#0B3549#0B3549

#0B3549 is a dark, muted cyan. Relative luminance 0.031; OKLCH L 31.1% C 0.057 H 234.0°. Best body text is #FFFFFF at 12.97:1 contrast (WCAG AA passes).

Color values

HEX	#0B3549
RGB	rgb(11, 53, 73)
HSL	hsl(199, 74%, 16%)
HSV	hsv(199, 85%, 29%)
CMYK	cmyk(84.9%, 27.4%, 0%, 71.4%)
CIE-LAB	lab(20.43, -6.13, -16.39)
CIE-LCH	lch(20.43, 17.50, 249.50°)
OKLab	oklab(31.13% -0.0335 -0.0462)
OKLCH	oklch(31.13% 0.057 234)
XYZ	xyz(2.6132, 3.0981, 6.7623)
Luminance	0.0310 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0B3549 #491F0B

analogous

#0B493E #0B3549 #0B1649

triadic

#0B3549 #490B35 #35490B

tetradic

#0B3549 #3E0B49 #491F0B #16490B

square

#0B3549 #3E0B49 #491F0B #16490B

split-complementary

#0B3549 #490B16 #493E0B

monochromatic

#04131B #04131B #0B3549 #135C7E #1B82B3

Accessibility & contrast

On white

12.97

#0B3549 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.62

#0B3549 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0B3549

12.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0B3549	#FFFFFF	#000000	##FFFFFF
##0B3549	1.00	12.97	1.62	12.97
#FFFFFF	12.97	1.00	21.00	1.00
#000000	1.62	21.00	1.00	21.00
##FFFFFF	12.97	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2B354A

Deuteranopia (green-blind)

#232F49

Tritanopia (blue-blind)

#003A3C

Achromatopsia (no color)

#313131

Design tokens & code

CSS

--color: #0b3549;
/* rgb */ color: rgb(11, 53, 73);
/* oklch */ color: oklch(31.1% 0.057 234.0);

Tailwind

colors: {
  custom: {
    50: '#556c7b',
    500: '#0b3549',
    950: '#000000',
  },
}

SCSS

$custom: #0b3549;
$custom-light: #556c7b;
$custom-dark: #000000;

JSON

{
  "hex": "#0b3549",
  "rgb": {
    "r": 11,
    "g": 53,
    "b": 73
  },
  "hsl": {
    "h": 199.355,
    "s": 73.81,
    "l": 16.471
  },
  "oklch": {
    "l": 0.31132,
    "c": 0.05707,
    "h": 234
  },
  "luminance": 0.03098
}

Semantic roles & 50–950 ramp

primary

#0B3549

secondary

#85482A

accent

#7337F0

background

#F5F6F7

surface

#E9EBEE

border

#C5C6C9

text

#030609

muted

#787A7B

Preview Lab

Preview with #0B3549

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

Preview Lab → · Contrast checker → · Palette generator →