.488.46
#FFFFFF8.461.0021.001.00
#0000002.4821.001.0021.00
##FFFFFF8.461.0021.001.00

Color blindness preview

Protanopia (red-blind)
#534912
Deuteranopia (green-blind)
#59501A
Tritanopia (blue-blind)
#6D403E
Achromatopsia (no color)
#4D4D4D

Design tokens & code

CSS
--color: #644818;
/* rgb */ color: rgb(100, 72, 24);
/* oklch */ color: oklch(42.2% 0.074 77.5);
Tailwind
colors: {
  custom: {
    50: '#937a58',
    500: '#644818',
    950: '#000000',
  },
}
SCSS
$custom: #644818;
$custom-light: #937a58;
$custom-dark: #000000;
JSON
{
  "hex": "#644818",
  "rgb": {
    "r": 100,
    "g": 72,
    "b": 24
  },
  "hsl": {
    "h": 37.895,
    "s": 61.29,
    "l": 24.314
  },
  "oklch": {
    "l": 0.42249,
    "c": 0.07387,
    "h": 77.5
  },
  "luminance": 0.0741
}

Semantic roles & 50–950 ramp

primary
#644818
secondary
#3E609A
accent
#7FE443
background
#F9F7F5
surface
#F2EDE9
border
#CCC8C5
text
#0E0903
muted
#7E7B78

Preview Lab

Preview with #644818

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

Preview Lab → · Contrast checker → · Palette generator →

#644818 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva