#647E7A#647E7A

#647E7A is a mid, muted teal. Relative luminance 0.190; OKLCH L 57.1% C 0.031 H 184.9°. Best body text is #000000 at 4.81:1 contrast (WCAG AA passes).

Color values

HEX	#647E7A
RGB	rgb(100, 126, 122)
HSL	hsl(171, 12%, 44%)
HSV	hsv(171, 21%, 49%)
CMYK	cmyk(20.6%, 0%, 3.2%, 50.6%)
CIE-LAB	lab(50.73, -10.24, -0.92)
CIE-LCH	lch(50.73, 10.28, 185.13°)
OKLab	oklab(57.14% -0.0305 -0.0026)
OKLCH	oklch(57.14% 0.031 184.9)
XYZ	xyz(16.2282, 19.0356, 21.2278)
Luminance	0.1904 (WCAG relative)
Temperature	neutral
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#647E7A #7E6468

analogous

#647E6D #647E7A #64757E

triadic

#647E7A #7A647E #7E7A64

tetradic

#647E7A #6D647E #7E6468 #757E64

square

#647E7A #6D647E #7E6468 #757E64

split-complementary

#647E7A #7E6475 #7E6D64

monochromatic

#2E3A38 #495C59 #647E7A #839C98 #A5B7B5

Accessibility & contrast

On white

4.37

#647E7A on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.81

#647E7A on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #647E7A

4.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##647E7A	#FFFFFF	#000000	##000000
##647E7A	1.00	4.37	4.81	4.81
#FFFFFF	4.37	1.00	21.00	21.00
#000000	4.81	21.00	1.00	1.00
##000000	4.81	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7B7B7A

Deuteranopia (green-blind)

#76777A

Tritanopia (blue-blind)

#5D7F7D

Achromatopsia (no color)

#797979

Design tokens & code

CSS

--color: #647e7a;
/* rgb */ color: rgb(100, 126, 122);
/* oklch */ color: oklch(57.1% 0.031 184.9);

Tailwind

colors: {
  custom: {
    50: '#90a3a0',
    500: '#647e7a',
    950: '#000000',
  },
}

SCSS

$custom: #647e7a;
$custom-light: #90a3a0;
$custom-dark: #000000;

JSON

{
  "hex": "#647e7a",
  "rgb": {
    "r": 100,
    "g": 126,
    "b": 122
  },
  "hsl": {
    "h": 170.769,
    "s": 11.504,
    "l": 44.314
  },
  "oklch": {
    "l": 0.57142,
    "c": 0.03066,
    "h": 184.9
  },
  "luminance": 0.19036
}

Semantic roles & 50–950 ramp

primary

#647E7A

secondary

#A7979A

accent

#737DB4

background

#F8FAF9

surface

#F0F3F2

border

#CBCDCC

text

#0C0F0E

muted

#7D7F7E

Preview Lab

Preview with #647E7A

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

Preview Lab → · Contrast checker → · Palette generator →