#647C7E#647C7E

#647C7E is a mid, muted teal. Relative luminance 0.186; OKLCH L 56.8% C 0.028 H 202.7°. Best body text is #000000 at 4.73:1 contrast (WCAG AA passes).

Color values

HEX#647C7E
RGBrgb(100, 124, 126)
HSLhsl(185, 12%, 44%)
HSVhsv(185, 21%, 49%)
CMYKcmyk(20.6%, 1.6%, 0%, 50.6%)
CIE-LABlab(50.25, -8.19, -3.97)
CIE-LCHlch(50.25, 9.10, 205.88°)
OKLaboklab(56.8% -0.0259 -0.0108)
OKLCHoklch(56.8% 0.028 202.7)
XYZxyz(16.2280, 18.6304, 22.4756)
Luminance0.1863 (WCAG relative)
Temperatureneutral
Familyteal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#647C7E #7E6664
analogous
#647E73 #647C7E #646F7E
triadic
#647C7E #7E647C #7C7E64
tetradic
#647C7E #73647E #7E6664 #6F7E64
square
#647C7E #73647E #7E6664 #6F7E64
split-complementary
#647C7E #7E646F #7E7364
monochromatic
#2E393A #495A5C #647C7E #839A9C #A5B6B7

Accessibility & contrast

On white

4.44
#647C7E on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

4.73
#647C7E on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #647C7E
4.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##647C7E#FFFFFF#000000##000000
##647C7E1.004.444.734.73
#FFFFFF4.441.0021.0021.00
#0000004.7321.001.001.00
##0000004.7321.001.001.00

Color blindness preview

Protanopia (red-blind)
#787A7E
Deuteranopia (green-blind)
#73767E
Tritanopia (blue-blind)
#5C7E7D
Achromatopsia (no color)
#787878

Design tokens & code

CSS
--color: #647c7e;
/* rgb */ color: rgb(100, 124, 126);
/* oklch */ color: oklch(56.8% 0.028 202.7);
Tailwind
colors: {
  custom: {
    50: '#90a2a3',
    500: '#647c7e',
    950: '#000000',
  },
}
SCSS
$custom: #647c7e;
$custom-light: #90a2a3;
$custom-dark: #000000;
JSON
{
  "hex": "#647c7e",
  "rgb": {
    "r": 100,
    "g": 124,
    "b": 126
  },
  "hsl": {
    "h": 184.615,
    "s": 11.504,
    "l": 44.314
  },
  "oklch": {
    "l": 0.56803,
    "c": 0.02803,
    "h": 202.7
  },
  "luminance": 0.18631
}

Semantic roles & 50–950 ramp

primary
#647C7E
secondary
#A79897
accent
#7873B4
background
#F8F9FA
surface
#F0F2F3
border
#CBCCCD
text
#0C0F0F
muted
#7D7E7F

Preview Lab

Preview with #647C7E

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

Preview Lab → · Contrast checker → · Palette generator →

#647C7E Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva