#644D1D#644D1D

#644D1D is a dark, moderate orange. Relative luminance 0.081; OKLCH L 43.4% C 0.072 H 83.1°. Best body text is #FFFFFF at 8.01:1 contrast (WCAG AA passes).

Color values

HEX	#644D1D
RGB	rgb(100, 77, 29)
HSL	hsl(41, 55%, 25%)
HSV	hsv(41, 71%, 39%)
CMYK	cmyk(0%, 23%, 71%, 60.8%)
CIE-LAB	lab(34.20, 3.92, 31.28)
CIE-LCH	lch(34.20, 31.53, 82.85°)
OKLab	oklab(43.43% 0.0087 0.0711)
OKLCH	oklch(43.43% 0.072 83.1)
XYZ	xyz(8.1316, 8.1063, 2.2985)
Luminance	0.0811 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#644D1D #1D3464

analogous

#64291D #644D1D #58641D

triadic

#644D1D #1D644D #4D1D64

tetradic

#644D1D #1D6429 #1D3464 #641D58

square

#644D1D #1D6429 #1D3464 #641D58

split-complementary

#644D1D #1D5864 #291D64

monochromatic

#181207 #35280F #644D1D #93722B #C39639

Accessibility & contrast

On white

8.01

#644D1D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.62

#644D1D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #644D1D

8.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##644D1D	#FFFFFF	#000000	##FFFFFF
##644D1D	1.00	8.01	2.62	8.01
#FFFFFF	8.01	1.00	21.00	1.00
#000000	2.62	21.00	1.00	21.00
##FFFFFF	8.01	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#574D18

Deuteranopia (green-blind)

#5C531F

Tritanopia (blue-blind)

#6D4643

Achromatopsia (no color)

#505050

Design tokens & code

CSS

--color: #644d1d;
/* rgb */ color: rgb(100, 77, 29);
/* oklch */ color: oklch(43.4% 0.072 83.1);

Tailwind

colors: {
  custom: {
    50: '#937e5b',
    500: '#644d1d',
    950: '#000000',
  },
}

SCSS

$custom: #644d1d;
$custom-light: #937e5b;
$custom-dark: #000000;

JSON

{
  "hex": "#644d1d",
  "rgb": {
    "r": 100,
    "g": 77,
    "b": 29
  },
  "hsl": {
    "h": 40.563,
    "s": 55.039,
    "l": 25.294
  },
  "oklch": {
    "l": 0.43425,
    "c": 0.07158,
    "h": 83.1
  },
  "luminance": 0.08106
}

Semantic roles & 50–950 ramp

primary

#644D1D

secondary

#445F99

accent

#7ADE49

background

#F9F7F5

surface

#F2EEE9

border

#CCC9C5

text

#0D0904

muted

#7E7B79

Preview Lab

Preview with #644D1D

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

Preview Lab → · Contrast checker → · Palette generator →