#645662#645662

#645662 is a mid, muted grey. Relative luminance 0.102; OKLCH L 47.1% C 0.026 H 330.7°. Best body text is #FFFFFF at 6.89:1 contrast (WCAG AA passes).

Color values

HEX	#645662
RGB	rgb(100, 86, 98)
HSL	hsl(309, 8%, 36%)
HSV	hsv(309, 14%, 39%)
CMYK	cmyk(0%, 14%, 2%, 60.8%)
CIE-LAB	lab(38.28, 8.11, -4.80)
CIE-LCH	lch(38.28, 9.42, 329.39°)
OKLab	oklab(47.1% 0.0227 -0.0127)
OKLCH	oklch(47.1% 0.026 330.7)
XYZ	xyz(10.7877, 10.2469, 12.9625)
Luminance	0.1025 (WCAG relative)
Temperature	neutral
Family	grey

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#645662 #566458

analogous

#5F5664 #645662 #64565B

triadic

#645662 #626456 #566264

tetradic

#645662 #645F56 #566458 #565B64

square

#645662 #645F56 #566458 #565B64

split-complementary

#645662 #5B6456 #56645F

monochromatic

#221D22 #433A42 #645662 #857282 #A293A0

Accessibility & contrast

On white

6.89

#645662 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.05

#645662 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #645662

6.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##645662	#FFFFFF	#000000	##FFFFFF
##645662	1.00	6.89	3.05	6.89
#FFFFFF	6.89	1.00	21.00	1.00
#000000	3.05	21.00	1.00	21.00
##FFFFFF	6.89	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#565963

Deuteranopia (green-blind)

#595B61

Tritanopia (blue-blind)

#65575A

Achromatopsia (no color)

#5A5A5A

Design tokens & code

CSS

--color: #645662;
/* rgb */ color: rgb(100, 86, 98);
/* oklch */ color: oklch(47.1% 0.026 330.7);

Tailwind

colors: {
  custom: {
    50: '#90858e',
    500: '#645662',
    950: '#000000',
  },
}

SCSS

$custom: #645662;
$custom-light: #90858e;
$custom-dark: #000000;

JSON

{
  "hex": "#645662",
  "rgb": {
    "r": 100,
    "g": 86,
    "b": 98
  },
  "hsl": {
    "h": 308.571,
    "s": 7.527,
    "l": 36.471
  },
  "oklch": {
    "l": 0.47104,
    "c": 0.02602,
    "h": 330.7
  },
  "luminance": 0.10247
}

Semantic roles & 50–950 ramp

primary

#645662

secondary

#859187

accent

#B17F77

background

#F8F8F8

surface

#F0EFF0

border

#CBCACB

text

#0C0B0C

muted

#7D7C7D

Preview Lab

Preview with #645662

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

Preview Lab → · Contrast checker → · Palette generator →