#031F18#031F18

#031F18 is a very dark, muted teal. Relative luminance 0.011; OKLCH L 21.5% C 0.037 H 173.5°. Best body text is #FFFFFF at 17.31:1 contrast (WCAG AA passes).

Color values

HEX	#031F18
RGB	rgb(3, 31, 24)
HSL	hsl(165, 82%, 7%)
HSV	hsv(165, 90%, 12%)
CMYK	cmyk(90.3%, 0%, 22.6%, 87.8%)
CIE-LAB	lab(9.52, -12.69, 1.66)
CIE-LCH	lch(9.52, 12.80, 172.53°)
OKLab	oklab(21.54% -0.037 0.0042)
OKLCH	oklch(21.54% 0.037 173.5)
XYZ	xyz(0.6923, 1.0652, 1.0331)
Luminance	0.0106 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#031F18 #1F030A

analogous

#031F0A #031F18 #03181F

triadic

#031F18 #18031F #1F1803

tetradic

#031F18 #0A031F #1F030A #181F03

square

#031F18 #0A031F #1F030A #181F03

split-complementary

#031F18 #1F0318 #1F0A03

monochromatic

#031C16 #031C16 #031F18 #085743 #0E8F6E

Accessibility & contrast

On white

17.31

#031F18 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.21

#031F18 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #031F18

17.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##031F18	#FFFFFF	#000000	##FFFFFF
##031F18	1.00	17.31	1.21	17.31
#FFFFFF	17.31	1.00	21.00	1.00
#000000	1.21	21.00	1.00	21.00
##FFFFFF	17.31	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1E1C18

Deuteranopia (green-blind)

#1A1919

Tritanopia (blue-blind)

#001F1D

Achromatopsia (no color)

#1B1B1B

Design tokens & code

CSS

--color: #031f18;
/* rgb */ color: rgb(3, 31, 24);
/* oklch */ color: oklch(21.5% 0.037 173.5);

Tailwind

colors: {
  custom: {
    50: '#475a54',
    500: '#031f18',
    950: '#000000',
  },
}

SCSS

$custom: #031f18;
$custom-light: #475a54;
$custom-dark: #000000;

JSON

{
  "hex": "#031f18",
  "rgb": {
    "r": 3,
    "g": 31,
    "b": 24
  },
  "hsl": {
    "h": 165,
    "s": 82.353,
    "l": 6.667
  },
  "oklch": {
    "l": 0.21535,
    "c": 0.0372,
    "h": 173.5
  },
  "luminance": 0.01065
}

Semantic roles & 50–950 ramp

primary

#031F18

secondary

#631B2D

accent

#2F61F9

background

#F4F5F4

surface

#E6E9E7

border

#C2C5C3

text

#000402

muted

#777978

Preview Lab

Preview with #031F18

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

Preview Lab → · Contrast checker → · Palette generator →