#647A7C#647A7C

#647A7C is a mid, muted teal. Relative luminance 0.181; OKLCH L 56.3% C 0.026 H 203.2°. Best body text is #000000 at 4.62:1 contrast (WCAG AA passes).

Color values

HEX	#647A7C
RGB	rgb(100, 122, 124)
HSL	hsl(185, 11%, 44%)
HSV	hsv(185, 19%, 49%)
CMYK	cmyk(19.4%, 1.6%, 0%, 51.4%)
CIE-LAB	lab(49.60, -7.52, -3.76)
CIE-LCH	lch(49.60, 8.41, 206.57°)
OKLab	oklab(56.26% -0.0238 -0.0102)
OKLCH	oklch(56.26% 0.026 203.2)
XYZ	xyz(15.8521, 18.0831, 21.7200)
Luminance	0.1808 (WCAG relative)
Temperature	neutral
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#647A7C #7C6664

analogous

#647C72 #647A7C #646E7C

triadic

#647A7C #7C647A #7A7C64

tetradic

#647A7C #72647C #7C6664 #6E7C64

square

#647A7C #72647C #7C6664 #6E7C64

split-complementary

#647A7C #7C646E #7C7264

monochromatic

#2D3738 #49595A #647A7C #83999B #A4B5B6

Accessibility & contrast

On white

4.55

#647A7C on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.62

#647A7C on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #647A7C

4.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##647A7C	#FFFFFF	#000000	##000000
##647A7C	1.00	4.55	4.62	4.62
#FFFFFF	4.55	1.00	21.00	21.00
#000000	4.62	21.00	1.00	1.00
##000000	4.62	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#77787C

Deuteranopia (green-blind)

#72747C

Tritanopia (blue-blind)

#5D7C7B

Achromatopsia (no color)

#767676

Design tokens & code

CSS

--color: #647a7c;
/* rgb */ color: rgb(100, 122, 124);
/* oklch */ color: oklch(56.3% 0.026 203.2);

Tailwind

colors: {
  custom: {
    50: '#90a0a1',
    500: '#647a7c',
    950: '#000000',
  },
}

SCSS

$custom: #647a7c;
$custom-light: #90a0a1;
$custom-dark: #000000;

JSON

{
  "hex": "#647a7c",
  "rgb": {
    "r": 100,
    "g": 122,
    "b": 124
  },
  "hsl": {
    "h": 185,
    "s": 10.714,
    "l": 43.922
  },
  "oklch": {
    "l": 0.56263,
    "c": 0.0259,
    "h": 203.2
  },
  "luminance": 0.18084
}

Semantic roles & 50–950 ramp

primary

#647A7C

secondary

#A59897

accent

#7974B4

background

#F8F9F9

surface

#F0F2F2

border

#CBCCCC

text

#0C0E0F

muted

#7D7E7E

Preview Lab

Preview with #647A7C

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

Preview Lab → · Contrast checker → · Palette generator →