#31373A#31373A

#31373A is a dark, near-neutral cyan. Relative luminance 0.037; OKLCH L 33.2% C 0.010 H 229.2°. Best body text is #FFFFFF at 12.08:1 contrast (WCAG AA passes).

Color values

HEX	#31373A
RGB	rgb(49, 55, 58)
HSL	hsl(200, 8%, 21%)
HSV	hsv(200, 16%, 23%)
CMYK	cmyk(15.5%, 5.2%, 0%, 77.3%)
CIE-LAB	lab(22.62, -1.79, -2.74)
CIE-LCH	lch(22.62, 3.27, 236.91°)
OKLab	oklab(33.23% -0.0064 -0.0074)
OKLCH	oklch(33.23% 0.01 229.2)
XYZ	xyz(3.3963, 3.6908, 4.5356)
Luminance	0.0369 (WCAG relative)
Temperature	neutral
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#31373A #3A3431

analogous

#313A38 #31373A #31323A

triadic

#31373A #3A3137 #373A31

tetradic

#31373A #38313A #3A3431 #323A31

square

#31373A #38313A #3A3431 #323A31

split-complementary

#31373A #3A3132 #3A3831

monochromatic

#0E1011 #151819 #31373A #4D565B #69767C

Accessibility & contrast

On white

12.08

#31373A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.74

#31373A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #31373A

12.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##31373A	#FFFFFF	#000000	##FFFFFF
##31373A	1.00	12.08	1.74	12.08
#FFFFFF	12.08	1.00	21.00	1.00
#000000	1.74	21.00	1.00	21.00
##FFFFFF	12.08	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#35373A

Deuteranopia (green-blind)

#34363A

Tritanopia (blue-blind)

#2F3838

Achromatopsia (no color)

#363636

Design tokens & code

CSS

--color: #31373a;
/* rgb */ color: rgb(49, 55, 58);
/* oklch */ color: oklch(33.2% 0.010 229.2);

Tailwind

colors: {
  custom: {
    50: '#696d70',
    500: '#31373a',
    950: '#000000',
  },
}

SCSS

$custom: #31373a;
$custom-light: #696d70;
$custom-dark: #000000;

JSON

{
  "hex": "#31373a",
  "rgb": {
    "r": 49,
    "g": 55,
    "b": 58
  },
  "hsl": {
    "h": 200,
    "s": 8.411,
    "l": 20.98
  },
  "oklch": {
    "l": 0.33225,
    "c": 0.00977,
    "h": 229.2
  },
  "luminance": 0.03691
}

Semantic roles & 50–950 ramp

primary

#31373A

secondary

#69615E

accent

#8A76B1

background

#F6F6F6

surface

#EBEBEC

border

#C6C6C7

text

#060707

muted

#7A7A7A

Preview Lab

Preview with #31373A

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

Preview Lab → · Contrast checker → · Palette generator →