#644D2B#644D2B

#644D2B is a dark, muted orange. Relative luminance 0.082; OKLCH L 43.6% C 0.058 H 76.0°. Best body text is #FFFFFF at 7.96:1 contrast (WCAG AA passes).

Color values

HEX	#644D2B
RGB	rgb(100, 77, 43)
HSL	hsl(36, 40%, 28%)
HSV	hsv(36, 57%, 39%)
CMYK	cmyk(0%, 23%, 57%, 60.8%)
CIE-LAB	lab(34.38, 5.08, 23.72)
CIE-LCH	lch(34.38, 24.26, 77.91°)
OKLab	oklab(43.62% 0.0141 0.0566)
OKLCH	oklch(43.62% 0.058 76)
XYZ	xyz(8.3458, 8.1920, 3.4267)
Luminance	0.0819 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#644D2B #2B4264

analogous

#64302B #644D2B #5E642B

triadic

#644D2B #2B644D #4D2B64

tetradic

#644D2B #2B6430 #2B4264 #642B5E

square

#644D2B #2B6430 #2B4264 #642B5E

split-complementary

#644D2B #2B5E64 #302B64

monochromatic

#151009 #392C19 #644D2B #8F6E3D #B58E54

Accessibility & contrast

On white

7.96

#644D2B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.64

#644D2B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #644D2B

7.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##644D2B	#FFFFFF	#000000	##FFFFFF
##644D2B	1.00	7.96	2.64	7.96
#FFFFFF	7.96	1.00	21.00	1.00
#000000	2.64	21.00	1.00	21.00
##FFFFFF	7.96	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#564E28

Deuteranopia (green-blind)

#5B532C

Tritanopia (blue-blind)

#6C4745

Achromatopsia (no color)

#515151

Design tokens & code

CSS

--color: #644d2b;
/* rgb */ color: rgb(100, 77, 43);
/* oklch */ color: oklch(43.6% 0.058 76.0);

Tailwind

colors: {
  custom: {
    50: '#927e65',
    500: '#644d2b',
    950: '#000000',
  },
}

SCSS

$custom: #644d2b;
$custom-light: #927e65;
$custom-dark: #000000;

JSON

{
  "hex": "#644d2b",
  "rgb": {
    "r": 100,
    "g": 77,
    "b": 43
  },
  "hsl": {
    "h": 35.789,
    "s": 39.86,
    "l": 28.039
  },
  "oklch": {
    "l": 0.4362,
    "c": 0.05832,
    "h": 76
  },
  "luminance": 0.08191
}

Semantic roles & 50–950 ramp

primary

#644D2B

secondary

#556F96

accent

#88D058

background

#F9F7F6

surface

#F1EEEB

border

#CBC9C6

text

#0D0A05

muted

#7E7C7A

Preview Lab

Preview with #644D2B

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

Preview Lab → · Contrast checker → · Palette generator →