#644C2A#644C2A

#644C2A is a dark, muted orange. Relative luminance 0.080; OKLCH L 43.4% C 0.059 H 74.8°. Best body text is #FFFFFF at 8.05:1 contrast (WCAG AA passes).

Color values

HEX	#644C2A
RGB	rgb(100, 76, 42)
HSL	hsl(35, 41%, 28%)
HSV	hsv(35, 58%, 39%)
CMYK	cmyk(0%, 24%, 58%, 60.8%)
CIE-LAB	lab(34.08, 5.60, 23.93)
CIE-LCH	lch(34.08, 24.58, 76.83°)
OKLab	oklab(43.38% 0.0155 0.057)
OKLCH	oklch(43.38% 0.059 74.8)
XYZ	xyz(8.2583, 8.0459, 3.3081)
Luminance	0.0804 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#644C2A #2A4264

analogous

#642F2A #644C2A #5F642A

triadic

#644C2A #2A644C #4C2A64

tetradic

#644C2A #2A642F #2A4264 #642A5F

square

#644C2A #2A642F #2A4264 #642A5F

split-complementary

#644C2A #2A5F64 #2F2A64

monochromatic

#161009 #392B18 #644C2A #8F6D3C #B68D52

Accessibility & contrast

On white

8.05

#644C2A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.61

#644C2A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #644C2A

8.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##644C2A	#FFFFFF	#000000	##FFFFFF
##644C2A	1.00	8.05	2.61	8.05
#FFFFFF	8.05	1.00	21.00	1.00
#000000	2.61	21.00	1.00	21.00
##FFFFFF	8.05	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#554D27

Deuteranopia (green-blind)

#5B522B

Tritanopia (blue-blind)

#6C4644

Achromatopsia (no color)

#505050

Design tokens & code

CSS

--color: #644c2a;
/* rgb */ color: rgb(100, 76, 42);
/* oklch */ color: oklch(43.4% 0.059 74.8);

Tailwind

colors: {
  custom: {
    50: '#927d64',
    500: '#644c2a',
    950: '#000000',
  },
}

SCSS

$custom: #644c2a;
$custom-light: #927d64;
$custom-dark: #000000;

JSON

{
  "hex": "#644c2a",
  "rgb": {
    "r": 100,
    "g": 76,
    "b": 42
  },
  "hsl": {
    "h": 35.172,
    "s": 40.845,
    "l": 27.843
  },
  "oklch": {
    "l": 0.43379,
    "c": 0.05904,
    "h": 74.8
  },
  "luminance": 0.08045
}

Semantic roles & 50–950 ramp

primary

#644C2A

secondary

#536F96

accent

#89D157

background

#F9F7F6

surface

#F1EEEB

border

#CBC9C6

text

#0D0905

muted

#7E7B7A

Preview Lab

Preview with #644C2A

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

Preview Lab → · Contrast checker → · Palette generator →