#0B3239#0B3239

#0B3239 is a dark, muted teal. Relative luminance 0.026; OKLCH L 29.4% C 0.044 H 212.0°. Best body text is #FFFFFF at 13.73:1 contrast (WCAG AA passes).

Color values

HEX	#0B3239
RGB	rgb(11, 50, 57)
HSL	hsl(189, 68%, 13%)
HSV	hsv(189, 81%, 22%)
CMYK	cmyk(80.7%, 12.3%, 0%, 77.6%)
CIE-LAB	lab(18.57, -10.60, -8.37)
CIE-LCH	lch(18.57, 13.50, 218.29°)
OKLab	oklab(29.39% -0.0373 -0.0233)
OKLCH	oklch(29.39% 0.044 212)
XYZ	xyz(2.0168, 2.6475, 4.2748)
Luminance	0.0265 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0B3239 #39120B

analogous

#0B3929 #0B3239 #0B1B39

triadic

#0B3239 #390B32 #32390B

tetradic

#0B3239 #290B39 #39120B #1B390B

square

#0B3239 #290B39 #39120B #1B390B

split-complementary

#0B3239 #390B1B #39290B

monochromatic

#05171A #05171A #0B3239 #155F6C #1F8CA0

Accessibility & contrast

On white

13.73

#0B3239 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.53

#0B3239 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0B3239

13.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0B3239	#FFFFFF	#000000	##FFFFFF
##0B3239	1.00	13.73	1.53	13.73
#FFFFFF	13.73	1.00	21.00	1.00
#000000	1.53	21.00	1.00	21.00
##FFFFFF	13.73	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2C3039

Deuteranopia (green-blind)

#262B39

Tritanopia (blue-blind)

#003534

Achromatopsia (no color)

#2D2D2D

Design tokens & code

CSS

--color: #0b3239;
/* rgb */ color: rgb(11, 50, 57);
/* oklch */ color: oklch(29.4% 0.044 212.0);

Tailwind

colors: {
  custom: {
    50: '#526a6f',
    500: '#0b3239',
    950: '#000000',
  },
}

SCSS

$custom: #0b3239;
$custom-light: #526a6f;
$custom-dark: #000000;

JSON

{
  "hex": "#0b3239",
  "rgb": {
    "r": 11,
    "g": 50,
    "b": 57
  },
  "hsl": {
    "h": 189.13,
    "s": 67.647,
    "l": 13.333
  },
  "oklch": {
    "l": 0.29389,
    "c": 0.04395,
    "h": 212
  },
  "luminance": 0.02648
}

Semantic roles & 50–950 ramp

primary

#0B3239

secondary

#76362A

accent

#583DEB

background

#F4F6F6

surface

#E7EBEC

border

#C3C6C7

text

#020607

muted

#787A7A

Preview Lab

Preview with #0B3239

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

Preview Lab → · Contrast checker → · Palette generator →