#0B3741#0B3741

#0B3741 is a dark, muted cyan. Relative luminance 0.032; OKLCH L 31.3% C 0.049 H 216.5°. Best body text is #FFFFFF at 12.83:1 contrast (WCAG AA passes).

Color values

HEX	#0B3741
RGB	rgb(11, 55, 65)
HSL	hsl(191, 71%, 15%)
HSV	hsv(191, 83%, 25%)
CMYK	cmyk(83.1%, 15.4%, 0%, 74.5%)
CIE-LAB	lab(20.77, -10.63, -10.47)
CIE-LCH	lch(20.77, 14.92, 224.56°)
OKLab	oklab(31.27% -0.0395 -0.0292)
OKLCH	oklch(31.27% 0.049 216.5)
XYZ	xyz(2.4579, 3.1849, 5.4852)
Luminance	0.0319 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0B3741 #41150B

analogous

#0B4130 #0B3741 #0B1C41

triadic

#0B3741 #410B37 #37410B

tetradic

#0B3741 #300B41 #41150B #1C410B

square

#0B3741 #300B41 #41150B #1C410B

split-complementary

#0B3741 #410B1C #41300B

monochromatic

#04161A #04161A #0B3741 #146375 #1D90AA

Accessibility & contrast

On white

12.83

#0B3741 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.64

#0B3741 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0B3741

12.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0B3741	#FFFFFF	#000000	##FFFFFF
##0B3741	1.00	12.83	1.64	12.83
#FFFFFF	12.83	1.00	21.00	1.00
#000000	1.64	21.00	1.00	21.00
##FFFFFF	12.83	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#303542

Deuteranopia (green-blind)

#293041

Tritanopia (blue-blind)

#003B3A

Achromatopsia (no color)

#323232

Design tokens & code

CSS

--color: #0b3741;
/* rgb */ color: rgb(11, 55, 65);
/* oklch */ color: oklch(31.3% 0.049 216.5);

Tailwind

colors: {
  custom: {
    50: '#546e75',
    500: '#0b3741',
    950: '#000000',
  },
}

SCSS

$custom: #0b3741;
$custom-light: #546e75;
$custom-dark: #000000;

JSON

{
  "hex": "#0b3741",
  "rgb": {
    "r": 11,
    "g": 55,
    "b": 65
  },
  "hsl": {
    "h": 191.111,
    "s": 71.053,
    "l": 14.902
  },
  "oklch": {
    "l": 0.31274,
    "c": 0.0491,
    "h": 216.5
  },
  "luminance": 0.03185
}

Semantic roles & 50–950 ramp

primary

#0B3741

secondary

#7E3A2A

accent

#5B3AEE

background

#F5F6F7

surface

#E9EBED

border

#C5C6C8

text

#030708

muted

#787A7B

Preview Lab

Preview with #0B3741

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

Preview Lab → · Contrast checker → · Palette generator →