#665B59#665B59

#665B59 is a mid, near-neutral grey. Relative luminance 0.110; OKLCH L 48.1% C 0.015 H 29.9°. Best body text is #FFFFFF at 6.55:1 contrast (WCAG AA passes).

Color values

HEX#665B59
RGBrgb(102, 91, 89)
HSLhsl(9, 7%, 37%)
HSVhsv(9, 13%, 40%)
CMYKcmyk(0%, 10.8%, 12.7%, 60%)
CIE-LABlab(39.63, 4.06, 2.77)
CIE-LCHlch(39.63, 4.91, 34.31°)
OKLaboklab(48.11% 0.0127 0.0073)
OKLCHoklch(48.11% 0.015 29.9)
XYZxyz(11.0236, 11.0284, 10.9972)
Luminance0.1103 (WCAG relative)
Temperatureneutral
Familygrey

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#665B59 #596466
analogous
#66595E #665B59 #666259
triadic
#665B59 #59665B #5B5966
tetradic
#665B59 #5E6659 #596466 #625966
square
#665B59 #5E6659 #596466 #625966
split-complementary
#665B59 #596662 #595E66
monochromatic
#252120 #453E3C #665B59 #877876 #A39896

Accessibility & contrast

On white

6.55
#665B59 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.21
#665B59 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #665B59
6.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##665B59#FFFFFF#000000##FFFFFF
##665B591.006.553.216.55
#FFFFFF6.551.0021.001.00
#0000003.2121.001.0021.00
##FFFFFF6.551.0021.001.00

Color blindness preview

Protanopia (red-blind)
#5D5C59
Deuteranopia (green-blind)
#605E59
Tritanopia (blue-blind)
#695A5A
Achromatopsia (no color)
#5D5D5D

Design tokens & code

CSS
--color: #665b59;
/* rgb */ color: rgb(102, 91, 89);
/* oklch */ color: oklch(48.1% 0.015 29.9);
Tailwind
colors: {
  custom: {
    50: '#918987',
    500: '#665b59',
    950: '#000000',
  },
}
SCSS
$custom: #665b59;
$custom-light: #918987;
$custom-dark: #000000;
JSON
{
  "hex": "#665b59",
  "rgb": {
    "r": 102,
    "g": 91,
    "b": 89
  },
  "hsl": {
    "h": 9.231,
    "s": 6.806,
    "l": 37.451
  },
  "oklch": {
    "l": 0.4811,
    "c": 0.0147,
    "h": 29.9
  },
  "luminance": 0.11028
}

Semantic roles & 50–950 ramp

primary
#665B59
secondary
#889193
accent
#A7B078
background
#F8F8F8
surface
#F0F0EF
border
#CBCBCA
text
#0C0B0B
muted
#7D7C7C

Preview Lab

Preview with #665B59

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

Preview Lab → · Contrast checker → · Palette generator →

#665B59 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva