#0B373B#0B373B

#0B373B is a dark, muted teal. Relative luminance 0.031; OKLCH L 31.0% C 0.046 H 203.9°. Best body text is #FFFFFF at 12.93:1 contrast (WCAG AA passes).

Color values

HEX	#0B373B
RGB	rgb(11, 55, 59)
HSL	hsl(185, 69%, 14%)
HSV	hsv(185, 81%, 23%)
CMYK	cmyk(81.4%, 6.8%, 0%, 76.9%)
CIE-LAB	lab(20.51, -12.91, -6.79)
CIE-LCH	lch(20.51, 14.59, 207.75°)
OKLab	oklab(30.98% -0.0425 -0.0189)
OKLCH	oklch(30.98% 0.046 203.9)
XYZ	xyz(2.2933, 3.1190, 4.6180)
Luminance	0.0312 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0B373B #3B0F0B

analogous

#0B3B27 #0B373B #0B1F3B

triadic

#0B373B #3B0B37 #373B0B

tetradic

#0B373B #270B3B #3B0F0B #1F3B0B

square

#0B373B #270B3B #3B0F0B #1F3B0B

split-complementary

#0B373B #3B0B1F #3B270B

monochromatic

#05181A #05181A #0B373B #15676F #1E97A2

Accessibility & contrast

On white

12.93

#0B373B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.62

#0B373B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0B373B

12.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0B373B	#FFFFFF	#000000	##FFFFFF
##0B373B	1.00	12.93	1.62	12.93
#FFFFFF	12.93	1.00	21.00	1.00
#000000	1.62	21.00	1.00	21.00
##FFFFFF	12.93	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#32343B

Deuteranopia (green-blind)

#2B2F3B

Tritanopia (blue-blind)

#003A38

Achromatopsia (no color)

#313131

Design tokens & code

CSS

--color: #0b373b;
/* rgb */ color: rgb(11, 55, 59);
/* oklch */ color: oklch(31.0% 0.046 203.9);

Tailwind

colors: {
  custom: {
    50: '#536e70',
    500: '#0b373b',
    950: '#000000',
  },
}

SCSS

$custom: #0b373b;
$custom-light: #536e70;
$custom-dark: #000000;

JSON

{
  "hex": "#0b373b",
  "rgb": {
    "r": 11,
    "g": 55,
    "b": 59
  },
  "hsl": {
    "h": 185,
    "s": 68.571,
    "l": 13.725
  },
  "oklch": {
    "l": 0.30983,
    "c": 0.04648,
    "h": 203.9
  },
  "luminance": 0.03119
}

Semantic roles & 50–950 ramp

primary

#0B373B

secondary

#78312A

accent

#4B3CEB

background

#F5F6F6

surface

#E8EBEC

border

#C4C6C7

text

#030707

muted

#787A7A

Preview Lab

Preview with #0B373B

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

Preview Lab → · Contrast checker → · Palette generator →