#645444#645444

#645444 is a mid, muted orange. Relative luminance 0.095; OKLCH L 45.7% C 0.033 H 66.9°. Best body text is #FFFFFF at 7.26:1 contrast (WCAG AA passes).

Color values

HEX	#645444
RGB	rgb(100, 84, 68)
HSL	hsl(30, 19%, 33%)
HSV	hsv(30, 32%, 39%)
CMYK	cmyk(0%, 16%, 32%, 60.8%)
CIE-LAB	lab(36.87, 3.91, 11.82)
CIE-LCH	lch(36.87, 12.45, 71.71°)
OKLab	oklab(45.73% 0.0129 0.0301)
OKLCH	oklch(45.73% 0.033 66.9)
XYZ	xyz(9.4694, 9.4677, 6.7964)
Luminance	0.0947 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#645444 #445464

analogous

#644444 #645444 #646444

triadic

#645444 #446454 #544464

tetradic

#645444 #446444 #445464 #644464

square

#645444 #446444 #445464 #644464

split-complementary

#645444 #446464 #444464

monochromatic

#1B1712 #40352B #645444 #88735D #A6917C

Accessibility & contrast

On white

7.26

#645444 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.89

#645444 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #645444

7.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##645444	#FFFFFF	#000000	##FFFFFF
##645444	1.00	7.26	2.89	7.26
#FFFFFF	7.26	1.00	21.00	1.00
#000000	2.89	21.00	1.00	21.00
##FFFFFF	7.26	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#595543

Deuteranopia (green-blind)

#5D5844

Tritanopia (blue-blind)

#6A5050

Achromatopsia (no color)

#575757

Design tokens & code

CSS

--color: #645444;
/* rgb */ color: rgb(100, 84, 68);
/* oklch */ color: oklch(45.7% 0.033 66.9);

Tailwind

colors: {
  custom: {
    50: '#908478',
    500: '#645444',
    950: '#000000',
  },
}

SCSS

$custom: #645444;
$custom-light: #908478;
$custom-dark: #000000;

JSON

{
  "hex": "#645444",
  "rgb": {
    "r": 100,
    "g": 84,
    "b": 68
  },
  "hsl": {
    "h": 30,
    "s": 19.048,
    "l": 32.941
  },
  "oklch": {
    "l": 0.45725,
    "c": 0.03271,
    "h": 66.9
  },
  "luminance": 0.09467
}

Semantic roles & 50–950 ramp

primary

#645444

secondary

#718293

accent

#94BC6C

background

#F8F8F7

surface

#F0EFED

border

#CBCAC8

text

#0C0A08

muted

#7D7C7B

Preview Lab

Preview with #645444

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

Preview Lab → · Contrast checker → · Palette generator →