#666372#666372

#666372 is a mid, muted grey. Relative luminance 0.130; OKLCH L 50.8% C 0.024 H 294.7°. Best body text is #FFFFFF at 5.85:1 contrast (WCAG AA passes).

Color values

HEX	#666372
RGB	rgb(102, 99, 114)
HSL	hsl(252, 7%, 42%)
HSV	hsv(252, 13%, 45%)
CMYK	cmyk(10.5%, 13.2%, 0%, 55.3%)
CIE-LAB	lab(42.71, 4.42, -8.00)
CIE-LCH	lch(42.71, 9.14, 298.90°)
OKLab	oklab(50.78% 0.0099 -0.0216)
OKLCH	oklch(50.78% 0.024 294.7)
XYZ	xyz(12.9780, 12.9633, 17.7348)
Luminance	0.1296 (WCAG relative)
Temperature	neutral
Family	grey

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#666372 #6F7263

analogous

#636872 #666372 #6E6372

triadic

#666372 #726663 #637266

tetradic

#666372 #726368 #6F7263 #63726E

square

#666372 #726368 #6F7263 #63726E

split-complementary

#666372 #726E63 #687263

monochromatic

#2B2A30 #494751 #666372 #848191 #A4A2AE

Accessibility & contrast

On white

5.85

#666372 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.59

#666372 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #666372

5.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##666372	#FFFFFF	#000000	##FFFFFF
##666372	1.00	5.85	3.59	5.85
#FFFFFF	5.85	1.00	21.00	1.00
#000000	3.59	21.00	1.00	21.00
##FFFFFF	5.85	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#606573

Deuteranopia (green-blind)

#606572

Tritanopia (blue-blind)

#646568

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #666372;
/* rgb */ color: rgb(102, 99, 114);
/* oklch */ color: oklch(50.8% 0.024 294.7);

Tailwind

colors: {
  custom: {
    50: '#918f9a',
    500: '#666372',
    950: '#000000',
  },
}

SCSS

$custom: #666372;
$custom-light: #918f9a;
$custom-dark: #000000;

JSON

{
  "hex": "#666372",
  "rgb": {
    "r": 102,
    "g": 99,
    "b": 114
  },
  "hsl": {
    "h": 252,
    "s": 7.042,
    "l": 41.765
  },
  "oklch": {
    "l": 0.50775,
    "c": 0.02375,
    "h": 294.7
  },
  "luminance": 0.12963
}

Semantic roles & 50–950 ramp

primary

#666372

secondary

#9B9D93

accent

#B078A5

background

#F8F8F9

surface

#F0F0F2

border

#CBCBCC

text

#0C0C0E

muted

#7D7D7E

Preview Lab

Preview with #666372

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

Preview Lab → · Contrast checker → · Palette generator →