#647070#647070

#647070 is a mid, near-neutral grey. Relative luminance 0.155; OKLCH L 53.5% C 0.015 H 196.7°. Best body text is #FFFFFF at 5.13:1 contrast (WCAG AA passes).

Color values

HEX	#647070
RGB	rgb(100, 112, 112)
HSL	hsl(180, 6%, 42%)
HSV	hsv(180, 11%, 44%)
CMYK	cmyk(10.7%, 0%, 0%, 56.1%)
CIE-LAB	lab(46.27, -4.50, -1.54)
CIE-LCH	lch(46.27, 4.76, 198.86°)
OKLab	oklab(53.51% -0.0139 -0.0042)
OKLCH	oklch(53.51% 0.015 196.7)
XYZ	xyz(13.9736, 15.4673, 17.5754)
Luminance	0.1547 (WCAG relative)
Temperature	neutral
Family	grey

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#647070 #706464

analogous

#64706A #647070 #646A70

triadic

#647070 #706470 #707064

tetradic

#647070 #6A6470 #706464 #6A7064

square

#647070 #6A6470 #706464 #6A7064

split-complementary

#647070 #70646A #706A64

monochromatic

#2A2F2F #475050 #647070 #828F8F #A2ACAC

Accessibility & contrast

On white

5.13

#647070 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.09

#647070 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #647070

5.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##647070	#FFFFFF	#000000	##FFFFFF
##647070	1.00	5.13	4.09	5.13
#FFFFFF	5.13	1.00	21.00	1.00
#000000	4.09	21.00	1.00	21.00
##FFFFFF	5.13	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#6E6F70

Deuteranopia (green-blind)

#6C6D70

Tritanopia (blue-blind)

#617170

Achromatopsia (no color)

#6E6E6E

Design tokens & code

CSS

--color: #647070;
/* rgb */ color: rgb(100, 112, 112);
/* oklch */ color: oklch(53.5% 0.015 196.7);

Tailwind

colors: {
  custom: {
    50: '#909999',
    500: '#647070',
    950: '#000000',
  },
}

SCSS

$custom: #647070;
$custom-light: #909999;
$custom-dark: #000000;

JSON

{
  "hex": "#647070",
  "rgb": {
    "r": 100,
    "g": 112,
    "b": 112
  },
  "hsl": {
    "h": 180,
    "s": 5.66,
    "l": 41.569
  },
  "oklch": {
    "l": 0.53509,
    "c": 0.0145,
    "h": 196.7
  },
  "luminance": 0.15468
}

Semantic roles & 50–950 ramp

primary

#647070

secondary

#9C9494

accent

#7979AF

background

#F8F9F9

surface

#F0F2F2

border

#CBCCCC

text

#0C0D0D

muted

#7D7E7E

Preview Lab

Preview with #647070

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

Preview Lab → · Contrast checker → · Palette generator →