#646459#646459

#646459 is a mid, near-neutral grey. Relative luminance 0.125; OKLCH L 50.0% C 0.017 H 107.0°. Best body text is #FFFFFF at 5.98:1 contrast (WCAG AA passes).

Color values

HEX	#646459
RGB	rgb(100, 100, 89)
HSL	hsl(60, 6%, 37%)
HSV	hsv(60, 11%, 39%)
CMYK	cmyk(0%, 0%, 11%, 60.8%)
CIE-LAB	lab(42.07, -2.17, 6.25)
CIE-LCH	lch(42.07, 6.61, 109.19°)
OKLab	oklab(49.98% -0.005 0.0163)
OKLCH	oklch(49.98% 0.017 107)
XYZ	xyz(11.6157, 12.5450, 11.2588)
Luminance	0.1255 (WCAG relative)
Temperature	neutral
Family	grey

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#646459 #595964

analogous

#645F59 #646459 #5F6459

triadic

#646459 #596464 #645964

tetradic

#646459 #59645F #595964 #64595F

square

#646459 #59645F #595964 #64595F

split-complementary

#646459 #595F64 #5F5964

monochromatic

#23231F #44443C #646459 #848476 #A1A196

Accessibility & contrast

On white

5.98

#646459 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.51

#646459 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #646459

5.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##646459	#FFFFFF	#000000	##FFFFFF
##646459	1.00	5.98	3.51	5.98
#FFFFFF	5.98	1.00	21.00	1.00
#000000	3.51	21.00	1.00	21.00
##FFFFFF	5.98	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#666358

Deuteranopia (green-blind)

#666459

Tritanopia (blue-blind)

#666261

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #646459;
/* rgb */ color: rgb(100, 100, 89);
/* oklch */ color: oklch(50.0% 0.017 107.0);

Tailwind

colors: {
  custom: {
    50: '#909087',
    500: '#646459',
    950: '#000000',
  },
}

SCSS

$custom: #646459;
$custom-light: #909087;
$custom-dark: #000000;

JSON

{
  "hex": "#646459",
  "rgb": {
    "r": 100,
    "g": 100,
    "b": 89
  },
  "hsl": {
    "h": 60,
    "s": 5.82,
    "l": 37.059
  },
  "oklch": {
    "l": 0.49982,
    "c": 0.017,
    "h": 107
  },
  "luminance": 0.12545
}

Semantic roles & 50–950 ramp

primary

#646459

secondary

#888891

accent

#79AF79

background

#F8F8F8

surface

#F0F0EF

border

#CBCBCA

text

#0C0C0B

muted

#7D7D7C

Preview Lab

Preview with #646459

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

Preview Lab → · Contrast checker → · Palette generator →