#0B3637#0B3637

#0B3637 is a dark, muted teal. Relative luminance 0.030; OKLCH L 30.5% C 0.045 H 197.3°. Best body text is #FFFFFF at 13.15:1 contrast (WCAG AA passes).

Color values

HEX	#0B3637
RGB	rgb(11, 54, 55)
HSL	hsl(181, 67%, 13%)
HSV	hsv(181, 80%, 22%)
CMYK	cmyk(80%, 1.8%, 0%, 78.4%)
CIE-LAB	lab(19.98, -13.77, -4.87)
CIE-LCH	lch(19.98, 14.61, 199.46°)
OKLab	oklab(30.5% -0.0433 -0.0135)
OKLCH	oklch(30.5% 0.045 197.3)
XYZ	xyz(2.1465, 2.9851, 4.0767)
Luminance	0.0299 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0B3637 #370C0B

analogous

#0B3722 #0B3637 #0B2037

triadic

#0B3637 #370B36 #36370B

tetradic

#0B3637 #220B37 #370C0B #20370B

square

#0B3637 #220B37 #370C0B #20370B

split-complementary

#0B3637 #370B20 #37220B

monochromatic

#05191A #05191A #0B3637 #15686A #1F9A9D

Accessibility & contrast

On white

13.15

#0B3637 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.60

#0B3637 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0B3637

13.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0B3637	#FFFFFF	#000000	##FFFFFF
##0B3637	1.00	13.15	1.60	13.15
#FFFFFF	13.15	1.00	21.00	1.00
#000000	1.60	21.00	1.00	21.00
##FFFFFF	13.15	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#323337

Deuteranopia (green-blind)

#2B2E37

Tritanopia (blue-blind)

#003836

Achromatopsia (no color)

#303030

Design tokens & code

CSS

--color: #0b3637;
/* rgb */ color: rgb(11, 54, 55);
/* oklch */ color: oklch(30.5% 0.045 197.3);

Tailwind

colors: {
  custom: {
    50: '#526d6d',
    500: '#0b3637',
    950: '#000000',
  },
}

SCSS

$custom: #0b3637;
$custom-light: #526d6d;
$custom-dark: #000000;

JSON

{
  "hex": "#0b3637",
  "rgb": {
    "r": 11,
    "g": 54,
    "b": 55
  },
  "hsl": {
    "h": 181.364,
    "s": 66.667,
    "l": 12.941
  },
  "oklch": {
    "l": 0.30502,
    "c": 0.04541,
    "h": 197.3
  },
  "luminance": 0.02985
}

Semantic roles & 50–950 ramp

primary

#0B3637

secondary

#742C2A

accent

#423EEA

background

#F4F6F6

surface

#E7EBEB

border

#C3C6C6

text

#030707

muted

#787A7A

Preview Lab

Preview with #0B3637

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

Preview Lab → · Contrast checker → · Palette generator →