#0B3737#0B3737

#0B3737 is a dark, muted teal. Relative luminance 0.031; OKLCH L 30.8% C 0.046 H 195.0°. Best body text is #FFFFFF at 13.00:1 contrast (WCAG AA passes).

Color values

HEX	#0B3737
RGB	rgb(11, 55, 55)
HSL	hsl(180, 67%, 13%)
HSV	hsv(180, 80%, 22%)
CMYK	cmyk(80%, 0%, 0%, 78.4%)
CIE-LAB	lab(20.36, -14.36, -4.31)
CIE-LCH	lch(20.36, 14.99, 196.70°)
OKLab	oklab(30.81% -0.0446 -0.012)
OKLCH	oklch(30.81% 0.046 195)
XYZ	xyz(2.1935, 3.0791, 4.0924)
Luminance	0.0308 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0B3737 #370B0B

analogous

#0B3721 #0B3737 #0B2137

triadic

#0B3737 #370B37 #37370B

tetradic

#0B3737 #210B37 #370B0B #21370B

square

#0B3737 #210B37 #370B0B #21370B

split-complementary

#0B3737 #370B21 #37210B

monochromatic

#051A1A #051A1A #0B3737 #156A6A #1F9D9D

Accessibility & contrast

On white

13.00

#0B3737 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.62

#0B3737 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0B3737

13.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0B3737	#FFFFFF	#000000	##FFFFFF
##0B3737	1.00	13.00	1.62	13.00
#FFFFFF	13.00	1.00	21.00	1.00
#000000	1.62	21.00	1.00	21.00
##FFFFFF	13.00	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#333437

Deuteranopia (green-blind)

#2C2F37

Tritanopia (blue-blind)

#003937

Achromatopsia (no color)

#313131

Design tokens & code

CSS

--color: #0b3737;
/* rgb */ color: rgb(11, 55, 55);
/* oklch */ color: oklch(30.8% 0.046 195.0);

Tailwind

colors: {
  custom: {
    50: '#526e6d',
    500: '#0b3737',
    950: '#000000',
  },
}

SCSS

$custom: #0b3737;
$custom-light: #526e6d;
$custom-dark: #000000;

JSON

{
  "hex": "#0b3737",
  "rgb": {
    "r": 11,
    "g": 55,
    "b": 55
  },
  "hsl": {
    "h": 180,
    "s": 66.667,
    "l": 12.941
  },
  "oklch": {
    "l": 0.30805,
    "c": 0.04618,
    "h": 195
  },
  "luminance": 0.03079
}

Semantic roles & 50–950 ramp

primary

#0B3737

secondary

#742A2A

accent

#3E3EEA

background

#F4F6F6

surface

#E7EBEB

border

#C3C6C6

text

#030707

muted

#787A7A

Preview Lab

Preview with #0B3737

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

Preview Lab → · Contrast checker → · Palette generator →