#645765#645765

#645765 is a mid, muted grey. Relative luminance 0.105; OKLCH L 47.4% C 0.028 H 323.8°. Best body text is #FFFFFF at 6.79:1 contrast (WCAG AA passes).

Color values

HEX	#645765
RGB	rgb(100, 87, 101)
HSL	hsl(296, 7%, 37%)
HSV	hsv(296, 14%, 40%)
CMYK	cmyk(1%, 13.9%, 0%, 60.4%)
CIE-LAB	lab(38.67, 8.13, -6.09)
CIE-LCH	lch(38.67, 10.16, 323.16°)
OKLab	oklab(47.44% 0.0222 -0.0162)
OKLCH	oklch(47.44% 0.028 323.8)
XYZ	xyz(11.0124, 10.4654, 13.7493)
Luminance	0.1047 (WCAG relative)
Temperature	neutral
Family	grey

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#645765 #586557

analogous

#5D5765 #645765 #65575F

triadic

#645765 #656457 #576564

tetradic

#645765 #655D57 #586557 #575F65

square

#645765 #655D57 #586557 #575F65

split-complementary

#645765 #5F6557 #57655D

monochromatic

#231E23 #433B44 #645765 #857386 #A294A3

Accessibility & contrast

On white

6.79

#645765 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.09

#645765 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #645765

6.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##645765	#FFFFFF	#000000	##FFFFFF
##645765	1.00	6.79	3.09	6.79
#FFFFFF	6.79	1.00	21.00	1.00
#000000	3.09	21.00	1.00	21.00
##FFFFFF	6.79	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#565A66

Deuteranopia (green-blind)

#595C64

Tritanopia (blue-blind)

#65585C

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #645765;
/* rgb */ color: rgb(100, 87, 101);
/* oklch */ color: oklch(47.4% 0.028 323.8);

Tailwind

colors: {
  custom: {
    50: '#908690',
    500: '#645765',
    950: '#000000',
  },
}

SCSS

$custom: #645765;
$custom-light: #908690;
$custom-dark: #000000;

JSON

{
  "hex": "#645765",
  "rgb": {
    "r": 100,
    "g": 87,
    "b": 101
  },
  "hsl": {
    "h": 295.714,
    "s": 7.447,
    "l": 36.863
  },
  "oklch": {
    "l": 0.47435,
    "c": 0.0275,
    "h": 323.8
  },
  "luminance": 0.10465
}

Semantic roles & 50–950 ramp

primary

#645765

secondary

#879286

accent

#B0777B

background

#F8F8F8

surface

#F0EFF0

border

#CBCACB

text

#0C0B0C

muted

#7D7C7D

Preview Lab

Preview with #645765

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

Preview Lab → · Contrast checker → · Palette generator →