#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
RGBrgb(11, 52, 72)
HSLhsl(200, 73%, 16%)
HSVhsv(200, 85%, 28%)
CMYKcmyk(84.7%, 27.8%, 0%, 71.8%)
CIE-LABlab(20.02, -5.88, -16.35)
CIE-LCHlch(20.02, 17.38, 250.23°)
OKLaboklab(30.79% -0.0328 -0.0461)
OKLCHoklch(30.79% 0.057 234.5)
XYZxyz(2.5352, 2.9947, 6.5741)
Luminance0.0300 (WCAG relative)
Temperaturecool
Familycyan

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
##0B34481.0013.131.6013.13
#FFFFFF13.131.0021.001.00
#0000001.6021.001.0021.00
##FFFFFF13.131.0021.001.00

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 →

#0B3448 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva