#647472#647472

#647472 is a mid, near-neutral grey. Relative luminance 0.164; OKLCH L 54.5% C 0.019 H 187.5°. Best body text is #FFFFFF at 4.90:1 contrast (WCAG AA passes).

Color values

HEX#647472
RGBrgb(100, 116, 114)
HSLhsl(173, 7%, 42%)
HSVhsv(173, 14%, 45%)
CMYKcmyk(13.8%, 0%, 1.7%, 54.5%)
CIE-LABlab(47.51, -6.37, -0.90)
CIE-LCHlch(47.51, 6.44, 188.07°)
OKLaboklab(54.51% -0.0192 -0.0025)
OKLCHoklch(54.51% 0.019 187.5)
XYZxyz(14.5374, 16.4147, 18.3188)
Luminance0.1641 (WCAG relative)
Temperatureneutral
Familygrey

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#647472 #746466
analogous
#64746A #647472 #646E74
triadic
#647472 #726474 #747264
tetradic
#647472 #6A6474 #746466 #6E7464
square
#647472 #6A6474 #746466 #6E7464
split-complementary
#647472 #74646E #746A64
monochromatic
#2B3231 #485352 #647472 #829391 #A3B0AE

Accessibility & contrast

On white

4.90
#647472 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

4.28
#647472 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #647472
4.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##647472#FFFFFF#000000##FFFFFF
##6474721.004.904.284.90
#FFFFFF4.901.0021.001.00
#0000004.2821.001.0021.00
##FFFFFF4.901.0021.001.00

Color blindness preview

Protanopia (red-blind)
#727272
Deuteranopia (green-blind)
#6F7072
Tritanopia (blue-blind)
#607573
Achromatopsia (no color)
#717171

Design tokens & code

CSS
--color: #647472;
/* rgb */ color: rgb(100, 116, 114);
/* oklch */ color: oklch(54.5% 0.019 187.5);
Tailwind
colors: {
  custom: {
    50: '#909c9a',
    500: '#647472',
    950: '#000000',
  },
}
SCSS
$custom: #647472;
$custom-light: #909c9a;
$custom-dark: #000000;
JSON
{
  "hex": "#647472",
  "rgb": {
    "r": 100,
    "g": 116,
    "b": 114
  },
  "hsl": {
    "h": 172.5,
    "s": 7.407,
    "l": 42.353
  },
  "oklch": {
    "l": 0.54514,
    "c": 0.01932,
    "h": 187.5
  },
  "luminance": 0.16415
}

Semantic roles & 50–950 ramp

primary
#647472
secondary
#9F9596
accent
#777EB0
background
#F8F9F9
surface
#F0F2F2
border
#CBCCCC
text
#0C0E0E
muted
#7D7E7E

Preview Lab

Preview with #647472

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

Preview Lab → · Contrast checker → · Palette generator →

#647472 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva