#644F15#644F15

#644F15 is a dark, moderate orange. Relative luminance 0.084; OKLCH L 43.8% C 0.079 H 88.1°. Best body text is #FFFFFF at 7.86:1 contrast (WCAG AA passes).

Color values

HEX#644F15
RGBrgb(100, 79, 21)
HSLhsl(44, 65%, 24%)
HSVhsv(44, 79%, 39%)
CMYKcmyk(0%, 21%, 79%, 60.8%)
CIE-LABlab(34.71, 2.23, 35.64)
CIE-LCHlch(34.71, 35.71, 86.42°)
OKLaboklab(43.8% 0.0026 0.0787)
OKLCHoklch(43.8% 0.079 88.1)
XYZxyz(8.1874, 8.3560, 1.8910)
Luminance0.0835 (WCAG relative)
Temperaturewarm
Familyorange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#644F15 #152A64
analogous
#642715 #644F15 #516415
triadic
#644F15 #15644F #4F1564
tetradic
#644F15 #156427 #152A64 #641551
square
#644F15 #156427 #152A64 #641551
split-complementary
#644F15 #155164 #271564
monochromatic
#191405 #31270A #644F15 #977720 #C99F2A

Accessibility & contrast

On white

7.86
#644F15 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.67
#644F15 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #644F15
7.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##644F15#FFFFFF#000000##FFFFFF
##644F151.007.862.677.86
#FFFFFF7.861.0021.001.00
#0000002.6721.001.0021.00
##FFFFFF7.861.0021.001.00

Color blindness preview

Protanopia (red-blind)
#594E0C
Deuteranopia (green-blind)
#5E5418
Tritanopia (blue-blind)
#6D4743
Achromatopsia (no color)
#525252

Design tokens & code

CSS
--color: #644f15;
/* rgb */ color: rgb(100, 79, 21);
/* oklch */ color: oklch(43.8% 0.079 88.1);
Tailwind
colors: {
  custom: {
    50: '#938057',
    500: '#644f15',
    950: '#000000',
  },
}
SCSS
$custom: #644f15;
$custom-light: #938057;
$custom-dark: #000000;
JSON
{
  "hex": "#644f15",
  "rgb": {
    "r": 100,
    "g": 79,
    "b": 21
  },
  "hsl": {
    "h": 44.051,
    "s": 65.289,
    "l": 23.725
  },
  "oklch": {
    "l": 0.43803,
    "c": 0.0787,
    "h": 88.1
  },
  "luminance": 0.08355
}

Semantic roles & 50–950 ramp

primary
#644F15
secondary
#3A549B
accent
#6CE840
background
#F9F7F5
surface
#F2EEE9
border
#CCC9C5
text
#0E0A03
muted
#7E7C78

Preview Lab

Preview with #644F15

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

Preview Lab → · Contrast checker → · Palette generator →

#644F15 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva