#666E71#666E71

#666E71 is a mid, near-neutral grey. Relative luminance 0.152; OKLCH L 53.2% C 0.011 H 222.2°. Best body text is #FFFFFF at 5.21:1 contrast (WCAG AA passes).

Color values

HEX	#666E71
RGB	rgb(102, 110, 113)
HSL	hsl(196, 5%, 42%)
HSV	hsv(196, 10%, 44%)
CMYK	cmyk(9.7%, 2.7%, 0%, 55.7%)
CIE-LAB	lab(45.86, -2.38, -2.71)
CIE-LCH	lch(45.86, 3.61, 228.77°)
OKLab	oklab(53.24% -0.008 -0.0073)
OKLCH	oklch(53.24% 0.011 222.2)
XYZ	xyz(14.0354, 15.1687, 17.8080)
Luminance	0.1517 (WCAG relative)
Temperature	neutral
Family	grey

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#666E71 #716966

analogous

#66716F #666E71 #666971

triadic

#666E71 #71666E #6E7166

tetradic

#666E71 #6F6671 #716966 #697166

square

#666E71 #6F6671 #716966 #697166

split-complementary

#666E71 #716669 #716F66

monochromatic

#2C2F31 #494F51 #666E71 #848D90 #A4ABAD

Accessibility & contrast

On white

5.21

#666E71 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.03

#666E71 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #666E71

5.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##666E71	#FFFFFF	#000000	##FFFFFF
##666E71	1.00	5.21	4.03	5.21
#FFFFFF	5.21	1.00	21.00	1.00
#000000	4.03	21.00	1.00	21.00
##FFFFFF	5.21	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#6C6D71

Deuteranopia (green-blind)

#6A6C71

Tritanopia (blue-blind)

#636F6F

Achromatopsia (no color)

#6D6D6D

Design tokens & code

CSS

--color: #666e71;
/* rgb */ color: rgb(102, 110, 113);
/* oklch */ color: oklch(53.2% 0.011 222.2);

Tailwind

colors: {
  custom: {
    50: '#919799',
    500: '#666e71',
    950: '#000000',
  },
}

SCSS

$custom: #666e71;
$custom-light: #919799;
$custom-dark: #000000;

JSON

{
  "hex": "#666e71",
  "rgb": {
    "r": 102,
    "g": 110,
    "b": 113
  },
  "hsl": {
    "h": 196.364,
    "s": 5.116,
    "l": 42.157
  },
  "oklch": {
    "l": 0.5324,
    "c": 0.01086,
    "h": 222.2
  },
  "luminance": 0.15169
}

Semantic roles & 50–950 ramp

primary

#666E71

secondary

#9D9896

accent

#887AAE

background

#F8F9F9

surface

#F0F2F2

border

#CBCCCC

text

#0C0D0E

muted

#7D7E7E

Preview Lab

Preview with #666E71

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

Preview Lab → · Contrast checker → · Palette generator →