#0B3949#0B3949

#0B3949 is a dark, muted cyan. Relative luminance 0.035; OKLCH L 32.3% C 0.055 H 226.2°. Best body text is #FFFFFF at 12.38:1 contrast (WCAG AA passes).

Color values

HEX	#0B3949
RGB	rgb(11, 57, 73)
HSL	hsl(195, 74%, 16%)
HSV	hsv(195, 85%, 29%)
CMYK	cmyk(84.9%, 21.9%, 0%, 71.4%)
CIE-LAB	lab(21.87, -8.73, -14.16)
CIE-LCH	lch(21.87, 16.64, 238.35°)
OKLab	oklab(32.28% -0.0381 -0.0397)
OKLCH	oklch(32.28% 0.055 226.2)
XYZ	xyz(2.8032, 3.4781, 6.8256)
Luminance	0.0348 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0B3949 #491B0B

analogous

#0B493A #0B3949 #0B1A49

triadic

#0B3949 #490B39 #39490B

tetradic

#0B3949 #3A0B49 #491B0B #1A490B

square

#0B3949 #3A0B49 #491B0B #1A490B

split-complementary

#0B3949 #490B1A #493A0B

monochromatic

#04151B #04151B #0B3949 #13637E #1B8CB3

Accessibility & contrast

On white

12.38

#0B3949 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.70

#0B3949 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0B3949

12.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0B3949	#FFFFFF	#000000	##FFFFFF
##0B3949	1.00	12.38	1.70	12.38
#FFFFFF	12.38	1.00	21.00	1.00
#000000	1.70	21.00	1.00	21.00
##FFFFFF	12.38	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#30384A

Deuteranopia (green-blind)

#283249

Tritanopia (blue-blind)

#003E3E

Achromatopsia (no color)

#343434

Design tokens & code

CSS

--color: #0b3949;
/* rgb */ color: rgb(11, 57, 73);
/* oklch */ color: oklch(32.3% 0.055 226.2);

Tailwind

colors: {
  custom: {
    50: '#566f7b',
    500: '#0b3949',
    950: '#000000',
  },
}

SCSS

$custom: #0b3949;
$custom-light: #566f7b;
$custom-dark: #000000;

JSON

{
  "hex": "#0b3949",
  "rgb": {
    "r": 11,
    "g": 57,
    "b": 73
  },
  "hsl": {
    "h": 195.484,
    "s": 73.81,
    "l": 16.471
  },
  "oklch": {
    "l": 0.32276,
    "c": 0.05507,
    "h": 226.2
  },
  "luminance": 0.03478
}

Semantic roles & 50–950 ramp

primary

#0B3949

secondary

#85422A

accent

#6737F0

background

#F5F6F7

surface

#E9ECEE

border

#C5C7C9

text

#030709

muted

#787A7B

Preview Lab

Preview with #0B3949

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

Preview Lab → · Contrast checker → · Palette generator →