#0B3237#0B3237

#0B3237 is a dark, muted teal. Relative luminance 0.026; OKLCH L 29.3% C 0.043 H 207.3°. Best body text is #FFFFFF at 13.77:1 contrast (WCAG AA passes).

Color values

HEX	#0B3237
RGB	rgb(11, 50, 55)
HSL	hsl(187, 67%, 13%)
HSV	hsv(187, 80%, 22%)
CMYK	cmyk(80%, 9.1%, 0%, 78.4%)
CIE-LAB	lab(18.49, -11.36, -7.12)
CIE-LCH	lch(18.49, 13.41, 212.08°)
OKLab	oklab(29.29% -0.0383 -0.0198)
OKLCH	oklch(29.29% 0.043 207.3)
XYZ	xyz(1.9679, 2.6280, 4.0172)
Luminance	0.0263 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0B3237 #37100B

analogous

#0B3726 #0B3237 #0B1C37

triadic

#0B3237 #370B32 #32370B

tetradic

#0B3237 #260B37 #37100B #1C370B

square

#0B3237 #260B37 #37100B #1C370B

split-complementary

#0B3237 #370B1C #37260B

monochromatic

#05171A #05171A #0B3237 #15606A #1F8F9D

Accessibility & contrast

On white

13.77

#0B3237 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.53

#0B3237 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0B3237

13.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0B3237	#FFFFFF	#000000	##FFFFFF
##0B3237	1.00	13.77	1.53	13.77
#FFFFFF	13.77	1.00	21.00	1.00
#000000	1.53	21.00	1.00	21.00
##FFFFFF	13.77	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2D3037

Deuteranopia (green-blind)

#272B37

Tritanopia (blue-blind)

#003533

Achromatopsia (no color)

#2D2D2D

Design tokens & code

CSS

--color: #0b3237;
/* rgb */ color: rgb(11, 50, 55);
/* oklch */ color: oklch(29.3% 0.043 207.3);

Tailwind

colors: {
  custom: {
    50: '#526a6d',
    500: '#0b3237',
    950: '#000000',
  },
}

SCSS

$custom: #0b3237;
$custom-light: #526a6d;
$custom-dark: #000000;

JSON

{
  "hex": "#0b3237",
  "rgb": {
    "r": 11,
    "g": 50,
    "b": 55
  },
  "hsl": {
    "h": 186.818,
    "s": 66.667,
    "l": 12.941
  },
  "oklch": {
    "l": 0.29292,
    "c": 0.04311,
    "h": 207.3
  },
  "luminance": 0.02628
}

Semantic roles & 50–950 ramp

primary

#0B3237

secondary

#74322A

accent

#523EEA

background

#F4F6F6

surface

#E7EBEB

border

#C3C6C6

text

#020607

muted

#787A7A

Preview Lab

Preview with #0B3237

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

Preview Lab → · Contrast checker → · Palette generator →