#665A5A#665A5A

#665A5A is a mid, near-neutral grey. Relative luminance 0.109; OKLCH L 47.9% C 0.016 H 17.7°. Best body text is #FFFFFF at 6.61:1 contrast (WCAG AA passes).

Color values

HEX	#665A5A
RGB	rgb(102, 90, 90)
HSL	hsl(0, 6%, 38%)
HSV	hsv(0, 12%, 40%)
CMYK	cmyk(0%, 11.8%, 11.8%, 60%)
CIE-LAB	lab(39.37, 4.86, 1.78)
CIE-LCH	lch(39.37, 5.17, 20.12°)
OKLab	oklab(47.92% 0.0149 0.0048)
OKLCH	oklch(47.92% 0.016 17.7)
XYZ	xyz(10.9810, 10.8755, 11.1916)
Luminance	0.1087 (WCAG relative)
Temperature	neutral
Family	grey

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#665A5A #5A6666

analogous

#665A60 #665A5A #66605A

triadic

#665A5A #5A665A #5A5A66

tetradic

#665A5A #60665A #5A6666 #605A66

square

#665A5A #60665A #5A6666 #605A66

split-complementary

#665A5A #5A6660 #5A6066

monochromatic

#252121 #453D3D #665A5A #877777 #A39797

Accessibility & contrast

On white

6.61

#665A5A on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.18

#665A5A on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #665A5A

6.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##665A5A	#FFFFFF	#000000	##FFFFFF
##665A5A	1.00	6.61	3.18	6.61
#FFFFFF	6.61	1.00	21.00	1.00
#000000	3.18	21.00	1.00	21.00
##FFFFFF	6.61	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5C5B5A

Deuteranopia (green-blind)

#5F5E5A

Tritanopia (blue-blind)

#69595A

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #665a5a;
/* rgb */ color: rgb(102, 90, 90);
/* oklch */ color: oklch(47.9% 0.016 17.7);

Tailwind

colors: {
  custom: {
    50: '#918888',
    500: '#665a5a',
    950: '#000000',
  },
}

SCSS

$custom: #665a5a;
$custom-light: #918888;
$custom-dark: #000000;

JSON

{
  "hex": "#665a5a",
  "rgb": {
    "r": 102,
    "g": 90,
    "b": 90
  },
  "hsl": {
    "h": 0,
    "s": 6.25,
    "l": 37.647
  },
  "oklch": {
    "l": 0.47917,
    "c": 0.01565,
    "h": 17.7
  },
  "luminance": 0.10875
}

Semantic roles & 50–950 ramp

primary

#665A5A

secondary

#899393

accent

#AFAF78

background

#F8F8F8

surface

#F0EFEF

border

#CBCACA

text

#0C0B0B

muted

#7D7C7C

Preview Lab

Preview with #665A5A

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

Preview Lab → · Contrast checker → · Palette generator →