#646358#646358

#646358 is a mid, near-neutral grey. Relative luminance 0.123; OKLCH L 49.7% C 0.017 H 102.8°. Best body text is #FFFFFF at 6.06:1 contrast (WCAG AA passes).

Color values

HEX	#646358
RGB	rgb(100, 99, 88)
HSL	hsl(55, 6%, 37%)
HSV	hsv(55, 12%, 39%)
CMYK	cmyk(0%, 1%, 12%, 60.8%)
CIE-LAB	lab(41.75, -1.77, 6.40)
CIE-LCH	lch(41.75, 6.64, 105.44°)
OKLab	oklab(49.72% -0.0038 0.0166)
OKLCH	oklch(49.72% 0.017 102.8)
XYZ	xyz(11.4786, 12.3377, 11.0073)
Luminance	0.1234 (WCAG relative)
Temperature	neutral
Family	grey

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#646358 #585964

analogous

#645D58 #646358 #5F6458

triadic

#646358 #586463 #635864

tetradic

#646358 #58645D #585964 #64585F

square

#646358 #58645D #585964 #64585F

split-complementary

#646358 #585F64 #5D5864

monochromatic

#23231F #43433B #646358 #858375 #A2A195

Accessibility & contrast

On white

6.06

#646358 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.47

#646358 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #646358

6.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##646358	#FFFFFF	#000000	##FFFFFF
##646358	1.00	6.06	3.47	6.06
#FFFFFF	6.06	1.00	21.00	1.00
#000000	3.47	21.00	1.00	21.00
##FFFFFF	6.06	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#656257

Deuteranopia (green-blind)

#666358

Tritanopia (blue-blind)

#666160

Achromatopsia (no color)

#626262

Design tokens & code

CSS

--color: #646358;
/* rgb */ color: rgb(100, 99, 88);
/* oklch */ color: oklch(49.7% 0.017 102.8);

Tailwind

colors: {
  custom: {
    50: '#908f87',
    500: '#646358',
    950: '#000000',
  },
}

SCSS

$custom: #646358;
$custom-light: #908f87;
$custom-dark: #000000;

JSON

{
  "hex": "#646358",
  "rgb": {
    "r": 100,
    "g": 99,
    "b": 88
  },
  "hsl": {
    "h": 55,
    "s": 6.383,
    "l": 36.863
  },
  "oklch": {
    "l": 0.4972,
    "c": 0.01706,
    "h": 102.8
  },
  "luminance": 0.12338
}

Semantic roles & 50–950 ramp

primary

#646358

secondary

#878891

accent

#7DAF78

background

#F8F8F8

surface

#F0F0EF

border

#CBCBCA

text

#0C0C0B

muted

#7D7D7C

Preview Lab

Preview with #646358

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

Preview Lab → · Contrast checker → · Palette generator →