#03181C#03181C

#03181C is a very dark, muted teal. Relative luminance 0.008; OKLCH L 19.4% C 0.029 H 211.2°. Best body text is #FFFFFF at 18.24:1 contrast (WCAG AA passes).

Color values

HEX	#03181C
RGB	rgb(3, 24, 28)
HSL	hsl(190, 81%, 6%)
HSV	hsv(190, 89%, 11%)
CMYK	cmyk(89.3%, 14.3%, 0%, 89%)
CIE-LAB	lab(6.83, -5.95, -5.32)
CIE-LCH	lch(6.83, 7.98, 221.78°)
OKLab	oklab(19.35% -0.0249 -0.0151)
OKLCH	oklch(19.35% 0.029 211.2)
XYZ	xyz(0.5737, 0.7564, 1.2141)
Luminance	0.0076 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#03181C #1C0703

analogous

#031C13 #03181C #030B1C

triadic

#03181C #1C0318 #181C03

tetradic

#03181C #13031C #1C0703 #0B1C03

square

#03181C #13031C #1C0703 #0B1C03

split-complementary

#03181C #1C030B #1C1303

monochromatic

#03181C #03181C #03181C #094753 #0F778B

Accessibility & contrast

On white

18.24

#03181C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.15

#03181C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #03181C

18.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##03181C	#FFFFFF	#000000	##FFFFFF
##03181C	1.00	18.24	1.15	18.24
#FFFFFF	18.24	1.00	21.00	1.00
#000000	1.15	21.00	1.00	21.00
##FFFFFF	18.24	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#15171C

Deuteranopia (green-blind)

#11141C

Tritanopia (blue-blind)

#001A19

Achromatopsia (no color)

#151515

Design tokens & code

CSS

--color: #03181c;
/* rgb */ color: rgb(3, 24, 28);
/* oklch */ color: oklch(19.4% 0.029 211.2);

Tailwind

colors: {
  custom: {
    50: '#475458',
    500: '#03181c',
    950: '#000000',
  },
}

SCSS

$custom: #03181c;
$custom-light: #475458;
$custom-dark: #000000;

JSON

{
  "hex": "#03181c",
  "rgb": {
    "r": 3,
    "g": 24,
    "b": 28
  },
  "hsl": {
    "h": 189.6,
    "s": 80.645,
    "l": 6.078
  },
  "oklch": {
    "l": 0.19352,
    "c": 0.02908,
    "h": 211.2
  },
  "luminance": 0.00756
}

Semantic roles & 50–950 ramp

primary

#03181C

secondary

#60261B

accent

#5031F7

background

#F4F4F5

surface

#E6E7E9

border

#C2C3C5

text

#000203

muted

#777878

Preview Lab

Preview with #03181C

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

Preview Lab → · Contrast checker → · Palette generator →