#645C60#645C60

#645C60 is a mid, near-neutral grey. Relative luminance 0.112; OKLCH L 48.4% C 0.012 H 345.8°. Best body text is #FFFFFF at 6.48:1 contrast (WCAG AA passes).

Color values

HEX	#645C60
RGB	rgb(100, 92, 96)
HSL	hsl(330, 4%, 38%)
HSV	hsv(330, 8%, 39%)
CMYK	cmyk(0%, 8%, 4%, 60.8%)
CIE-LAB	lab(39.93, 4.01, -1.13)
CIE-LCH	lch(39.93, 4.17, 344.27°)
OKLab	oklab(48.37% 0.0116 -0.0029)
OKLCH	oklch(48.37% 0.012 345.8)
XYZ	xyz(11.1937, 11.2083, 12.6378)
Luminance	0.1121 (WCAG relative)
Temperature	neutral
Family	grey

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#645C60 #5C6460

analogous

#645C64 #645C60 #645C5C

triadic

#645C60 #60645C #5C6064

tetradic

#645C60 #64645C #5C6460 #5C5C64

square

#645C60 #64645C #5C6460 #5C5C64

split-complementary

#645C60 #5C645C #5C6464

monochromatic

#242123 #443F41 #645C60 #84797F #A1999D

Accessibility & contrast

On white

6.48

#645C60 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.24

#645C60 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #645C60

6.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##645C60	#FFFFFF	#000000	##FFFFFF
##645C60	1.00	6.48	3.24	6.48
#FFFFFF	6.48	1.00	21.00	1.00
#000000	3.24	21.00	1.00	21.00
##FFFFFF	6.48	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5C5D60

Deuteranopia (green-blind)

#5E5F60

Tritanopia (blue-blind)

#655C5D

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #645c60;
/* rgb */ color: rgb(100, 92, 96);
/* oklch */ color: oklch(48.4% 0.012 345.8);

Tailwind

colors: {
  custom: {
    50: '#908a8d',
    500: '#645c60',
    950: '#000000',
  },
}

SCSS

$custom: #645c60;
$custom-light: #908a8d;
$custom-dark: #000000;

JSON

{
  "hex": "#645c60",
  "rgb": {
    "r": 100,
    "g": 92,
    "b": 96
  },
  "hsl": {
    "h": 330,
    "s": 4.167,
    "l": 37.647
  },
  "oklch": {
    "l": 0.48366,
    "c": 0.01198,
    "h": 345.8
  },
  "luminance": 0.11208
}

Semantic roles & 50–950 ramp

primary

#645C60

secondary

#8B918E

accent

#AD947A

background

#F8F8F8

surface

#F0F0F0

border

#CBCBCB

text

#0C0B0C

muted

#7D7C7D

Preview Lab

Preview with #645C60

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

Preview Lab → · Contrast checker → · Palette generator →