#0B3548#0B3548

#0B3548 is a dark, muted cyan. Relative luminance 0.031; OKLCH L 31.1% C 0.056 H 232.6°. Best body text is #FFFFFF at 12.99:1 contrast (WCAG AA passes).

Color values

HEX	#0B3548
RGB	rgb(11, 53, 72)
HSL	hsl(199, 73%, 16%)
HSV	hsv(199, 85%, 28%)
CMYK	cmyk(84.7%, 26.4%, 0%, 71.8%)
CIE-LAB	lab(20.38, -6.54, -15.80)
CIE-LCH	lch(20.38, 17.10, 247.51°)
OKLab	oklab(31.07% -0.034 -0.0445)
OKLCH	oklch(31.07% 0.056 232.6)
XYZ	xyz(2.5803, 3.0849, 6.5891)
Luminance	0.0308 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0B3548 #481E0B

analogous

#0B483D #0B3548 #0B1748

triadic

#0B3548 #480B35 #35480B

tetradic

#0B3548 #3D0B48 #481E0B #17480B

square

#0B3548 #3D0B48 #481E0B #17480B

split-complementary

#0B3548 #480B17 #483D0B

monochromatic

#04141B #04141B #0B3548 #135C7D #1B83B2

Accessibility & contrast

On white

12.99

#0B3548 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.62

#0B3548 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0B3548

12.99:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0B3548	#FFFFFF	#000000	##FFFFFF
##0B3548	1.00	12.99	1.62	12.99
#FFFFFF	12.99	1.00	21.00	1.00
#000000	1.62	21.00	1.00	21.00
##FFFFFF	12.99	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2C3449

Deuteranopia (green-blind)

#232F48

Tritanopia (blue-blind)

#003A3B

Achromatopsia (no color)

#313131

Design tokens & code

CSS

--color: #0b3548;
/* rgb */ color: rgb(11, 53, 72);
/* oklch */ color: oklch(31.1% 0.056 232.6);

Tailwind

colors: {
  custom: {
    50: '#556c7b',
    500: '#0b3548',
    950: '#000000',
  },
}

SCSS

$custom: #0b3548;
$custom-light: #556c7b;
$custom-dark: #000000;

JSON

{
  "hex": "#0b3548",
  "rgb": {
    "r": 11,
    "g": 53,
    "b": 72
  },
  "hsl": {
    "h": 198.689,
    "s": 73.494,
    "l": 16.275
  },
  "oklch": {
    "l": 0.31073,
    "c": 0.05595,
    "h": 232.6
  },
  "luminance": 0.03085
}

Semantic roles & 50–950 ramp

primary

#0B3548

secondary

#84462A

accent

#7138F0

background

#F5F6F7

surface

#E9EBED

border

#C5C6C8

text

#030609

muted

#787A7B

Preview Lab

Preview with #0B3548

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

Preview Lab → · Contrast checker → · Palette generator →