#313233#313233

#313233 is a dark, near-neutral grey. Relative luminance 0.032; OKLCH L 31.7% C 0.002 H 248.0°. Best body text is #FFFFFF at 12.85:1 contrast (WCAG AA passes).

Color values

HEX	#313233
RGB	rgb(49, 50, 51)
HSL	hsl(210, 2%, 20%)
HSV	hsv(210, 4%, 20%)
CMYK	cmyk(3.9%, 2%, 0%, 80%)
CIE-LAB	lab(20.72, -0.20, -0.79)
CIE-LCH	lch(20.72, 0.81, 255.84°)
OKLab	oklab(31.65% -0.0008 -0.0021)
OKLCH	oklch(31.65% 0.002 248)
XYZ	xyz(3.0047, 3.1732, 3.5855)
Luminance	0.0317 (WCAG relative)
Temperature	neutral
Family	grey

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#313233 #333231

analogous

#313333 #313233 #313133

triadic

#313233 #333132 #323331

tetradic

#313233 #333133 #333231 #313331

square

#313233 #333133 #333231 #313331

split-complementary

#313233 #333131 #333331

monochromatic

#0F0F10 #131314 #313233 #4F5152 #6D6F71

Accessibility & contrast

On white

12.85

#313233 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.63

#313233 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #313233

12.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##313233	#FFFFFF	#000000	##FFFFFF
##313233	1.00	12.85	1.63	12.85
#FFFFFF	12.85	1.00	21.00	1.00
#000000	1.63	21.00	1.00	21.00
##FFFFFF	12.85	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#323233

Deuteranopia (green-blind)

#313233

Tritanopia (blue-blind)

#313232

Achromatopsia (no color)

#323232

Design tokens & code

CSS

--color: #313233;
/* rgb */ color: rgb(49, 50, 51);
/* oklch */ color: oklch(31.7% 0.002 248.0);

Tailwind

colors: {
  custom: {
    50: '#69696a',
    500: '#313233',
    950: '#000000',
  },
}

SCSS

$custom: #313233;
$custom-light: #69696a;
$custom-dark: #000000;

JSON

{
  "hex": "#313233",
  "rgb": {
    "r": 49,
    "g": 50,
    "b": 51
  },
  "hsl": {
    "h": 210,
    "s": 2,
    "l": 19.608
  },
  "oklch": {
    "l": 0.31651,
    "c": 0.00227,
    "h": 248
  },
  "luminance": 0.03173
}

Semantic roles & 50–950 ramp

primary

#313233

secondary

#61605F

accent

#947DAB

background

#F6F6F6

surface

#EBEBEB

border

#C6C6C6

text

#060606

muted

#7A7A7A

Preview Lab

Preview with #313233

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

Preview Lab → · Contrast checker → · Palette generator →