#66646E#66646E

#66646E is a mid, near-neutral grey. Relative luminance 0.131; OKLCH L 50.8% C 0.016 H 295.0°. Best body text is #FFFFFF at 5.81:1 contrast (WCAG AA passes).

Color values

HEX	#66646E
RGB	rgb(102, 100, 110)
HSL	hsl(252, 5%, 41%)
HSV	hsv(252, 9%, 43%)
CMYK	cmyk(7.3%, 9.1%, 0%, 56.9%)
CIE-LAB	lab(42.86, 2.91, -5.34)
CIE-LCH	lch(42.86, 6.09, 298.60°)
OKLab	oklab(50.85% 0.0067 -0.0143)
OKLCH	oklch(50.85% 0.016 295)
XYZ	xyz(12.8506, 13.0649, 16.5936)
Luminance	0.1306 (WCAG relative)
Temperature	neutral
Family	grey

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66646E #6C6E64

analogous

#64676E #66646E #6B646E

triadic

#66646E #6E6664 #646E66

tetradic

#66646E #6E6467 #6C6E64 #646E6B

square

#66646E #6E6467 #6C6E64 #646E6B

split-complementary

#66646E #6E6B64 #676E64

monochromatic

#2B2A2E #48474E #66646E #84828D #A4A2AA

Accessibility & contrast

On white

5.81

#66646E on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.61

#66646E on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #66646E

5.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66646E	#FFFFFF	#000000	##FFFFFF
##66646E	1.00	5.81	3.61	5.81
#FFFFFF	5.81	1.00	21.00	1.00
#000000	3.61	21.00	1.00	21.00
##FFFFFF	5.81	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#62656E

Deuteranopia (green-blind)

#62656E

Tritanopia (blue-blind)

#656567

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #66646e;
/* rgb */ color: rgb(102, 100, 110);
/* oklch */ color: oklch(50.8% 0.016 295.0);

Tailwind

colors: {
  custom: {
    50: '#919097',
    500: '#66646e',
    950: '#000000',
  },
}

SCSS

$custom: #66646e;
$custom-light: #919097;
$custom-dark: #000000;

JSON

{
  "hex": "#66646e",
  "rgb": {
    "r": 102,
    "g": 100,
    "b": 110
  },
  "hsl": {
    "h": 252,
    "s": 4.762,
    "l": 41.176
  },
  "oklch": {
    "l": 0.5085,
    "c": 0.0158,
    "h": 295
  },
  "luminance": 0.13065
}

Semantic roles & 50–950 ramp

primary

#66646E

secondary

#999A93

accent

#AE7AA4

background

#F8F8F9

surface

#F0F0F2

border

#CBCBCC

text

#0C0C0D

muted

#7D7D7E

Preview Lab

Preview with #66646E

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

Preview Lab → · Contrast checker → · Palette generator →