#645E62#645E62

#645E62 is a mid, near-neutral grey. Relative luminance 0.116; OKLCH L 48.9% C 0.010 H 337.7°. Best body text is #FFFFFF at 6.33:1 contrast (WCAG AA passes).

Color values

HEX	#645E62
RGB	rgb(100, 94, 98)
HSL	hsl(320, 3%, 38%)
HSV	hsv(320, 6%, 39%)
CMYK	cmyk(0%, 6%, 2%, 60.8%)
CIE-LAB	lab(40.57, 3.20, -1.42)
CIE-LCH	lch(40.57, 3.51, 336.06°)
OKLab	oklab(48.89% 0.0091 -0.0037)
OKLCH	oklch(48.89% 0.01 337.7)
XYZ	xyz(11.4625, 11.5967, 13.1874)
Luminance	0.1160 (WCAG relative)
Temperature	neutral
Family	grey

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#645E62 #5E6460

analogous

#635E64 #645E62 #645E5F

triadic

#645E62 #62645E #5E6264

tetradic

#645E62 #64635E #5E6460 #5E5F64

square

#645E62 #64635E #5E6460 #5E5F64

split-complementary

#645E62 #5F645E #5E6463

monochromatic

#252324 #444043 #645E62 #847C81 #A19B9F

Accessibility & contrast

On white

6.33

#645E62 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.32

#645E62 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #645E62

6.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##645E62	#FFFFFF	#000000	##FFFFFF
##645E62	1.00	6.33	3.32	6.33
#FFFFFF	6.33	1.00	21.00	1.00
#000000	3.32	21.00	1.00	21.00
##FFFFFF	6.33	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5E5F62

Deuteranopia (green-blind)

#5F6062

Tritanopia (blue-blind)

#655E5F

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #645e62;
/* rgb */ color: rgb(100, 94, 98);
/* oklch */ color: oklch(48.9% 0.010 337.7);

Tailwind

colors: {
  custom: {
    50: '#908b8e',
    500: '#645e62',
    950: '#000000',
  },
}

SCSS

$custom: #645e62;
$custom-light: #908b8e;
$custom-dark: #000000;

JSON

{
  "hex": "#645e62",
  "rgb": {
    "r": 100,
    "g": 94,
    "b": 98
  },
  "hsl": {
    "h": 320,
    "s": 3.093,
    "l": 38.039
  },
  "oklch": {
    "l": 0.48886,
    "c": 0.00984,
    "h": 337.7
  },
  "luminance": 0.11597
}

Semantic roles & 50–950 ramp

primary

#645E62

secondary

#8C918E

accent

#AC8C7B

background

#F8F8F8

surface

#F0F0F0

border

#CBCBCB

text

#0C0C0C

muted

#7D7D7D

Preview Lab

Preview with #645E62

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

Preview Lab → · Contrast checker → · Palette generator →