#644C44#644C44

#644C44 is a dark, muted orange. Relative luminance 0.083; OKLCH L 43.9% C 0.035 H 39.2°. Best body text is #FFFFFF at 7.90:1 contrast (WCAG AA passes).

Color values

HEX	#644C44
RGB	rgb(100, 76, 68)
HSL	hsl(15, 19%, 33%)
HSV	hsv(15, 32%, 39%)
CMYK	cmyk(0%, 24%, 32%, 60.8%)
CIE-LAB	lab(34.59, 8.84, 8.66)
CIE-LCH	lch(34.59, 12.37, 44.40°)
OKLab	oklab(43.95% 0.0273 0.0223)
OKLCH	oklch(43.95% 0.035 39.2)
XYZ	xyz(8.8835, 8.2960, 6.6011)
Luminance	0.0830 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#644C44 #445C64

analogous

#64444C #644C44 #645C44

triadic

#644C44 #44644C #4C4464

tetradic

#644C44 #4C6444 #445C64 #5C4464

square

#644C44 #4C6444 #445C64 #5C4464

split-complementary

#644C44 #44645C #444C64

monochromatic

#1B1512 #40302B #644C44 #88685D #A6877C

Accessibility & contrast

On white

7.90

#644C44 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.66

#644C44 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #644C44

7.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##644C44	#FFFFFF	#000000	##FFFFFF
##644C44	1.00	7.90	2.66	7.90
#FFFFFF	7.90	1.00	21.00	1.00
#000000	2.66	21.00	1.00	21.00
##FFFFFF	7.90	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#524E43

Deuteranopia (green-blind)

#575344

Tritanopia (blue-blind)

#6A494A

Achromatopsia (no color)

#515151

Design tokens & code

CSS

--color: #644c44;
/* rgb */ color: rgb(100, 76, 68);
/* oklch */ color: oklch(43.9% 0.035 39.2);

Tailwind

colors: {
  custom: {
    50: '#917e77',
    500: '#644c44',
    950: '#000000',
  },
}

SCSS

$custom: #644c44;
$custom-light: #917e77;
$custom-dark: #000000;

JSON

{
  "hex": "#644c44",
  "rgb": {
    "r": 100,
    "g": 76,
    "b": 68
  },
  "hsl": {
    "h": 15,
    "s": 19.048,
    "l": 32.941
  },
  "oklch": {
    "l": 0.43948,
    "c": 0.03527,
    "h": 39.2
  },
  "luminance": 0.08296
}

Semantic roles & 50–950 ramp

primary

#644C44

secondary

#718A93

accent

#A8BC6C

background

#F8F7F7

surface

#F0EEED

border

#CBC9C8

text

#0D0908

muted

#7D7B7B

Preview Lab

Preview with #644C44

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

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