#647E7E#647E7E

#647E7E is a mid, muted teal. Relative luminance 0.191; OKLCH L 57.3% C 0.030 H 196.3°. Best body text is #000000 at 4.83:1 contrast (WCAG AA passes).

Color values

HEX	#647E7E
RGB	rgb(100, 126, 126)
HSL	hsl(180, 12%, 44%)
HSV	hsv(180, 21%, 49%)
CMYK	cmyk(20.6%, 0%, 0%, 50.6%)
CIE-LAB	lab(50.85, -9.32, -3.09)
CIE-LCH	lch(50.85, 9.82, 198.37°)
OKLab	oklab(57.28% -0.0288 -0.0084)
OKLCH	oklch(57.28% 0.03 196.3)
XYZ	xyz(16.4812, 19.1368, 22.5600)
Luminance	0.1914 (WCAG relative)
Temperature	neutral
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#647E7E #7E6464

analogous

#647E71 #647E7E #64717E

triadic

#647E7E #7E647E #7E7E64

tetradic

#647E7E #71647E #7E6464 #717E64

square

#647E7E #71647E #7E6464 #717E64

split-complementary

#647E7E #7E6471 #7E7164

monochromatic

#2E3A3A #495C5C #647E7E #839C9C #A5B7B7

Accessibility & contrast

On white

4.35

#647E7E on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.83

#647E7E on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #647E7E

4.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##647E7E	#FFFFFF	#000000	##000000
##647E7E	1.00	4.35	4.83	4.83
#FFFFFF	4.35	1.00	21.00	21.00
#000000	4.83	21.00	1.00	1.00
##000000	4.83	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7A7B7E

Deuteranopia (green-blind)

#75777E

Tritanopia (blue-blind)

#5C807E

Achromatopsia (no color)

#797979

Design tokens & code

CSS

--color: #647e7e;
/* rgb */ color: rgb(100, 126, 126);
/* oklch */ color: oklch(57.3% 0.030 196.3);

Tailwind

colors: {
  custom: {
    50: '#90a3a3',
    500: '#647e7e',
    950: '#000000',
  },
}

SCSS

$custom: #647e7e;
$custom-light: #90a3a3;
$custom-dark: #000000;

JSON

{
  "hex": "#647e7e",
  "rgb": {
    "r": 100,
    "g": 126,
    "b": 126
  },
  "hsl": {
    "h": 180,
    "s": 11.504,
    "l": 44.314
  },
  "oklch": {
    "l": 0.57275,
    "c": 0.03,
    "h": 196.3
  },
  "luminance": 0.19137
}

Semantic roles & 50–950 ramp

primary

#647E7E

secondary

#A79797

accent

#7373B4

background

#F8FAFA

surface

#F0F3F3

border

#CBCDCD

text

#0C0F0F

muted

#7D7F7F

Preview Lab

Preview with #647E7E

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

Preview Lab → · Contrast checker → · Palette generator →