#0B3449#0B3449

#0B3449 is a dark, muted cyan. Relative luminance 0.030; OKLCH L 30.8% C 0.058 H 235.9°. Best body text is #FFFFFF at 13.11:1 contrast (WCAG AA passes).

Color values

HEX	#0B3449
RGB	rgb(11, 52, 73)
HSL	hsl(200, 74%, 16%)
HSV	hsv(200, 85%, 29%)
CMYK	cmyk(84.9%, 28.8%, 0%, 71.4%)
CIE-LAB	lab(20.08, -5.46, -16.95)
CIE-LCH	lch(20.08, 17.80, 252.13°)
OKLab	oklab(30.85% -0.0324 -0.0478)
OKLCH	oklch(30.85% 0.058 235.9)
XYZ	xyz(2.5681, 3.0079, 6.7473)
Luminance	0.0301 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0B3449 #49200B

analogous

#0B493F #0B3449 #0B1549

triadic

#0B3449 #490B34 #34490B

tetradic

#0B3449 #3F0B49 #49200B #15490B

square

#0B3449 #3F0B49 #49200B #15490B

split-complementary

#0B3449 #490B15 #493F0B

monochromatic

#04131B #04131B #0B3449 #135A7E #1B80B3

Accessibility & contrast

On white

13.11

#0B3449 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.60

#0B3449 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0B3449

13.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0B3449	#FFFFFF	#000000	##FFFFFF
##0B3449	1.00	13.11	1.60	13.11
#FFFFFF	13.11	1.00	21.00	1.00
#000000	1.60	21.00	1.00	21.00
##FFFFFF	13.11	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2A344A

Deuteranopia (green-blind)

#212E49

Tritanopia (blue-blind)

#00393B

Achromatopsia (no color)

#303030

Design tokens & code

CSS

--color: #0b3449;
/* rgb */ color: rgb(11, 52, 73);
/* oklch */ color: oklch(30.8% 0.058 235.9);

Tailwind

colors: {
  custom: {
    50: '#556b7c',
    500: '#0b3449',
    950: '#000000',
  },
}

SCSS

$custom: #0b3449;
$custom-light: #556b7c;
$custom-dark: #000000;

JSON

{
  "hex": "#0b3449",
  "rgb": {
    "r": 11,
    "g": 52,
    "b": 73
  },
  "hsl": {
    "h": 200.323,
    "s": 73.81,
    "l": 16.471
  },
  "oklch": {
    "l": 0.30847,
    "c": 0.05776,
    "h": 235.9
  },
  "luminance": 0.03008
}

Semantic roles & 50–950 ramp

primary

#0B3449

secondary

#85492A

accent

#7637F0

background

#F5F6F7

surface

#E9EBEE

border

#C5C6C9

text

#030609

muted

#787A7B

Preview Lab

Preview with #0B3449

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

Preview Lab → · Contrast checker → · Palette generator →