#644E36#644E36

#644E36 is a dark, muted orange. Relative luminance 0.084; OKLCH L 44.1% C 0.047 H 68.6°. Best body text is #FFFFFF at 7.82:1 contrast (WCAG AA passes).

Color values

HEX	#644E36
RGB	rgb(100, 78, 54)
HSL	hsl(31, 30%, 30%)
HSV	hsv(31, 46%, 39%)
CMYK	cmyk(0%, 22%, 46%, 60.8%)
CIE-LAB	lab(34.85, 5.68, 17.72)
CIE-LCH	lch(34.85, 18.61, 72.23°)
OKLab	oklab(44.05% 0.0172 0.0437)
OKLCH	oklch(44.05% 0.047 68.6)
XYZ	xyz(8.6461, 8.4249, 4.6601)
Luminance	0.0842 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#644E36 #364C64

analogous

#643736 #644E36 #636436

triadic

#644E36 #36644E #4E3664

tetradic

#644E36 #366437 #364C64 #643663

square

#644E36 #366437 #364C64 #643663

split-complementary

#644E36 #366364 #373664

monochromatic

#15100B #3C2F21 #644E36 #8C6D4B #AD8C67

Accessibility & contrast

On white

7.82

#644E36 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.68

#644E36 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #644E36

7.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##644E36	#FFFFFF	#000000	##FFFFFF
##644E36	1.00	7.82	2.68	7.82
#FFFFFF	7.82	1.00	21.00	1.00
#000000	2.68	21.00	1.00	21.00
##FFFFFF	7.82	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#564F34

Deuteranopia (green-blind)

#5B5436

Tritanopia (blue-blind)

#6B4948

Achromatopsia (no color)

#525252

Design tokens & code

CSS

--color: #644e36;
/* rgb */ color: rgb(100, 78, 54);
/* oklch */ color: oklch(44.1% 0.047 68.6);

Tailwind

colors: {
  custom: {
    50: '#917f6d',
    500: '#644e36',
    950: '#000000',
  },
}

SCSS

$custom: #644e36;
$custom-light: #917f6d;
$custom-dark: #000000;

JSON

{
  "hex": "#644e36",
  "rgb": {
    "r": 100,
    "g": 78,
    "b": 54
  },
  "hsl": {
    "h": 31.304,
    "s": 29.87,
    "l": 30.196
  },
  "oklch": {
    "l": 0.44051,
    "c": 0.04699,
    "h": 68.6
  },
  "luminance": 0.08424
}

Semantic roles & 50–950 ramp

primary

#644E36

secondary

#617A95

accent

#92C662

background

#F9F7F6

surface

#F1EEEB

border

#CBC9C6

text

#0D0A07

muted

#7E7C7A

Preview Lab

Preview with #644E36

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

Preview Lab → · Contrast checker → · Palette generator →