#644F1C#644F1C

#644F1C is a dark, moderate orange. Relative luminance 0.084; OKLCH L 43.9% C 0.073 H 86.3°. Best body text is #FFFFFF at 7.84:1 contrast (WCAG AA passes).

Color values

HEX#644F1C
RGBrgb(100, 79, 28)
HSLhsl(43, 56%, 25%)
HSVhsv(43, 72%, 39%)
CMYKcmyk(0%, 21%, 72%, 60.8%)
CIE-LABlab(34.77, 2.63, 32.40)
CIE-LCHlch(34.77, 32.51, 85.35°)
OKLaboklab(43.87% 0.0048 0.0732)
OKLCHoklch(43.87% 0.073 86.3)
XYZxyz(8.2616, 8.3857, 2.2818)
Luminance0.0838 (WCAG relative)
Temperaturewarm
Familyorange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#644F1C #1C3164
analogous
#642B1C #644F1C #55641C
triadic
#644F1C #1C644F #4F1C64
tetradic
#644F1C #1C642B #1C3164 #641C55
square
#644F1C #1C642B #1C3164 #641C55
split-complementary
#644F1C #1C5564 #2B1C64
monochromatic
#181307 #34290F #644F1C #947529 #C49B37

Accessibility & contrast

On white

7.84
#644F1C on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.68
#644F1C on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #644F1C
7.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##644F1C#FFFFFF#000000##FFFFFF
##644F1C1.007.842.687.84
#FFFFFF7.841.0021.001.00
#0000002.6821.001.0021.00
##FFFFFF7.841.0021.001.00

Color blindness preview

Protanopia (red-blind)
#594F16
Deuteranopia (green-blind)
#5E541E
Tritanopia (blue-blind)
#6D4844
Achromatopsia (no color)
#525252

Design tokens & code

CSS
--color: #644f1c;
/* rgb */ color: rgb(100, 79, 28);
/* oklch */ color: oklch(43.9% 0.073 86.3);
Tailwind
colors: {
  custom: {
    50: '#93805b',
    500: '#644f1c',
    950: '#000000',
  },
}
SCSS
$custom: #644f1c;
$custom-light: #93805b;
$custom-dark: #000000;
JSON
{
  "hex": "#644f1c",
  "rgb": {
    "r": 100,
    "g": 79,
    "b": 28
  },
  "hsl": {
    "h": 42.5,
    "s": 56.25,
    "l": 25.098
  },
  "oklch": {
    "l": 0.4387,
    "c": 0.0734,
    "h": 86.3
  },
  "luminance": 0.08385
}

Semantic roles & 50–950 ramp

primary
#644F1C
secondary
#435C99
accent
#74E048
background
#F9F7F5
surface
#F2EEE9
border
#CCC9C5
text
#0D0A04
muted
#7E7C79

Preview Lab

Preview with #644F1C

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

Preview Lab → · Contrast checker → · Palette generator →

#644F1C Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva