#646356#646356

#646356 is a mid, muted grey. Relative luminance 0.123; OKLCH L 49.7% C 0.020 H 103.5°. Best body text is #FFFFFF at 6.07:1 contrast (WCAG AA passes).

Color values

HEX	#646356
RGB	rgb(100, 99, 86)
HSL	hsl(56, 8%, 36%)
HSV	hsv(56, 14%, 39%)
CMYK	cmyk(0%, 1%, 14%, 60.8%)
CIE-LAB	lab(41.70, -2.13, 7.54)
CIE-LCH	lch(41.70, 7.84, 105.81°)
OKLab	oklab(49.66% -0.0047 0.0195)
OKLCH	oklch(49.66% 0.02 103.5)
XYZ	xyz(11.3969, 12.3050, 10.5770)
Luminance	0.1231 (WCAG relative)
Temperature	neutral
Family	grey

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#646356 #565764

analogous

#645C56 #646356 #5E6456

triadic

#646356 #566463 #635664

tetradic

#646356 #56645C #565764 #64565E

square

#646356 #56645C #565764 #64565E

split-complementary

#646356 #565E64 #5C5664

monochromatic

#22221D #43423A #646356 #858472 #A2A193

Accessibility & contrast

On white

6.07

#646356 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.46

#646356 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #646356

6.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##646356	#FFFFFF	#000000	##FFFFFF
##646356	1.00	6.07	3.46	6.07
#FFFFFF	6.07	1.00	21.00	1.00
#000000	3.46	21.00	1.00	21.00
##FFFFFF	6.07	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#666255

Deuteranopia (green-blind)

#666356

Tritanopia (blue-blind)

#66615F

Achromatopsia (no color)

#626262

Design tokens & code

CSS

--color: #646356;
/* rgb */ color: rgb(100, 99, 86);
/* oklch */ color: oklch(49.7% 0.020 103.5);

Tailwind

colors: {
  custom: {
    50: '#908f85',
    500: '#646356',
    950: '#000000',
  },
}

SCSS

$custom: #646356;
$custom-light: #908f85;
$custom-dark: #000000;

JSON

{
  "hex": "#646356",
  "rgb": {
    "r": 100,
    "g": 99,
    "b": 86
  },
  "hsl": {
    "h": 55.714,
    "s": 7.527,
    "l": 36.471
  },
  "oklch": {
    "l": 0.49663,
    "c": 0.02009,
    "h": 103.5
  },
  "luminance": 0.12305
}

Semantic roles & 50–950 ramp

primary

#646356

secondary

#858691

accent

#7BB177

background

#F8F8F8

surface

#F0F0EF

border

#CBCBCA

text

#0C0C0B

muted

#7D7D7C

Preview Lab

Preview with #646356

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

Preview Lab → · Contrast checker → · Palette generator →