#644A15#644A15

#644A15 is a dark, moderate orange. Relative luminance 0.077; OKLCH L 42.7% C 0.077 H 81.4°. Best body text is #FFFFFF at 8.29:1 contrast (WCAG AA passes).

Color values

HEX#644A15
RGBrgb(100, 74, 21)
HSLhsl(40, 65%, 24%)
HSVhsv(40, 79%, 39%)
CMYKcmyk(0%, 26%, 79%, 60.8%)
CIE-LABlab(33.27, 5.29, 34.23)
CIE-LCHlch(33.27, 34.64, 81.21°)
OKLaboklab(42.67% 0.0115 0.0757)
OKLCHoklch(42.67% 0.077 81.4)
XYZxyz(7.8402, 7.6616, 1.7752)
Luminance0.0766 (WCAG relative)
Temperaturewarm
Familyorange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#644A15 #152F64
analogous
#642215 #644A15 #566415
triadic
#644A15 #15644A #4A1564
tetradic
#644A15 #156422 #152F64 #641556
square
#644A15 #156422 #152F64 #641556
split-complementary
#644A15 #155664 #221564
monochromatic
#191305 #31250A #644A15 #976F20 #C9952A

Accessibility & contrast

On white

8.29
#644A15 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.53
#644A15 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #644A15
8.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##644A15#FFFFFF#000000##FFFFFF
##644A151.008.292.538.29
#FFFFFF8.291.0021.001.00
#0000002.5321.001.0021.00
##FFFFFF8.291.0021.001.00

Color blindness preview

Protanopia (red-blind)
#554A0D
Deuteranopia (green-blind)
#5B5117
Tritanopia (blue-blind)
#6D423F
Achromatopsia (no color)
#4E4E4E

Design tokens & code

CSS
--color: #644a15;
/* rgb */ color: rgb(100, 74, 21);
/* oklch */ color: oklch(42.7% 0.077 81.4);
Tailwind
colors: {
  custom: {
    50: '#947c56',
    500: '#644a15',
    950: '#000000',
  },
}
SCSS
$custom: #644a15;
$custom-light: #947c56;
$custom-dark: #000000;
JSON
{
  "hex": "#644a15",
  "rgb": {
    "r": 100,
    "g": 74,
    "b": 21
  },
  "hsl": {
    "h": 40.253,
    "s": 65.289,
    "l": 23.725
  },
  "oklch": {
    "l": 0.42667,
    "c": 0.07652,
    "h": 81.4
  },
  "luminance": 0.07661
}

Semantic roles & 50–950 ramp

primary
#644A15
secondary
#3A5A9B
accent
#77E840
background
#F9F7F5
surface
#F2EEE9
border
#CCC9C5
text
#0E0903
muted
#7E7B78

Preview Lab

Preview with #644A15

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

Preview Lab → · Contrast checker → · Palette generator →

#644A15 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva