#646E69#646E69

#646E69 is a mid, near-neutral grey. Relative luminance 0.149; OKLCH L 52.8% C 0.014 H 164.4°. Best body text is #FFFFFF at 5.28:1 contrast (WCAG AA passes).

Color values

HEX#646E69
RGBrgb(100, 110, 105)
HSLhsl(150, 5%, 41%)
HSVhsv(150, 9%, 43%)
CMYKcmyk(9.1%, 0%, 4.5%, 56.9%)
CIE-LABlab(45.47, -4.85, 1.49)
CIE-LCHlch(45.47, 5.08, 162.94°)
OKLaboklab(52.81% -0.0139 0.0039)
OKLCHoklch(52.81% 0.014 164.4)
XYZxyz(13.3807, 14.8809, 15.5292)
Luminance0.1488 (WCAG relative)
Temperatureneutral
Familygrey

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#646E69 #6E6469
analogous
#646E64 #646E69 #646E6E
triadic
#646E69 #69646E #6E6964
tetradic
#646E69 #64646E #6E6469 #6E6E64
square
#646E69 #64646E #6E6469 #6E6E64
split-complementary
#646E69 #6E646E #6E6464
monochromatic
#2A2E2C #474E4A #646E69 #828D88 #A2AAA6

Accessibility & contrast

On white

5.28
#646E69 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.98
#646E69 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #646E69
5.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##646E69#FFFFFF#000000##FFFFFF
##646E691.005.283.985.28
#FFFFFF5.281.0021.001.00
#0000003.9821.001.0021.00
##FFFFFF5.281.0021.001.00

Color blindness preview

Protanopia (red-blind)
#6E6C69
Deuteranopia (green-blind)
#6C6B69
Tritanopia (blue-blind)
#626E6C
Achromatopsia (no color)
#6C6C6C

Design tokens & code

CSS
--color: #646e69;
/* rgb */ color: rgb(100, 110, 105);
/* oklch */ color: oklch(52.8% 0.014 164.4);
Tailwind
colors: {
  custom: {
    50: '#909793',
    500: '#646e69',
    950: '#000000',
  },
}
SCSS
$custom: #646e69;
$custom-light: #909793;
$custom-dark: #000000;
JSON
{
  "hex": "#646e69",
  "rgb": {
    "r": 100,
    "g": 110,
    "b": 105
  },
  "hsl": {
    "h": 150,
    "s": 4.762,
    "l": 41.176
  },
  "oklch": {
    "l": 0.52812,
    "c": 0.0144,
    "h": 164.4
  },
  "luminance": 0.14881
}

Semantic roles & 50–950 ramp

primary
#646E69
secondary
#9A9397
accent
#7A94AE
background
#F8F9F9
surface
#F0F2F1
border
#CBCCCB
text
#0C0D0D
muted
#7D7E7E

Preview Lab

Preview with #646E69

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

Preview Lab → · Contrast checker → · Palette generator →

#646E69 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva