#0B383B#0B383B

#0B383B is a dark, muted teal. Relative luminance 0.032; OKLCH L 31.3% C 0.047 H 201.6°. Best body text is #FFFFFF at 12.78:1 contrast (WCAG AA passes).

Color values

HEX	#0B383B
RGB	rgb(11, 56, 59)
HSL	hsl(184, 69%, 14%)
HSV	hsv(184, 81%, 23%)
CMYK	cmyk(81.4%, 5.1%, 0%, 76.9%)
CIE-LAB	lab(20.89, -13.51, -6.23)
CIE-LCH	lch(20.89, 14.87, 204.77°)
OKLab	oklab(31.28% -0.0437 -0.0173)
OKLCH	oklch(31.28% 0.047 201.6)
XYZ	xyz(2.3413, 3.2150, 4.6340)
Luminance	0.0321 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0B383B #3B0E0B

analogous

#0B3B26 #0B383B #0B203B

triadic

#0B383B #3B0B38 #383B0B

tetradic

#0B383B #260B3B #3B0E0B #203B0B

square

#0B383B #260B3B #3B0E0B #203B0B

split-complementary

#0B383B #3B0B20 #3B260B

monochromatic

#05181A #05181A #0B383B #15696F #1E9AA2

Accessibility & contrast

On white

12.78

#0B383B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.64

#0B383B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0B383B

12.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0B383B	#FFFFFF	#000000	##FFFFFF
##0B383B	1.00	12.78	1.64	12.78
#FFFFFF	12.78	1.00	21.00	1.00
#000000	1.64	21.00	1.00	21.00
##FFFFFF	12.78	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#33353B

Deuteranopia (green-blind)

#2C303B

Tritanopia (blue-blind)

#003A39

Achromatopsia (no color)

#323232

Design tokens & code

CSS

--color: #0b383b;
/* rgb */ color: rgb(11, 56, 59);
/* oklch */ color: oklch(31.3% 0.047 201.6);

Tailwind

colors: {
  custom: {
    50: '#536e70',
    500: '#0b383b',
    950: '#000000',
  },
}

SCSS

$custom: #0b383b;
$custom-light: #536e70;
$custom-dark: #000000;

JSON

{
  "hex": "#0b383b",
  "rgb": {
    "r": 11,
    "g": 56,
    "b": 59
  },
  "hsl": {
    "h": 183.75,
    "s": 68.571,
    "l": 13.725
  },
  "oklch": {
    "l": 0.31283,
    "c": 0.04701,
    "h": 201.6
  },
  "luminance": 0.03215
}

Semantic roles & 50–950 ramp

primary

#0B383B

secondary

#782F2A

accent

#473CEB

background

#F5F6F6

surface

#E8ECEC

border

#C4C7C7

text

#030707

muted

#787A7A

Preview Lab

Preview with #0B383B

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

Preview Lab → · Contrast checker → · Palette generator →