#637372#637372

#637372 is a mid, near-neutral grey. Relative luminance 0.161; OKLCH L 54.2% C 0.019 H 192.0°. Best body text is #FFFFFF at 4.97:1 contrast (WCAG AA passes).

Color values

HEX	#637372
RGB	rgb(99, 115, 114)
HSL	hsl(176, 7%, 42%)
HSV	hsv(176, 14%, 45%)
CMYK	cmyk(13.9%, 0%, 0.9%, 54.9%)
CIE-LAB	lab(47.14, -6.16, -1.46)
CIE-LCH	lch(47.14, 6.33, 193.30°)
OKLab	oklab(54.2% -0.0187 -0.004)
OKLCH	oklch(54.2% 0.019 192)
XYZ	xyz(14.3128, 16.1287, 18.2754)
Luminance	0.1613 (WCAG relative)
Temperature	neutral
Family	grey

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#637372 #736364

analogous

#63736A #637372 #636C73

triadic

#637372 #726373 #737263

tetradic

#637372 #6A6373 #736364 #6C7363

square

#637372 #6A6373 #736364 #6C7363

split-complementary

#637372 #73636C #736A63

monochromatic

#2A3131 #475251 #637372 #819291 #A2AFAE

Accessibility & contrast

On white

4.97

#637372 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.23

#637372 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #637372

4.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##637372	#FFFFFF	#000000	##FFFFFF
##637372	1.00	4.97	4.23	4.97
#FFFFFF	4.97	1.00	21.00	1.00
#000000	4.23	21.00	1.00	21.00
##FFFFFF	4.97	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#717172

Deuteranopia (green-blind)

#6E6F72

Tritanopia (blue-blind)

#5F7473

Achromatopsia (no color)

#707070

Design tokens & code

CSS

--color: #637372;
/* rgb */ color: rgb(99, 115, 114);
/* oklch */ color: oklch(54.2% 0.019 192.0);

Tailwind

colors: {
  custom: {
    50: '#8f9b9a',
    500: '#637372',
    950: '#000000',
  },
}

SCSS

$custom: #637372;
$custom-light: #8f9b9a;
$custom-dark: #000000;

JSON

{
  "hex": "#637372",
  "rgb": {
    "r": 99,
    "g": 115,
    "b": 114
  },
  "hsl": {
    "h": 176.25,
    "s": 7.477,
    "l": 41.961
  },
  "oklch": {
    "l": 0.54202,
    "c": 0.01917,
    "h": 192
  },
  "luminance": 0.16129
}

Semantic roles & 50–950 ramp

primary

#637372

secondary

#9E9494

accent

#777BB1

background

#F8F9F9

surface

#F0F2F2

border

#CBCCCC

text

#0C0E0E

muted

#7D7E7E

Preview Lab

Preview with #637372

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

Preview Lab → · Contrast checker → · Palette generator →