#031B1C#031B1C

#031B1C is a very dark, muted teal. Relative luminance 0.009; OKLCH L 20.4% C 0.031 H 198.8°. Best body text is #FFFFFF at 17.84:1 contrast (WCAG AA passes).

Color values

HEX	#031B1C
RGB	rgb(3, 27, 28)
HSL	hsl(182, 81%, 6%)
HSV	hsv(182, 89%, 11%)
CMYK	cmyk(89.3%, 3.6%, 0%, 89%)
CIE-LAB	lab(8.01, -8.36, -3.55)
CIE-LCH	lch(8.01, 9.08, 202.99°)
OKLab	oklab(20.36% -0.029 -0.0098)
OKLCH	oklch(20.36% 0.031 198.8)
XYZ	xyz(0.6390, 0.8870, 1.2359)
Luminance	0.0089 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#031B1C #1C0403

analogous

#031C10 #031B1C #030E1C

triadic

#031B1C #1C031B #1B1C03

tetradic

#031B1C #10031C #1C0403 #0E1C03

square

#031B1C #10031C #1C0403 #0E1C03

split-complementary

#031B1C #1C030E #1C1003

monochromatic

#031B1C #031B1C #031B1C #095053 #0F868B

Accessibility & contrast

On white

17.84

#031B1C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.18

#031B1C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #031B1C

17.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##031B1C	#FFFFFF	#000000	##FFFFFF
##031B1C	1.00	17.84	1.18	17.84
#FFFFFF	17.84	1.00	21.00	1.00
#000000	1.18	21.00	1.00	21.00
##FFFFFF	17.84	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#18191C

Deuteranopia (green-blind)

#14161C

Tritanopia (blue-blind)

#001C1B

Achromatopsia (no color)

#181818

Design tokens & code

CSS

--color: #031b1c;
/* rgb */ color: rgb(3, 27, 28);
/* oklch */ color: oklch(20.4% 0.031 198.8);

Tailwind

colors: {
  custom: {
    50: '#475757',
    500: '#031b1c',
    950: '#000000',
  },
}

SCSS

$custom: #031b1c;
$custom-light: #475757;
$custom-dark: #000000;

JSON

{
  "hex": "#031b1c",
  "rgb": {
    "r": 3,
    "g": 27,
    "b": 28
  },
  "hsl": {
    "h": 182.4,
    "s": 80.645,
    "l": 6.078
  },
  "oklch": {
    "l": 0.20355,
    "c": 0.03064,
    "h": 198.8
  },
  "luminance": 0.00887
}

Semantic roles & 50–950 ramp

primary

#031B1C

secondary

#601E1B

accent

#3931F7

background

#F4F5F5

surface

#E6E9E9

border

#C2C5C5

text

#000303

muted

#777878

Preview Lab

Preview with #031B1C

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

Preview Lab → · Contrast checker → · Palette generator →