#647271#647271

#647271 is a mid, near-neutral grey. Relative luminance 0.159; OKLCH L 54.0% C 0.017 H 191.4°. Best body text is #FFFFFF at 5.02:1 contrast (WCAG AA passes).

Color values

HEX	#647271
RGB	rgb(100, 114, 113)
HSL	hsl(176, 7%, 42%)
HSV	hsv(176, 12%, 45%)
CMYK	cmyk(12.3%, 0%, 0.9%, 55.3%)
CIE-LAB	lab(46.89, -5.44, -1.22)
CIE-LCH	lch(46.89, 5.58, 192.66°)
OKLab	oklab(54.01% -0.0165 -0.0033)
OKLCH	oklch(54.01% 0.017 191.4)
XYZ	xyz(14.2528, 15.9359, 17.9446)
Luminance	0.1594 (WCAG relative)
Temperature	neutral
Family	grey

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#647271 #726465

analogous

#64726A #647271 #646C72

triadic

#647271 #716472 #727164

tetradic

#647271 #6A6472 #726465 #6C7264

square

#647271 #6A6472 #726465 #6C7264

split-complementary

#647271 #72646C #726A64

monochromatic

#2B3130 #475151 #647271 #829190 #A3AEAD

Accessibility & contrast

On white

5.02

#647271 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.19

#647271 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #647271

5.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##647271	#FFFFFF	#000000	##FFFFFF
##647271	1.00	5.02	4.19	5.02
#FFFFFF	5.02	1.00	21.00	1.00
#000000	4.19	21.00	1.00	21.00
##FFFFFF	5.02	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#707071

Deuteranopia (green-blind)

#6D6E71

Tritanopia (blue-blind)

#607372

Achromatopsia (no color)

#6F6F6F

Design tokens & code

CSS

--color: #647271;
/* rgb */ color: rgb(100, 114, 113);
/* oklch */ color: oklch(54.0% 0.017 191.4);

Tailwind

colors: {
  custom: {
    50: '#909a99',
    500: '#647271',
    950: '#000000',
  },
}

SCSS

$custom: #647271;
$custom-light: #909a99;
$custom-dark: #000000;

JSON

{
  "hex": "#647271",
  "rgb": {
    "r": 100,
    "g": 114,
    "b": 113
  },
  "hsl": {
    "h": 175.714,
    "s": 6.542,
    "l": 41.961
  },
  "oklch": {
    "l": 0.54011,
    "c": 0.01687,
    "h": 191.4
  },
  "luminance": 0.15936
}

Semantic roles & 50–950 ramp

primary

#647271

secondary

#9E9495

accent

#787CB0

background

#F8F9F9

surface

#F0F2F2

border

#CBCCCC

text

#0C0E0E

muted

#7D7E7E

Preview Lab

Preview with #647271

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

Preview Lab → · Contrast checker → · Palette generator →