#031D1B#031D1B

#031D1B is a very dark, muted teal. Relative luminance 0.010; OKLCH L 21.0% C 0.033 H 188.0°. Best body text is #FFFFFF at 17.57:1 contrast (WCAG AA passes).

Color values

HEX	#031D1B
RGB	rgb(3, 29, 27)
HSL	hsl(175, 81%, 6%)
HSV	hsv(175, 90%, 11%)
CMYK	cmyk(89.7%, 0%, 6.9%, 88.6%)
CIE-LAB	lab(8.80, -10.29, -1.62)
CIE-LCH	lch(8.80, 10.42, 188.96°)
OKLab	oklab(20.98% -0.0324 -0.0046)
OKLCH	oklch(20.98% 0.033 188)
XYZ	xyz(0.6747, 0.9771, 1.1897)
Luminance	0.0098 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#031D1B #1D0305

analogous

#031D0E #031D1B #03121D

triadic

#031D1B #1B031D #1D1B03

tetradic

#031D1B #0E031D #1D0305 #121D03

square

#031D1B #0E031D #1D0305 #121D03

split-complementary

#031D1B #1D0312 #1D0E03

monochromatic

#031C1A #031C1A #031D1B #09544F #0E8C82

Accessibility & contrast

On white

17.57

#031D1B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.20

#031D1B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #031D1B

17.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##031D1B	#FFFFFF	#000000	##FFFFFF
##031D1B	1.00	17.57	1.20	17.57
#FFFFFF	17.57	1.00	21.00	1.00
#000000	1.20	21.00	1.00	21.00
##FFFFFF	17.57	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1B1B1B

Deuteranopia (green-blind)

#17181B

Tritanopia (blue-blind)

#001E1C

Achromatopsia (no color)

#191919

Design tokens & code

CSS

--color: #031d1b;
/* rgb */ color: rgb(3, 29, 27);
/* oklch */ color: oklch(21.0% 0.033 188.0);

Tailwind

colors: {
  custom: {
    50: '#475957',
    500: '#031d1b',
    950: '#000000',
  },
}

SCSS

$custom: #031d1b;
$custom-light: #475957;
$custom-dark: #000000;

JSON

{
  "hex": "#031d1b",
  "rgb": {
    "r": 3,
    "g": 29,
    "b": 27
  },
  "hsl": {
    "h": 175.385,
    "s": 81.25,
    "l": 6.275
  },
  "oklch": {
    "l": 0.2098,
    "c": 0.03268,
    "h": 188
  },
  "luminance": 0.00977
}

Semantic roles & 50–950 ramp

primary

#031D1B

secondary

#611B20

accent

#3040F8

background

#F4F5F5

surface

#E6E9E9

border

#C2C5C5

text

#000303

muted

#777878

Preview Lab

Preview with #031D1B

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

Preview Lab → · Contrast checker → · Palette generator →