#644C41#644C41

#644C41 is a dark, muted orange. Relative luminance 0.083; OKLCH L 43.9% C 0.037 H 45.8°. Best body text is #FFFFFF at 7.92:1 contrast (WCAG AA passes).

Color values

HEX	#644C41
RGB	rgb(100, 76, 65)
HSL	hsl(19, 21%, 32%)
HSV	hsv(19, 35%, 39%)
CMYK	cmyk(0%, 24%, 35%, 60.8%)
CIE-LAB	lab(34.52, 8.39, 10.44)
CIE-LCH	lch(34.52, 13.40, 51.22°)
OKLab	oklab(43.87% 0.0259 0.0267)
OKLCH	oklch(43.87% 0.037 45.8)
XYZ	xyz(8.7943, 8.2603, 6.1312)
Luminance	0.0826 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#644C41 #415964

analogous

#644148 #644C41 #645E41

triadic

#644C41 #41644C #4C4164

tetradic

#644C41 #486441 #415964 #5E4164

square

#644C41 #486441 #415964 #5E4164

split-complementary

#644C41 #41645E #414864

monochromatic

#1A1411 #3F3029 #644C41 #896859 #A78778

Accessibility & contrast

On white

7.92

#644C41 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.65

#644C41 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #644C41

7.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##644C41	#FFFFFF	#000000	##FFFFFF
##644C41	1.00	7.92	2.65	7.92
#FFFFFF	7.92	1.00	21.00	1.00
#000000	2.65	21.00	1.00	21.00
##FFFFFF	7.92	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#524E40

Deuteranopia (green-blind)

#585341

Tritanopia (blue-blind)

#6A4849

Achromatopsia (no color)

#515151

Design tokens & code

CSS

--color: #644c41;
/* rgb */ color: rgb(100, 76, 65);
/* oklch */ color: oklch(43.9% 0.037 45.8);

Tailwind

colors: {
  custom: {
    50: '#917e75',
    500: '#644c41',
    950: '#000000',
  },
}

SCSS

$custom: #644c41;
$custom-light: #917e75;
$custom-dark: #000000;

JSON

{
  "hex": "#644c41",
  "rgb": {
    "r": 100,
    "g": 76,
    "b": 65
  },
  "hsl": {
    "h": 18.857,
    "s": 21.212,
    "l": 32.353
  },
  "oklch": {
    "l": 0.43867,
    "c": 0.0372,
    "h": 45.8
  },
  "luminance": 0.0826
}

Semantic roles & 50–950 ramp

primary

#644C41

secondary

#6E8793

accent

#A3BE6A

background

#F8F7F7

surface

#F0EEED

border

#CBC9C8

text

#0D0908

muted

#7D7B7B

Preview Lab

Preview with #644C41

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

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