#644F19#644F19

#644F19 is a dark, moderate orange. Relative luminance 0.084; OKLCH L 43.8% C 0.076 H 87.1°. Best body text is #FFFFFF at 7.85:1 contrast (WCAG AA passes).

Color values

HEX#644F19
RGBrgb(100, 79, 25)
HSLhsl(43, 60%, 25%)
HSVhsv(43, 75%, 39%)
CMYKcmyk(0%, 21%, 75%, 60.8%)
CIE-LABlab(34.75, 2.45, 33.84)
CIE-LCHlch(34.75, 33.93, 85.86°)
OKLaboklab(43.84% 0.0038 0.0757)
OKLCHoklch(43.84% 0.076 87.1)
XYZxyz(8.2275, 8.3720, 2.1021)
Luminance0.0837 (WCAG relative)
Temperaturewarm
Familyorange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#644F19 #192E64
analogous
#642A19 #644F19 #546419
triadic
#644F19 #19644F #4F1964
tetradic
#644F19 #19642A #192E64 #641954
square
#644F19 #19642A #192E64 #641954
split-complementary
#644F19 #195464 #2A1964
monochromatic
#181306 #33280D #644F19 #957625 #C69C31

Accessibility & contrast

On white

7.85
#644F19 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.67
#644F19 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #644F19
7.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##644F19#FFFFFF#000000##FFFFFF
##644F191.007.852.677.85
#FFFFFF7.851.0021.001.00
#0000002.6721.001.0021.00
##FFFFFF7.851.0021.001.00

Color blindness preview

Protanopia (red-blind)
#594E12
Deuteranopia (green-blind)
#5E541B
Tritanopia (blue-blind)
#6D4844
Achromatopsia (no color)
#525252

Design tokens & code

CSS
--color: #644f19;
/* rgb */ color: rgb(100, 79, 25);
/* oklch */ color: oklch(43.8% 0.076 87.1);
Tailwind
colors: {
  custom: {
    50: '#938059',
    500: '#644f19',
    950: '#000000',
  },
}
SCSS
$custom: #644f19;
$custom-light: #938059;
$custom-dark: #000000;
JSON
{
  "hex": "#644f19",
  "rgb": {
    "r": 100,
    "g": 79,
    "b": 25
  },
  "hsl": {
    "h": 43.2,
    "s": 60,
    "l": 24.51
  },
  "oklch": {
    "l": 0.43839,
    "c": 0.0758,
    "h": 87.1
  },
  "luminance": 0.08371
}

Semantic roles & 50–950 ramp

primary
#644F19
secondary
#3F589A
accent
#71E345
background
#F9F7F5
surface
#F2EEE9
border
#CCC9C5
text
#0D0A04
muted
#7E7C79

Preview Lab

Preview with #644F19

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

Preview Lab → · Contrast checker → · Palette generator →

#644F19 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva