#0B3448#0B3448

#0B3448 is a dark, muted cyan. Relative luminance 0.030; OKLCH L 30.8% C 0.057 H 234.5°. Best body text is #FFFFFF at 13.13:1 contrast (WCAG AA passes).

Color values

HEX	#0B3448
RGB	rgb(11, 52, 72)
HSL	hsl(200, 73%, 16%)
HSV	hsv(200, 85%, 28%)
CMYK	cmyk(84.7%, 27.8%, 0%, 71.8%)
CIE-LAB	lab(20.02, -5.88, -16.35)
CIE-LCH	lch(20.02, 17.38, 250.23°)
OKLab	oklab(30.79% -0.0328 -0.0461)
OKLCH	oklch(30.79% 0.057 234.5)
XYZ	xyz(2.5352, 2.9947, 6.5741)
Luminance	0.0300 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0B3448 #481F0B

analogous

#0B483E #0B3448 #0B1648

triadic

#0B3448 #480B34 #34480B

tetradic

#0B3448 #3E0B48 #481F0B #16480B

square

#0B3448 #3E0B48 #481F0B #16480B

split-complementary

#0B3448 #480B16 #483E0B

monochromatic

#04131B #04131B #0B3448 #135A7D #1B81B2

Accessibility & contrast

On white

13.13

#0B3448 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.60

#0B3448 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0B3448

13.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0B3448	#FFFFFF	#000000	##FFFFFF
##0B3448	1.00	13.13	1.60	13.13
#FFFFFF	13.13	1.00	21.00	1.00
#000000	1.60	21.00	1.00	21.00
##FFFFFF	13.13	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2A3449

Deuteranopia (green-blind)

#222E48

Tritanopia (blue-blind)

#00393B

Achromatopsia (no color)

#303030

Design tokens & code

CSS

--color: #0b3448;
/* rgb */ color: rgb(11, 52, 72);
/* oklch */ color: oklch(30.8% 0.057 234.5);

Tailwind

colors: {
  custom: {
    50: '#556b7b',
    500: '#0b3448',
    950: '#000000',
  },
}

SCSS

$custom: #0b3448;
$custom-light: #556b7b;
$custom-dark: #000000;

JSON

{
  "hex": "#0b3448",
  "rgb": {
    "r": 11,
    "g": 52,
    "b": 72
  },
  "hsl": {
    "h": 199.672,
    "s": 73.494,
    "l": 16.275
  },
  "oklch": {
    "l": 0.30788,
    "c": 0.05658,
    "h": 234.5
  },
  "luminance": 0.02995
}

Semantic roles & 50–950 ramp

primary

#0B3448

secondary

#84482A

accent

#7438F0

background

#F5F6F7

surface

#E9EBED

border

#C5C6C8

text

#030609

muted

#787A7B

Preview Lab

Preview with #0B3448

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

Preview Lab → · Contrast checker → · Palette generator →