#0B3537#0B3537

#0B3537 is a dark, muted teal. Relative luminance 0.029; OKLCH L 30.2% C 0.045 H 199.7°. Best body text is #FFFFFF at 13.30:1 contrast (WCAG AA passes).

Color values

HEX	#0B3537
RGB	rgb(11, 53, 55)
HSL	hsl(183, 67%, 13%)
HSV	hsv(183, 80%, 22%)
CMYK	cmyk(80%, 3.6%, 0%, 78.4%)
CIE-LAB	lab(19.61, -13.18, -5.43)
CIE-LCH	lch(19.61, 14.25, 202.39°)
OKLab	oklab(30.2% -0.0421 -0.0151)
OKLCH	oklch(30.2% 0.045 199.7)
XYZ	xyz(2.1004, 2.8929, 4.0614)
Luminance	0.0289 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0B3537 #370D0B

analogous

#0B3723 #0B3537 #0B1F37

triadic

#0B3537 #370B35 #35370B

tetradic

#0B3537 #230B37 #370D0B #1F370B

square

#0B3537 #230B37 #370D0B #1F370B

split-complementary

#0B3537 #370B1F #37230B

monochromatic

#05191A #05191A #0B3537 #15666A #1F979D

Accessibility & contrast

On white

13.30

#0B3537 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.58

#0B3537 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0B3537

13.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0B3537	#FFFFFF	#000000	##FFFFFF
##0B3537	1.00	13.30	1.58	13.30
#FFFFFF	13.30	1.00	21.00	1.00
#000000	1.58	21.00	1.00	21.00
##FFFFFF	13.30	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#313237

Deuteranopia (green-blind)

#2A2D37

Tritanopia (blue-blind)

#003735

Achromatopsia (no color)

#2F2F2F

Design tokens & code

CSS

--color: #0b3537;
/* rgb */ color: rgb(11, 53, 55);
/* oklch */ color: oklch(30.2% 0.045 199.7);

Tailwind

colors: {
  custom: {
    50: '#526c6d',
    500: '#0b3537',
    950: '#000000',
  },
}

SCSS

$custom: #0b3537;
$custom-light: #526c6d;
$custom-dark: #000000;

JSON

{
  "hex": "#0b3537",
  "rgb": {
    "r": 11,
    "g": 53,
    "b": 55
  },
  "hsl": {
    "h": 182.727,
    "s": 66.667,
    "l": 12.941
  },
  "oklch": {
    "l": 0.30199,
    "c": 0.0447,
    "h": 199.7
  },
  "luminance": 0.02893
}

Semantic roles & 50–950 ramp

primary

#0B3537

secondary

#742D2A

accent

#463EEA

background

#F4F6F6

surface

#E7EBEB

border

#C3C6C6

text

#020707

muted

#787A7A

Preview Lab

Preview with #0B3537

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

Preview Lab → · Contrast checker → · Palette generator →