#303333#303333

#303333 is a dark, near-neutral grey. Relative luminance 0.032; OKLCH L 31.8% C 0.004 H 197.0°. Best body text is #FFFFFF at 12.75:1 contrast (WCAG AA passes).

Color values

HEX	#303333
RGB	rgb(48, 51, 51)
HSL	hsl(180, 3%, 19%)
HSV	hsv(180, 6%, 20%)
CMYK	cmyk(5.9%, 0%, 0%, 80%)
CIE-LAB	lab(20.96, -1.30, -0.45)
CIE-LCH	lch(20.96, 1.37, 199.16°)
OKLab	oklab(31.81% -0.004 -0.0012)
OKLCH	oklch(31.81% 0.004 197)
XYZ	xyz(3.0002, 3.2350, 3.5977)
Luminance	0.0323 (WCAG relative)
Temperature	neutral
Family	grey

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#303333 #333030

analogous

#303332 #303333 #303233

triadic

#303333 #333033 #333330

tetradic

#303333 #323033 #333030 #323330

square

#303333 #323033 #333030 #323330

split-complementary

#303333 #333032 #333230

monochromatic

#0F1010 #121313 #303333 #4E5353 #6B7272

Accessibility & contrast

On white

12.75

#303333 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.65

#303333 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #303333

12.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##303333	#FFFFFF	#000000	##FFFFFF
##303333	1.00	12.75	1.65	12.75
#FFFFFF	12.75	1.00	21.00	1.00
#000000	1.65	21.00	1.00	21.00
##FFFFFF	12.75	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#333333

Deuteranopia (green-blind)

#323233

Tritanopia (blue-blind)

#2F3333

Achromatopsia (no color)

#323232

Design tokens & code

CSS

--color: #303333;
/* rgb */ color: rgb(48, 51, 51);
/* oklch */ color: oklch(31.8% 0.004 197.0);

Tailwind

colors: {
  custom: {
    50: '#686a6a',
    500: '#303333',
    950: '#000000',
  },
}

SCSS

$custom: #303333;
$custom-light: #686a6a;
$custom-dark: #000000;

JSON

{
  "hex": "#303333",
  "rgb": {
    "r": 48,
    "g": 51,
    "b": 51
  },
  "hsl": {
    "h": 180,
    "s": 3.03,
    "l": 19.412
  },
  "oklch": {
    "l": 0.31814,
    "c": 0.00418,
    "h": 197
  },
  "luminance": 0.03235
}

Semantic roles & 50–950 ramp

primary

#303333

secondary

#615D5D

accent

#7C7CAC

background

#F6F6F6

surface

#EBEBEB

border

#C6C6C6

text

#060606

muted

#7A7A7A

Preview Lab

Preview with #303333

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

Preview Lab → · Contrast checker → · Palette generator →