#0B3348#0B3348

#0B3348 is a dark, muted cyan. Relative luminance 0.029; OKLCH L 30.5% C 0.057 H 236.4°. Best body text is #FFFFFF at 13.28:1 contrast (WCAG AA passes).

Color values

HEX	#0B3348
RGB	rgb(11, 51, 72)
HSL	hsl(201, 73%, 16%)
HSV	hsv(201, 85%, 28%)
CMYK	cmyk(84.7%, 29.2%, 0%, 71.8%)
CIE-LAB	lab(19.67, -5.21, -16.91)
CIE-LCH	lch(19.67, 17.69, 252.88°)
OKLab	oklab(30.5% -0.0317 -0.0477)
OKLCH	oklch(30.5% 0.057 236.4)
XYZ	xyz(2.4911, 2.9064, 6.5593)
Luminance	0.0291 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0B3348 #48200B

analogous

#0B483F #0B3348 #0B1548

triadic

#0B3348 #480B33 #33480B

tetradic

#0B3348 #3F0B48 #48200B #15480B

square

#0B3348 #3F0B48 #48200B #15480B

split-complementary

#0B3348 #480B15 #483F0B

monochromatic

#04131B #04131B #0B3348 #13597D #1B7EB2

Accessibility & contrast

On white

13.28

#0B3348 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.58

#0B3348 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0B3348

13.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0B3348	#FFFFFF	#000000	##FFFFFF
##0B3348	1.00	13.28	1.58	13.28
#FFFFFF	13.28	1.00	21.00	1.00
#000000	1.58	21.00	1.00	21.00
##FFFFFF	13.28	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#293349

Deuteranopia (green-blind)

#212D48

Tritanopia (blue-blind)

#00383A

Achromatopsia (no color)

#303030

Design tokens & code

CSS

--color: #0b3348;
/* rgb */ color: rgb(11, 51, 72);
/* oklch */ color: oklch(30.5% 0.057 236.4);

Tailwind

colors: {
  custom: {
    50: '#556a7b',
    500: '#0b3348',
    950: '#000000',
  },
}

SCSS

$custom: #0b3348;
$custom-light: #556a7b;
$custom-dark: #000000;

JSON

{
  "hex": "#0b3348",
  "rgb": {
    "r": 11,
    "g": 51,
    "b": 72
  },
  "hsl": {
    "h": 200.656,
    "s": 73.494,
    "l": 16.275
  },
  "oklch": {
    "l": 0.30503,
    "c": 0.05728,
    "h": 236.4
  },
  "luminance": 0.02907
}

Semantic roles & 50–950 ramp

primary

#0B3348

secondary

#84492A

accent

#7738F0

background

#F5F6F7

surface

#E9EBED

border

#C5C6C8

text

#030609

muted

#787A7B

Preview Lab

Preview with #0B3348

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

Preview Lab → · Contrast checker → · Palette generator →