#636A67#636A67

#636A67 is a mid, near-neutral grey. Relative luminance 0.139; OKLCH L 51.7% C 0.010 H 168.5°. Best body text is #FFFFFF at 5.54:1 contrast (WCAG AA passes).

Color values

HEX	#636A67
RGB	rgb(99, 106, 103)
HSL	hsl(154, 3%, 40%)
HSV	hsv(154, 7%, 42%)
CMYK	cmyk(6.6%, 0%, 2.8%, 58.4%)
CIE-LAB	lab(44.15, -3.32, 0.76)
CIE-LCH	lch(44.15, 3.40, 167.15°)
OKLab	oklab(51.73% -0.0096 0.002)
OKLCH	oklch(51.73% 0.01 168.5)
XYZ	xyz(12.7473, 13.9399, 14.8484)
Luminance	0.1394 (WCAG relative)
Temperature	neutral
Family	grey

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#636A67 #6A6366

analogous

#636A63 #636A67 #636A6A

triadic

#636A67 #67636A #6A6763

tetradic

#636A67 #63636A #6A6366 #6A6A63

square

#636A67 #63636A #6A6366 #6A6A63

split-complementary

#636A67 #6A636A #6A6363

monochromatic

#282B2A #454A48 #636A67 #818986 #A1A7A4

Accessibility & contrast

On white

5.54

#636A67 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.79

#636A67 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #636A67

5.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##636A67	#FFFFFF	#000000	##FFFFFF
##636A67	1.00	5.54	3.79	5.54
#FFFFFF	5.54	1.00	21.00	1.00
#000000	3.79	21.00	1.00	21.00
##FFFFFF	5.54	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#6A6967

Deuteranopia (green-blind)

#686867

Tritanopia (blue-blind)

#626A69

Achromatopsia (no color)

#686868

Design tokens & code

CSS

--color: #636a67;
/* rgb */ color: rgb(99, 106, 103);
/* oklch */ color: oklch(51.7% 0.010 168.5);

Tailwind

colors: {
  custom: {
    50: '#8f9492',
    500: '#636a67',
    950: '#000000',
  },
}

SCSS

$custom: #636a67;
$custom-light: #8f9492;
$custom-dark: #000000;

JSON

{
  "hex": "#636a67",
  "rgb": {
    "r": 99,
    "g": 106,
    "b": 103
  },
  "hsl": {
    "h": 154.286,
    "s": 3.415,
    "l": 40.196
  },
  "oklch": {
    "l": 0.51727,
    "c": 0.00977,
    "h": 168.5
  },
  "luminance": 0.1394
}

Semantic roles & 50–950 ramp

primary

#636A67

secondary

#979294

accent

#7B90AD

background

#F8F9F8

surface

#F0F1F0

border

#CBCBCB

text

#0C0D0D

muted

#7D7E7D

Preview Lab

Preview with #636A67

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

Preview Lab → · Contrast checker → · Palette generator →