#0B3738#0B3738

#0B3738 is a dark, muted teal. Relative luminance 0.031; OKLCH L 30.8% C 0.046 H 197.3°. Best body text is #FFFFFF at 12.98:1 contrast (WCAG AA passes).

Color values

HEX	#0B3738
RGB	rgb(11, 55, 56)
HSL	hsl(181, 67%, 13%)
HSV	hsv(181, 80%, 22%)
CMYK	cmyk(80.4%, 1.8%, 0%, 78%)
CIE-LAB	lab(20.40, -14.00, -4.93)
CIE-LCH	lch(20.40, 14.85, 199.40°)
OKLab	oklab(30.85% -0.0441 -0.0137)
OKLCH	oklch(30.85% 0.046 197.3)
XYZ	xyz(2.2177, 3.0888, 4.2199)
Luminance	0.0309 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0B3738 #380C0B

analogous

#0B3822 #0B3738 #0B2038

triadic

#0B3738 #380B37 #37380B

tetradic

#0B3738 #220B38 #380C0B #20380B

square

#0B3738 #220B38 #380C0B #20380B

split-complementary

#0B3738 #380B20 #38220B

monochromatic

#05191A #05191A #0B3738 #15696B #1F9B9E

Accessibility & contrast

On white

12.98

#0B3738 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.62

#0B3738 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0B3738

12.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0B3738	#FFFFFF	#000000	##FFFFFF
##0B3738	1.00	12.98	1.62	12.98
#FFFFFF	12.98	1.00	21.00	1.00
#000000	1.62	21.00	1.00	21.00
##FFFFFF	12.98	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#333438

Deuteranopia (green-blind)

#2C2F38

Tritanopia (blue-blind)

#003937

Achromatopsia (no color)

#313131

Design tokens & code

CSS

--color: #0b3738;
/* rgb */ color: rgb(11, 55, 56);
/* oklch */ color: oklch(30.8% 0.046 197.3);

Tailwind

colors: {
  custom: {
    50: '#526e6e',
    500: '#0b3738',
    950: '#000000',
  },
}

SCSS

$custom: #0b3738;
$custom-light: #526e6e;
$custom-dark: #000000;

JSON

{
  "hex": "#0b3738",
  "rgb": {
    "r": 11,
    "g": 55,
    "b": 56
  },
  "hsl": {
    "h": 181.333,
    "s": 67.164,
    "l": 13.137
  },
  "oklch": {
    "l": 0.30848,
    "c": 0.04614,
    "h": 197.3
  },
  "luminance": 0.03089
}

Semantic roles & 50–950 ramp

primary

#0B3738

secondary

#752C2A

accent

#423EEA

background

#F4F6F6

surface

#E7EBEB

border

#C3C6C6

text

#030707

muted

#787A7A

Preview Lab

Preview with #0B3738

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

Preview Lab → · Contrast checker → · Palette generator →