#31372F#31372F

#31372F is a dark, near-neutral grey. Relative luminance 0.036; OKLCH L 32.8% C 0.016 H 137.8°. Best body text is #FFFFFF at 12.22:1 contrast (WCAG AA passes).

Color values

HEX	#31372F
RGB	rgb(49, 55, 47)
HSL	hsl(105, 8%, 20%)
HSV	hsv(105, 15%, 22%)
CMYK	cmyk(10.9%, 0%, 14.5%, 78.4%)
CIE-LAB	lab(22.27, -4.42, 4.16)
CIE-LCH	lch(22.27, 6.07, 136.74°)
OKLab	oklab(32.83% -0.0119 0.0108)
OKLCH	oklch(32.83% 0.016 137.8)
XYZ	xyz(3.1458, 3.5906, 3.2161)
Luminance	0.0359 (WCAG relative)
Temperature	neutral
Family	grey

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#31372F #352F37

analogous

#35372F #31372F #2F3731

triadic

#31372F #2F3137 #372F31

tetradic

#31372F #2F3537 #352F37 #37312F

square

#31372F #2F3537 #352F37 #37312F

split-complementary

#31372F #312F37 #372F35

monochromatic

#0F100E #141613 #31372F #4E584B #6C7967

Accessibility & contrast

On white

12.22

#31372F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.72

#31372F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #31372F

12.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##31372F	#FFFFFF	#000000	##FFFFFF
##31372F	1.00	12.22	1.72	12.22
#FFFFFF	12.22	1.00	21.00	1.00
#000000	1.72	21.00	1.00	21.00
##FFFFFF	12.22	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#38362F

Deuteranopia (green-blind)

#37352F

Tritanopia (blue-blind)

#313635

Achromatopsia (no color)

#353535

Design tokens & code

CSS

--color: #31372f;
/* rgb */ color: rgb(49, 55, 47);
/* oklch */ color: oklch(32.8% 0.016 137.8);

Tailwind

colors: {
  custom: {
    50: '#696d67',
    500: '#31372f',
    950: '#000000',
  },
}

SCSS

$custom: #31372f;
$custom-light: #696d67;
$custom-dark: #000000;

JSON

{
  "hex": "#31372f",
  "rgb": {
    "r": 49,
    "g": 55,
    "b": 47
  },
  "hsl": {
    "h": 105,
    "s": 7.843,
    "l": 20
  },
  "oklch": {
    "l": 0.32829,
    "c": 0.01608,
    "h": 137.8
  },
  "luminance": 0.03591
}

Semantic roles & 50–950 ramp

primary

#31372F

secondary

#645C66

accent

#77B1A2

background

#F6F6F6

surface

#EBEBEB

border

#C6C6C6

text

#060706

muted

#7A7A7A

Preview Lab

Preview with #31372F

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

Preview Lab → · Contrast checker → · Palette generator →