#644D3A#644D3A

#644D3A is a dark, muted orange. Relative luminance 0.083; OKLCH L 43.9% C 0.043 H 60.9°. Best body text is #FFFFFF at 7.88:1 contrast (WCAG AA passes).

Color values

HEX	#644D3A
RGB	rgb(100, 77, 58)
HSL	hsl(27, 27%, 31%)
HSV	hsv(27, 42%, 39%)
CMYK	cmyk(0%, 23%, 42%, 60.8%)
CIE-LAB	lab(34.65, 6.80, 14.98)
CIE-LCH	lch(34.65, 16.46, 65.59°)
OKLab	oklab(43.92% 0.0209 0.0375)
OKLCH	oklch(43.92% 0.043 60.9)
XYZ	xyz(8.6734, 8.3230, 5.1518)
Luminance	0.0832 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#644D3A #3A5164

analogous

#643A3C #644D3A #64623A

triadic

#644D3A #3A644D #4D3A64

tetradic

#644D3A #3C643A #3A5164 #623A64

square

#644D3A #3C643A #3A5164 #623A64

split-complementary

#644D3A #3A6462 #3A3C64

monochromatic

#17110D #3D2F24 #644D3A #8B6B50 #AB896E

Accessibility & contrast

On white

7.88

#644D3A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.66

#644D3A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #644D3A

7.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##644D3A	#FFFFFF	#000000	##FFFFFF
##644D3A	1.00	7.88	2.66	7.88
#FFFFFF	7.88	1.00	21.00	1.00
#000000	2.66	21.00	1.00	21.00
##FFFFFF	7.88	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#544E39

Deuteranopia (green-blind)

#59543A

Tritanopia (blue-blind)

#6B4848

Achromatopsia (no color)

#515151

Design tokens & code

CSS

--color: #644d3a;
/* rgb */ color: rgb(100, 77, 58);
/* oklch */ color: oklch(43.9% 0.043 60.9);

Tailwind

colors: {
  custom: {
    50: '#917e70',
    500: '#644d3a',
    950: '#000000',
  },
}

SCSS

$custom: #644d3a;
$custom-light: #917e70;
$custom-dark: #000000;

JSON

{
  "hex": "#644d3a",
  "rgb": {
    "r": 100,
    "g": 77,
    "b": 58
  },
  "hsl": {
    "h": 27.143,
    "s": 26.582,
    "l": 30.98
  },
  "oklch": {
    "l": 0.43916,
    "c": 0.04289,
    "h": 60.9
  },
  "luminance": 0.08323
}

Semantic roles & 50–950 ramp

primary

#644D3A

secondary

#667F94

accent

#98C365

background

#F9F7F6

surface

#F1EEEC

border

#CBC9C7

text

#0D0A07

muted

#7E7C7A

Preview Lab

Preview with #644D3A

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

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