#66645C#66645C

#66645C is a mid, near-neutral grey. Relative luminance 0.127; OKLCH L 50.3% C 0.013 H 95.3°. Best body text is #FFFFFF at 5.93:1 contrast (WCAG AA passes).

Color values

HEX	#66645C
RGB	rgb(102, 100, 92)
HSL	hsl(48, 5%, 38%)
HSV	hsv(48, 10%, 40%)
CMYK	cmyk(0%, 2%, 9.8%, 60%)
CIE-LAB	lab(42.33, -0.79, 4.82)
CIE-LCH	lch(42.33, 4.88, 99.36°)
OKLab	oklab(50.25% -0.0012 0.0126)
OKLCH	oklch(50.25% 0.013 95.3)
XYZ	xyz(11.9682, 12.7119, 11.9463)
Luminance	0.1271 (WCAG relative)
Temperature	neutral
Family	grey

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66645C #5C5E66

analogous

#665F5C #66645C #63665C

triadic

#66645C #5C6664 #645C66

tetradic

#66645C #5C665F #5C5E66 #665C63

square

#66645C #5C665F #5C5E66 #665C63

split-complementary

#66645C #5C6366 #5F5C66

monochromatic

#262522 #46443F #66645C #868479 #A3A199

Accessibility & contrast

On white

5.93

#66645C on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.54

#66645C on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #66645C

5.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66645C	#FFFFFF	#000000	##FFFFFF
##66645C	1.00	5.93	3.54	5.93
#FFFFFF	5.93	1.00	21.00	1.00
#000000	3.54	21.00	1.00	21.00
##FFFFFF	5.93	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#66635C

Deuteranopia (green-blind)

#66645C

Tritanopia (blue-blind)

#686362

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #66645c;
/* rgb */ color: rgb(102, 100, 92);
/* oklch */ color: oklch(50.3% 0.013 95.3);

Tailwind

colors: {
  custom: {
    50: '#91908a',
    500: '#66645c',
    950: '#000000',
  },
}

SCSS

$custom: #66645c;
$custom-light: #91908a;
$custom-dark: #000000;

JSON

{
  "hex": "#66645c",
  "rgb": {
    "r": 102,
    "g": 100,
    "b": 92
  },
  "hsl": {
    "h": 48,
    "s": 5.155,
    "l": 38.039
  },
  "oklch": {
    "l": 0.50254,
    "c": 0.01264,
    "h": 95.3
  },
  "luminance": 0.12712
}

Semantic roles & 50–950 ramp

primary

#66645C

secondary

#8B8C93

accent

#84AE7A

background

#F8F8F8

surface

#F0F0F0

border

#CBCBCB

text

#0C0C0B

muted

#7D7D7C

Preview Lab

Preview with #66645C

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

Preview Lab → · Contrast checker → · Palette generator →