#646474#646474

#646474 is a mid, muted grey. Relative luminance 0.131; OKLCH L 50.9% C 0.025 H 285.5°. Best body text is #FFFFFF at 5.81:1 contrast (WCAG AA passes).

Color values

HEX	#646474
RGB	rgb(100, 100, 116)
HSL	hsl(240, 7%, 42%)
HSV	hsv(240, 14%, 45%)
CMYK	cmyk(13.8%, 13.8%, 0%, 54.5%)
CIE-LAB	lab(42.89, 3.54, -8.96)
CIE-LCH	lch(42.89, 9.64, 291.57°)
OKLab	oklab(50.9% 0.0067 -0.0242)
OKLCH	oklch(50.9% 0.025 285.5)
XYZ	xyz(12.9644, 13.0845, 18.3622)
Luminance	0.1308 (WCAG relative)
Temperature	neutral
Family	grey

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#646474 #747464

analogous

#646C74 #646474 #6C6474

triadic

#646474 #746464 #647464

tetradic

#646474 #74646C #747464 #64746C

square

#646474 #74646C #747464 #64746C

split-complementary

#646474 #746C64 #6C7464

monochromatic

#2B2B32 #484853 #646474 #828293 #A3A3B0

Accessibility & contrast

On white

5.81

#646474 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.62

#646474 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #646474

5.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##646474	#FFFFFF	#000000	##FFFFFF
##646474	1.00	5.81	3.62	5.81
#FFFFFF	5.81	1.00	21.00	1.00
#000000	3.62	21.00	1.00	21.00
##FFFFFF	5.81	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#606675

Deuteranopia (green-blind)

#606574

Tritanopia (blue-blind)

#616769

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #646474;
/* rgb */ color: rgb(100, 100, 116);
/* oklch */ color: oklch(50.9% 0.025 285.5);

Tailwind

colors: {
  custom: {
    50: '#90909c',
    500: '#646474',
    950: '#000000',
  },
}

SCSS

$custom: #646474;
$custom-light: #90909c;
$custom-dark: #000000;

JSON

{
  "hex": "#646474",
  "rgb": {
    "r": 100,
    "g": 100,
    "b": 116
  },
  "hsl": {
    "h": 240,
    "s": 7.407,
    "l": 42.353
  },
  "oklch": {
    "l": 0.50898,
    "c": 0.02514,
    "h": 285.5
  },
  "luminance": 0.13085
}

Semantic roles & 50–950 ramp

primary

#646474

secondary

#9F9F95

accent

#B077B0

background

#F8F8F9

surface

#F0F0F2

border

#CBCBCC

text

#0C0C0E

muted

#7D7D7E

Preview Lab

Preview with #646474

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

Preview Lab → · Contrast checker → · Palette generator →