#645E72#645E72

#645E72 is a mid, muted violet. Relative luminance 0.119; OKLCH L 49.5% C 0.032 H 298.9°. Best body text is #FFFFFF at 6.20:1 contrast (WCAG AA passes).

Color values

HEX	#645E72
RGB	rgb(100, 94, 114)
HSL	hsl(258, 10%, 41%)
HSV	hsv(258, 18%, 45%)
CMYK	cmyk(12.3%, 17.5%, 0%, 55.3%)
CIE-LAB	lab(41.10, 6.73, -10.43)
CIE-LCH	lch(41.10, 12.42, 302.84°)
OKLab	oklab(49.48% 0.0156 -0.0282)
OKLCH	oklch(49.48% 0.032 298.9)
XYZ	xyz(12.2949, 11.9296, 17.5712)
Luminance	0.1193 (WCAG relative)
Temperature	neutral
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#645E72 #6C725E

analogous

#5E6272 #645E72 #6E5E72

triadic

#645E72 #72645E #5E7264

tetradic

#645E72 #725E62 #6C725E #5E726E

square

#645E72 #725E62 #6C725E #5E726E

split-complementary

#645E72 #726E5E #62725E

monochromatic

#29272F #474250 #645E72 #827B92 #A29DAE

Accessibility & contrast

On white

6.20

#645E72 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.39

#645E72 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #645E72

6.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##645E72	#FFFFFF	#000000	##FFFFFF
##645E72	1.00	6.20	3.39	6.20
#FFFFFF	6.20	1.00	21.00	1.00
#000000	3.39	21.00	1.00	21.00
##FFFFFF	6.20	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5A6173

Deuteranopia (green-blind)

#5B6171

Tritanopia (blue-blind)

#626165

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #645e72;
/* rgb */ color: rgb(100, 94, 114);
/* oklch */ color: oklch(49.5% 0.032 298.9);

Tailwind

colors: {
  custom: {
    50: '#908b9a',
    500: '#645e72',
    950: '#000000',
  },
}

SCSS

$custom: #645e72;
$custom-light: #908b9a;
$custom-dark: #000000;

JSON

{
  "hex": "#645e72",
  "rgb": {
    "r": 100,
    "g": 94,
    "b": 114
  },
  "hsl": {
    "h": 258,
    "s": 9.615,
    "l": 40.784
  },
  "oklch": {
    "l": 0.49482,
    "c": 0.03228,
    "h": 298.9
  },
  "luminance": 0.1193
}

Semantic roles & 50–950 ramp

primary

#645E72

secondary

#999D8F

accent

#B375A0

background

#F8F8F9

surface

#F0F0F2

border

#CBCBCC

text

#0C0C0E

muted

#7D7D7E

Preview Lab

Preview with #645E72

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

Preview Lab → · Contrast checker → · Palette generator →