#646263#646263

#646263 is a mid, near-neutral grey. Relative luminance 0.123; OKLCH L 49.8% C 0.003 H 345.3°. Best body text is #FFFFFF at 6.05:1 contrast (WCAG AA passes).

Color values

HEX#646263
RGBrgb(100, 98, 99)
HSLhsl(330, 1%, 39%)
HSVhsv(330, 2%, 39%)
CMYKcmyk(0%, 2%, 1%, 60.8%)
CIE-LABlab(41.76, 0.99, -0.29)
CIE-LCHlch(41.76, 1.03, 343.81°)
OKLaboklab(49.83% 0.0029 -0.0007)
OKLCHoklch(49.83% 0.003 345.3)
XYZxyz(11.8750, 12.3456, 13.5593)
Luminance0.1235 (WCAG relative)
Temperatureneutral
Familygrey

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#646263 #626463
analogous
#646264 #646263 #646262
triadic
#646263 #636462 #626364
tetradic
#646263 #646462 #626463 #626264
square
#646263 #646462 #626463 #626264
split-complementary
#646263 #626462 #626464
monochromatic
#262526 #454444 #646263 #838082 #A19FA0

Accessibility & contrast

On white

6.05
#646263 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.47
#646263 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #646263
6.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##646263#FFFFFF#000000##FFFFFF
##6462631.006.053.476.05
#FFFFFF6.051.0021.001.00
#0000003.4721.001.0021.00
##FFFFFF6.051.0021.001.00

Color blindness preview

Protanopia (red-blind)
#626263
Deuteranopia (green-blind)
#636363
Tritanopia (blue-blind)
#646262
Achromatopsia (no color)
#636363

Design tokens & code

CSS
--color: #646263;
/* rgb */ color: rgb(100, 98, 99);
/* oklch */ color: oklch(49.8% 0.003 345.3);
Tailwind
colors: {
  custom: {
    50: '#908e8f',
    500: '#646263',
    950: '#000000',
  },
}
SCSS
$custom: #646263;
$custom-light: #908e8f;
$custom-dark: #000000;
JSON
{
  "hex": "#646263",
  "rgb": {
    "r": 100,
    "g": 98,
    "b": 99
  },
  "hsl": {
    "h": 330,
    "s": 1.01,
    "l": 38.824
  },
  "oklch": {
    "l": 0.49831,
    "c": 0.00296,
    "h": 345.3
  },
  "luminance": 0.12346
}

Semantic roles & 50–950 ramp

primary
#646263
secondary
#909291
accent
#AA947E
background
#F8F8F8
surface
#F0F0F0
border
#CBCBCB
text
#0C0C0C
muted
#7D7D7D

Preview Lab

Preview with #646263

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

Preview Lab → · Contrast checker → · Palette generator →

#646263 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva