#646972#646972

#646972 is a mid, near-neutral grey. Relative luminance 0.140; OKLCH L 52.0% C 0.015 H 262.3°. Best body text is #FFFFFF at 5.52:1 contrast (WCAG AA passes).

Color values

HEX#646972
RGBrgb(100, 105, 114)
HSLhsl(219, 7%, 42%)
HSVhsv(219, 12%, 45%)
CMYKcmyk(12.3%, 7.9%, 0%, 55.3%)
CIE-LABlab(44.27, 0.07, -5.69)
CIE-LCHlch(44.27, 5.69, 270.74°)
OKLaboklab(51.96% -0.0021 -0.0153)
OKLCHoklch(51.96% 0.015 262.3)
XYZxyz(13.3437, 14.0272, 17.9208)
Luminance0.1403 (WCAG relative)
Temperatureneutral
Familygrey

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#646972 #726D64
analogous
#647072 #646972 #666472
triadic
#646972 #726469 #697264
tetradic
#646972 #726470 #726D64 #647266
square
#646972 #726470 #726D64 #647266
split-complementary
#646972 #726664 #707264
monochromatic
#2B2D31 #474B51 #646972 #828791 #A3A7AE

Accessibility & contrast

On white

5.52
#646972 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.81
#646972 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #646972
5.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##646972#FFFFFF#000000##FFFFFF
##6469721.005.523.815.52
#FFFFFF5.521.0021.001.00
#0000003.8121.001.0021.00
##FFFFFF5.521.0021.001.00

Color blindness preview

Protanopia (red-blind)
#666972
Deuteranopia (green-blind)
#656872
Tritanopia (blue-blind)
#616B6C
Achromatopsia (no color)
#696969

Design tokens & code

CSS
--color: #646972;
/* rgb */ color: rgb(100, 105, 114);
/* oklch */ color: oklch(52.0% 0.015 262.3);
Tailwind
colors: {
  custom: {
    50: '#90939a',
    500: '#646972',
    950: '#000000',
  },
}
SCSS
$custom: #646972;
$custom-light: #90939a;
$custom-dark: #000000;
JSON
{
  "hex": "#646972",
  "rgb": {
    "r": 100,
    "g": 105,
    "b": 114
  },
  "hsl": {
    "h": 218.571,
    "s": 6.542,
    "l": 41.961
  },
  "oklch": {
    "l": 0.51958,
    "c": 0.01545,
    "h": 262.3
  },
  "luminance": 0.14027
}

Semantic roles & 50–950 ramp

primary
#646972
secondary
#9E9A94
accent
#9C78B0
background
#F8F9F9
surface
#F0F1F2
border
#CBCBCC
text
#0C0D0E
muted
#7D7E7E

Preview Lab

Preview with #646972

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

Preview Lab → · Contrast checker → · Palette generator →

#646972 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva