#644A19#644A19

#644A19 is a dark, moderate orange. Relative luminance 0.077; OKLCH L 42.7% C 0.074 H 80.1°. Best body text is #FFFFFF at 8.28:1 contrast (WCAG AA passes).

Color values

HEX#644A19
RGBrgb(100, 74, 25)
HSLhsl(39, 60%, 25%)
HSVhsv(39, 75%, 39%)
CMYKcmyk(0%, 26%, 75%, 60.8%)
CIE-LABlab(33.30, 5.51, 32.35)
CIE-LCHlch(33.30, 32.82, 80.33°)
OKLaboklab(42.71% 0.0127 0.0726)
OKLCHoklch(42.71% 0.074 80.1)
XYZxyz(7.8803, 7.6776, 1.9864)
Luminance0.0768 (WCAG relative)
Temperaturewarm
Familyorange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#644A19 #193364
analogous
#642519 #644A19 #596419
triadic
#644A19 #19644A #4A1964
tetradic
#644A19 #196425 #193364 #641959
square
#644A19 #196425 #193364 #641959
split-complementary
#644A19 #195964 #251964
monochromatic
#181206 #33260D #644A19 #956E25 #C69231

Accessibility & contrast

On white

8.28
#644A19 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.54
#644A19 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #644A19
8.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##644A19#FFFFFF#000000##FFFFFF
##644A191.008.282.548.28
#FFFFFF8.281.0021.001.00
#0000002.5421.001.0021.00
##FFFFFF8.281.0021.001.00

Color blindness preview

Protanopia (red-blind)
#544A13
Deuteranopia (green-blind)
#5B511B
Tritanopia (blue-blind)
#6D4240
Achromatopsia (no color)
#4E4E4E

Design tokens & code

CSS
--color: #644a19;
/* rgb */ color: rgb(100, 74, 25);
/* oklch */ color: oklch(42.7% 0.074 80.1);
Tailwind
colors: {
  custom: {
    50: '#937c59',
    500: '#644a19',
    950: '#000000',
  },
}
SCSS
$custom: #644a19;
$custom-light: #937c59;
$custom-dark: #000000;
JSON
{
  "hex": "#644a19",
  "rgb": {
    "r": 100,
    "g": 74,
    "b": 25
  },
  "hsl": {
    "h": 39.2,
    "s": 60,
    "l": 24.51
  },
  "oklch": {
    "l": 0.42705,
    "c": 0.07365,
    "h": 80.1
  },
  "luminance": 0.07677
}

Semantic roles & 50–950 ramp

primary
#644A19
secondary
#3F5E9A
accent
#7CE345
background
#F9F7F5
surface
#F2EEE9
border
#CCC9C5
text
#0D0903
muted
#7E7B78

Preview Lab

Preview with #644A19

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

Preview Lab → · Contrast checker → · Palette generator →

#644A19 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva