#636670#636670

#636670 is a mid, near-neutral grey. Relative luminance 0.133; OKLCH L 51.1% C 0.016 H 272.5°. Best body text is #FFFFFF at 5.73:1 contrast (WCAG AA passes).

Color values

HEX	#636670
RGB	rgb(99, 102, 112)
HSL	hsl(226, 6%, 41%)
HSV	hsv(226, 12%, 44%)
CMYK	cmyk(11.6%, 8.9%, 0%, 56.1%)
CIE-LAB	lab(43.25, 1.04, -6.01)
CIE-LCH	lch(43.25, 6.10, 279.85°)
OKLab	oklab(51.11% 0.0007 -0.0162)
OKLCH	oklch(51.11% 0.016 272.5)
XYZ	xyz(12.8210, 13.3251, 17.2226)
Luminance	0.1333 (WCAG relative)
Temperature	neutral
Family	grey

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#636670 #706D63

analogous

#636D70 #636670 #676370

triadic

#636670 #706366 #667063

tetradic

#636670 #70636D #706D63 #637067

square

#636670 #70636D #706D63 #637067

split-complementary

#636670 #706763 #6D7063

monochromatic

#2A2B2F #464850 #636670 #81848F #A1A4AC

Accessibility & contrast

On white

5.73

#636670 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.67

#636670 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #636670

5.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##636670	#FFFFFF	#000000	##FFFFFF
##636670	1.00	5.73	3.67	5.73
#FFFFFF	5.73	1.00	21.00	1.00
#000000	3.67	21.00	1.00	21.00
##FFFFFF	5.73	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#636771

Deuteranopia (green-blind)

#626670

Tritanopia (blue-blind)

#606869

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #636670;
/* rgb */ color: rgb(99, 102, 112);
/* oklch */ color: oklch(51.1% 0.016 272.5);

Tailwind

colors: {
  custom: {
    50: '#8f9199',
    500: '#636670',
    950: '#000000',
  },
}

SCSS

$custom: #636670;
$custom-light: #8f9199;
$custom-dark: #000000;

JSON

{
  "hex": "#636670",
  "rgb": {
    "r": 99,
    "g": 102,
    "b": 112
  },
  "hsl": {
    "h": 226.154,
    "s": 6.161,
    "l": 41.373
  },
  "oklch": {
    "l": 0.51113,
    "c": 0.01619,
    "h": 272.5
  },
  "luminance": 0.13325
}

Semantic roles & 50–950 ramp

primary

#636670

secondary

#9C9A93

accent

#A379AF

background

#F8F8F9

surface

#F0F0F2

border

#CBCBCC

text

#0C0C0D

muted

#7D7D7E

Preview Lab

Preview with #636670

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

Preview Lab → · Contrast checker → · Palette generator →