#313333#313333

#313333 is a dark, near-neutral grey. Relative luminance 0.033; OKLCH L 31.9% C 0.003 H 197.0°. Best body text is #FFFFFF at 12.71:1 contrast (WCAG AA passes).

Color values

HEX	#313333
RGB	rgb(49, 51, 51)
HSL	hsl(180, 2%, 20%)
HSV	hsv(180, 4%, 20%)
CMYK	cmyk(3.9%, 0%, 0%, 80%)
CIE-LAB	lab(21.05, -0.87, -0.30)
CIE-LCH	lch(21.05, 0.92, 199.24°)
OKLab	oklab(31.91% -0.0027 -0.0008)
OKLCH	oklch(31.91% 0.003 197)
XYZ	xyz(3.0479, 3.2596, 3.5999)
Luminance	0.0326 (WCAG relative)
Temperature	neutral
Family	grey

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#313333 #333131

analogous

#313332 #313333 #313233

triadic

#313333 #333133 #333331

tetradic

#313333 #323133 #333131 #323331

square

#313333 #323133 #333131 #323331

split-complementary

#313333 #333132 #333231

monochromatic

#0F1010 #131414 #313333 #4F5252 #6D7171

Accessibility & contrast

On white

12.71

#313333 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.65

#313333 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #313333

12.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##313333	#FFFFFF	#000000	##FFFFFF
##313333	1.00	12.71	1.65	12.71
#FFFFFF	12.71	1.00	21.00	1.00
#000000	1.65	21.00	1.00	21.00
##FFFFFF	12.71	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#333333

Deuteranopia (green-blind)

#323233

Tritanopia (blue-blind)

#303333

Achromatopsia (no color)

#333333

Design tokens & code

CSS

--color: #313333;
/* rgb */ color: rgb(49, 51, 51);
/* oklch */ color: oklch(31.9% 0.003 197.0);

Tailwind

colors: {
  custom: {
    50: '#696a6a',
    500: '#313333',
    950: '#000000',
  },
}

SCSS

$custom: #313333;
$custom-light: #696a6a;
$custom-dark: #000000;

JSON

{
  "hex": "#313333",
  "rgb": {
    "r": 49,
    "g": 51,
    "b": 51
  },
  "hsl": {
    "h": 180,
    "s": 2,
    "l": 19.608
  },
  "oklch": {
    "l": 0.31911,
    "c": 0.0028,
    "h": 197
  },
  "luminance": 0.0326
}

Semantic roles & 50–950 ramp

primary

#313333

secondary

#615F5F

accent

#7D7DAB

background

#F6F6F6

surface

#EBEBEB

border

#C6C6C6

text

#060606

muted

#7A7A7A

Preview Lab

Preview with #313333

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

Preview Lab → · Contrast checker → · Palette generator →