#665E66#665E66

#665E66 is a mid, near-neutral grey. Relative luminance 0.118; OKLCH L 49.2% C 0.016 H 325.8°. Best body text is #FFFFFF at 6.25:1 contrast (WCAG AA passes).

Color values

HEX	#665E66
RGB	rgb(102, 94, 102)
HSL	hsl(300, 4%, 38%)
HSV	hsv(300, 8%, 40%)
CMYK	cmyk(0%, 7.8%, 0%, 60%)
CIE-LAB	lab(40.88, 4.82, -3.40)
CIE-LCH	lch(40.88, 5.90, 324.84°)
OKLab	oklab(49.22% 0.0133 -0.009)
OKLCH	oklch(49.22% 0.016 325.8)
XYZ	xyz(11.8801, 11.7896, 14.2176)
Luminance	0.1179 (WCAG relative)
Temperature	neutral
Family	grey

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#665E66 #5E665E

analogous

#625E66 #665E66 #665E62

triadic

#665E66 #66665E #5E6666

tetradic

#665E66 #66625E #5E665E #5E6266

square

#665E66 #66625E #5E665E #5E6266

split-complementary

#665E66 #62665E #5E6662

monochromatic

#262326 #464146 #665E66 #867B86 #A39BA3

Accessibility & contrast

On white

6.25

#665E66 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.36

#665E66 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #665E66

6.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##665E66	#FFFFFF	#000000	##FFFFFF
##665E66	1.00	6.25	3.36	6.25
#FFFFFF	6.25	1.00	21.00	1.00
#000000	3.36	21.00	1.00	21.00
##FFFFFF	6.25	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5E6066

Deuteranopia (green-blind)

#5F6166

Tritanopia (blue-blind)

#675F61

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #665e66;
/* rgb */ color: rgb(102, 94, 102);
/* oklch */ color: oklch(49.2% 0.016 325.8);

Tailwind

colors: {
  custom: {
    50: '#918b91',
    500: '#665e66',
    950: '#000000',
  },
}

SCSS

$custom: #665e66;
$custom-light: #918b91;
$custom-dark: #000000;

JSON

{
  "hex": "#665e66",
  "rgb": {
    "r": 102,
    "g": 94,
    "b": 102
  },
  "hsl": {
    "h": 300,
    "s": 4.082,
    "l": 38.431
  },
  "oklch": {
    "l": 0.49217,
    "c": 0.01603,
    "h": 325.8
  },
  "luminance": 0.11789
}

Semantic roles & 50–950 ramp

primary

#665E66

secondary

#8D938D

accent

#AD7B7B

background

#F8F8F8

surface

#F0F0F0

border

#CBCBCB

text

#0C0C0C

muted

#7D7D7D

Preview Lab

Preview with #665E66

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

Preview Lab → · Contrast checker → · Palette generator →