#645C62#645C62

#645C62 is a mid, near-neutral grey. Relative luminance 0.112; OKLCH L 48.4% C 0.014 H 334.3°. Best body text is #FFFFFF at 6.46:1 contrast (WCAG AA passes).

Color values

HEX	#645C62
RGB	rgb(100, 92, 98)
HSL	hsl(315, 4%, 38%)
HSV	hsv(315, 8%, 39%)
CMYK	cmyk(0%, 8%, 2%, 60.8%)
CIE-LAB	lab(39.99, 4.42, -2.27)
CIE-LCH	lch(39.99, 4.97, 332.82°)
OKLab	oklab(48.44% 0.0125 -0.006)
OKLCH	oklch(48.44% 0.014 334.3)
XYZ	xyz(11.2870, 11.2456, 13.1289)
Luminance	0.1124 (WCAG relative)
Temperature	neutral
Family	grey

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#645C62 #5C645E

analogous

#625C64 #645C62 #645C5E

triadic

#645C62 #62645C #5C6264

tetradic

#645C62 #64625C #5C645E #5C5E64

square

#645C62 #64625C #5C645E #5C5E64

split-complementary

#645C62 #5E645C #5C6462

monochromatic

#242124 #443F43 #645C62 #847981 #A1999F

Accessibility & contrast

On white

6.46

#645C62 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.25

#645C62 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #645C62

6.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##645C62	#FFFFFF	#000000	##FFFFFF
##645C62	1.00	6.46	3.25	6.46
#FFFFFF	6.46	1.00	21.00	1.00
#000000	3.25	21.00	1.00	21.00
##FFFFFF	6.46	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5C5E62

Deuteranopia (green-blind)

#5E5F62

Tritanopia (blue-blind)

#655C5E

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #645c62;
/* rgb */ color: rgb(100, 92, 98);
/* oklch */ color: oklch(48.4% 0.014 334.3);

Tailwind

colors: {
  custom: {
    50: '#908a8e',
    500: '#645c62',
    950: '#000000',
  },
}

SCSS

$custom: #645c62;
$custom-light: #908a8e;
$custom-dark: #000000;

JSON

{
  "hex": "#645c62",
  "rgb": {
    "r": 100,
    "g": 92,
    "b": 98
  },
  "hsl": {
    "h": 315,
    "s": 4.167,
    "l": 37.647
  },
  "oklch": {
    "l": 0.48435,
    "c": 0.01383,
    "h": 334.3
  },
  "luminance": 0.11245
}

Semantic roles & 50–950 ramp

primary

#645C62

secondary

#8B918C

accent

#AD877A

background

#F8F8F8

surface

#F0F0F0

border

#CBCBCB

text

#0C0B0C

muted

#7D7C7D

Preview Lab

Preview with #645C62

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

Preview Lab → · Contrast checker → · Palette generator →