#64656B#64656B

#64656B is a mid, near-neutral grey. Relative luminance 0.131; OKLCH L 50.8% C 0.009 H 278.5°. Best body text is #FFFFFF at 5.81:1 contrast (WCAG AA passes).

Color values

HEX#64656B
RGBrgb(100, 101, 107)
HSLhsl(231, 3%, 41%)
HSVhsv(231, 7%, 42%)
CMYKcmyk(6.5%, 5.6%, 0%, 58%)
CIE-LABlab(42.88, 0.90, -3.51)
CIE-LCHlch(42.88, 3.62, 284.31°)
OKLaboklab(50.79% 0.0014 -0.0094)
OKLCHoklch(50.79% 0.009 278.5)
XYZxyz(12.5625, 13.0782, 15.7696)
Luminance0.1308 (WCAG relative)
Temperatureneutral
Familygrey

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#64656B #6B6A64
analogous
#64686B #64656B #66646B
triadic
#64656B #6B6465 #656B64
tetradic
#64656B #6B6468 #6B6A64 #646B66
square
#64656B #6B6468 #6B6A64 #646B66
split-complementary
#64656B #6B6664 #686B64
monochromatic
#29292C #46474B #64656B #82838A #A2A3A8

Accessibility & contrast

On white

5.81
#64656B on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.62
#64656B on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #64656B
5.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##64656B#FFFFFF#000000##FFFFFF
##64656B1.005.813.625.81
#FFFFFF5.811.0021.001.00
#0000003.6221.001.0021.00
##FFFFFF5.811.0021.001.00

Color blindness preview

Protanopia (red-blind)
#64666B
Deuteranopia (green-blind)
#63656B
Tritanopia (blue-blind)
#636667
Achromatopsia (no color)
#656565

Design tokens & code

CSS
--color: #64656b;
/* rgb */ color: rgb(100, 101, 107);
/* oklch */ color: oklch(50.8% 0.009 278.5);
Tailwind
colors: {
  custom: {
    50: '#909095',
    500: '#64656b',
    950: '#000000',
  },
}
SCSS
$custom: #64656b;
$custom-light: #909095;
$custom-dark: #000000;
JSON
{
  "hex": "#64656b",
  "rgb": {
    "r": 100,
    "g": 101,
    "b": 107
  },
  "hsl": {
    "h": 231.429,
    "s": 3.382,
    "l": 40.588
  },
  "oklch": {
    "l": 0.50791,
    "c": 0.00949,
    "h": 278.5
  },
  "luminance": 0.13078
}

Semantic roles & 50–950 ramp

primary
#64656B
secondary
#989793
accent
#A67BAD
background
#F8F8F9
surface
#F0F0F1
border
#CBCBCB
text
#0C0C0D
muted
#7D7D7E

Preview Lab

Preview with #64656B

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

Preview Lab → · Contrast checker → · Palette generator →

#64656B Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva