#647474#647474

#647474 is a mid, near-neutral grey. Relative luminance 0.165; OKLCH L 54.6% C 0.019 H 196.6°. Best body text is #FFFFFF at 4.89:1 contrast (WCAG AA passes).

Color values

HEX	#647474
RGB	rgb(100, 116, 116)
HSL	hsl(180, 7%, 42%)
HSV	hsv(180, 14%, 45%)
CMYK	cmyk(13.8%, 0%, 0%, 54.5%)
CIE-LAB	lab(47.57, -5.92, -2.01)
CIE-LCH	lch(47.57, 6.25, 198.71°)
OKLab	oklab(54.58% -0.0183 -0.0054)
OKLCH	oklch(54.58% 0.019 196.6)
XYZ	xyz(14.6525, 16.4607, 18.9249)
Luminance	0.1646 (WCAG relative)
Temperature	neutral
Family	grey

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#647474 #746464

analogous

#64746C #647474 #646C74

triadic

#647474 #746474 #747464

tetradic

#647474 #6C6474 #746464 #6C7464

square

#647474 #6C6474 #746464 #6C7464

split-complementary

#647474 #74646C #746C64

monochromatic

#2B3232 #485353 #647474 #829393 #A3B0B0

Accessibility & contrast

On white

4.89

#647474 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.29

#647474 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #647474

4.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##647474	#FFFFFF	#000000	##FFFFFF
##647474	1.00	4.89	4.29	4.89
#FFFFFF	4.89	1.00	21.00	1.00
#000000	4.29	21.00	1.00	21.00
##FFFFFF	4.89	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#727274

Deuteranopia (green-blind)

#6E7074

Tritanopia (blue-blind)

#5F7574

Achromatopsia (no color)

#717171

Design tokens & code

CSS

--color: #647474;
/* rgb */ color: rgb(100, 116, 116);
/* oklch */ color: oklch(54.6% 0.019 196.6);

Tailwind

colors: {
  custom: {
    50: '#909c9c',
    500: '#647474',
    950: '#000000',
  },
}

SCSS

$custom: #647474;
$custom-light: #909c9c;
$custom-dark: #000000;

JSON

{
  "hex": "#647474",
  "rgb": {
    "r": 100,
    "g": 116,
    "b": 116
  },
  "hsl": {
    "h": 180,
    "s": 7.407,
    "l": 42.353
  },
  "oklch": {
    "l": 0.54581,
    "c": 0.01908,
    "h": 196.6
  },
  "luminance": 0.16461
}

Semantic roles & 50–950 ramp

primary

#647474

secondary

#9F9595

accent

#7777B0

background

#F8F9F9

surface

#F0F2F2

border

#CBCCCC

text

#0C0E0E

muted

#7D7E7E

Preview Lab

Preview with #647474

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

Preview Lab → · Contrast checker → · Palette generator →