#645860#645860

#645860 is a mid, near-neutral grey. Relative luminance 0.105; OKLCH L 47.5% C 0.020 H 338.1°. Best body text is #FFFFFF at 6.76:1 contrast (WCAG AA passes).

Color values

HEX	#645860
RGB	rgb(100, 88, 96)
HSL	hsl(320, 6%, 37%)
HSV	hsv(320, 12%, 39%)
CMYK	cmyk(0%, 12%, 4%, 60.8%)
CIE-LAB	lab(38.78, 6.46, -2.81)
CIE-LCH	lch(38.78, 7.05, 336.46°)
OKLab	oklab(47.47% 0.0184 -0.0074)
OKLCH	oklch(47.47% 0.02 338.1)
XYZ	xyz(10.8563, 10.5335, 12.5253)
Luminance	0.1053 (WCAG relative)
Temperature	neutral
Family	grey

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#645860 #58645C

analogous

#625864 #645860 #64585A

triadic

#645860 #606458 #586064

tetradic

#645860 #646258 #58645C #585A64

square

#645860 #646258 #58645C #585A64

split-complementary

#645860 #5A6458 #586462

monochromatic

#231F21 #433B41 #645860 #85757F #A2959D

Accessibility & contrast

On white

6.76

#645860 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.11

#645860 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #645860

6.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##645860	#FFFFFF	#000000	##FFFFFF
##645860	1.00	6.76	3.11	6.76
#FFFFFF	6.76	1.00	21.00	1.00
#000000	3.11	21.00	1.00	21.00
##FFFFFF	6.76	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#585A60

Deuteranopia (green-blind)

#5B5C60

Tritanopia (blue-blind)

#66585B

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #645860;
/* rgb */ color: rgb(100, 88, 96);
/* oklch */ color: oklch(47.5% 0.020 338.1);

Tailwind

colors: {
  custom: {
    50: '#90878d',
    500: '#645860',
    950: '#000000',
  },
}

SCSS

$custom: #645860;
$custom-light: #90878d;
$custom-dark: #000000;

JSON

{
  "hex": "#645860",
  "rgb": {
    "r": 100,
    "g": 88,
    "b": 96
  },
  "hsl": {
    "h": 320,
    "s": 6.383,
    "l": 36.863
  },
  "oklch": {
    "l": 0.47473,
    "c": 0.01986,
    "h": 338.1
  },
  "luminance": 0.10533
}

Semantic roles & 50–950 ramp

primary

#645860

secondary

#87918A

accent

#AF8B78

background

#F8F8F8

surface

#F0EFF0

border

#CBCACB

text

#0C0B0C

muted

#7D7C7D

Preview Lab

Preview with #645860

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

Preview Lab → · Contrast checker → · Palette generator →