#0B373E#0B373E

#0B373E is a dark, muted teal. Relative luminance 0.032; OKLCH L 31.1% C 0.047 H 210.4°. Best body text is #FFFFFF at 12.88:1 contrast (WCAG AA passes).

Color values

HEX	#0B373E
RGB	rgb(11, 55, 62)
HSL	hsl(188, 70%, 14%)
HSV	hsv(188, 82%, 24%)
CMYK	cmyk(82.3%, 11.3%, 0%, 75.7%)
CIE-LAB	lab(20.64, -11.78, -8.64)
CIE-LCH	lch(20.64, 14.61, 216.24°)
OKLab	oklab(31.13% -0.0409 -0.024)
OKLCH	oklch(31.13% 0.047 210.4)
XYZ	xyz(2.3733, 3.1510, 5.0396)
Luminance	0.0315 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0B373E #3E120B

analogous

#0B3E2C #0B373E #0B1E3E

triadic

#0B373E #3E0B37 #373E0B

tetradic

#0B373E #2C0B3E #3E120B #1E3E0B

square

#0B373E #2C0B3E #3E120B #1E3E0B

split-complementary

#0B373E #3E0B1E #3E2C0B

monochromatic

#05171A #05171A #0B373E #146572 #1D93A6

Accessibility & contrast

On white

12.88

#0B373E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.63

#0B373E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0B373E

12.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0B373E	#FFFFFF	#000000	##FFFFFF
##0B373E	1.00	12.88	1.63	12.88
#FFFFFF	12.88	1.00	21.00	1.00
#000000	1.63	21.00	1.00	21.00
##FFFFFF	12.88	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#31353E

Deuteranopia (green-blind)

#2A2F3E

Tritanopia (blue-blind)

#003A39

Achromatopsia (no color)

#323232

Design tokens & code

CSS

--color: #0b373e;
/* rgb */ color: rgb(11, 55, 62);
/* oklch */ color: oklch(31.1% 0.047 210.4);

Tailwind

colors: {
  custom: {
    50: '#536e73',
    500: '#0b373e',
    950: '#000000',
  },
}

SCSS

$custom: #0b373e;
$custom-light: #536e73;
$custom-dark: #000000;

JSON

{
  "hex": "#0b373e",
  "rgb": {
    "r": 11,
    "g": 55,
    "b": 62
  },
  "hsl": {
    "h": 188.235,
    "s": 69.863,
    "l": 14.314
  },
  "oklch": {
    "l": 0.31125,
    "c": 0.04748,
    "h": 210.4
  },
  "luminance": 0.03151
}

Semantic roles & 50–950 ramp

primary

#0B373E

secondary

#7B352A

accent

#543BED

background

#F5F6F6

surface

#E9EBEC

border

#C5C6C7

text

#030708

muted

#787A7B

Preview Lab

Preview with #0B373E

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

Preview Lab → · Contrast checker → · Palette generator →