#63646E#63646E

#63646E is a mid, near-neutral grey. Relative luminance 0.129; OKLCH L 50.6% C 0.016 H 281.3°. Best body text is #FFFFFF at 5.87:1 contrast (WCAG AA passes).

Color values

HEX#63646E
RGBrgb(99, 100, 110)
HSLhsl(235, 5%, 41%)
HSVhsv(235, 10%, 43%)
CMYKcmyk(10%, 9.1%, 0%, 56.9%)
CIE-LABlab(42.60, 1.79, -5.76)
CIE-LCHlch(42.60, 6.03, 287.28°)
OKLaboklab(50.58% 0.0031 -0.0155)
OKLCHoklch(50.58% 0.016 281.3)
XYZxyz(12.5167, 12.8927, 16.5779)
Luminance0.1289 (WCAG relative)
Temperatureneutral
Familygrey

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#63646E #6E6D63
analogous
#63696E #63646E #67636E
triadic
#63646E #6E6364 #646E63
tetradic
#63646E #6E6369 #6E6D63 #636E67
square
#63646E #6E6369 #6E6D63 #636E67
split-complementary
#63646E #6E6763 #696E63
monochromatic
#29292E #46474E #63646E #81828D #A1A2AA

Accessibility & contrast

On white

5.87
#63646E on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.58
#63646E on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #63646E
5.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##63646E#FFFFFF#000000##FFFFFF
##63646E1.005.873.585.87
#FFFFFF5.871.0021.001.00
#0000003.5821.001.0021.00
##FFFFFF5.871.0021.001.00

Color blindness preview

Protanopia (red-blind)
#62656E
Deuteranopia (green-blind)
#61646E
Tritanopia (blue-blind)
#616667
Achromatopsia (no color)
#656565

Design tokens & code

CSS
--color: #63646e;
/* rgb */ color: rgb(99, 100, 110);
/* oklch */ color: oklch(50.6% 0.016 281.3);
Tailwind
colors: {
  custom: {
    50: '#8f9097',
    500: '#63646e',
    950: '#000000',
  },
}
SCSS
$custom: #63646e;
$custom-light: #8f9097;
$custom-dark: #000000;
JSON
{
  "hex": "#63646e",
  "rgb": {
    "r": 99,
    "g": 100,
    "b": 110
  },
  "hsl": {
    "h": 234.545,
    "s": 5.263,
    "l": 40.98
  },
  "oklch": {
    "l": 0.50583,
    "c": 0.01578,
    "h": 281.3
  },
  "luminance": 0.12893
}

Semantic roles & 50–950 ramp

primary
#63646E
secondary
#9A9A93
accent
#AA79AE
background
#F8F8F9
surface
#F0F0F2
border
#CBCBCC
text
#0C0C0D
muted
#7D7D7E

Preview Lab

Preview with #63646E

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

Preview Lab → · Contrast checker → · Palette generator →

#63646E Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva