#0B3D4A#0B3D4A

#0B3D4A is a dark, muted cyan. Relative luminance 0.039; OKLCH L 33.5% C 0.055 H 219.7°. Best body text is #FFFFFF at 11.79:1 contrast (WCAG AA passes).

Color values

HEX#0B3D4A
RGBrgb(11, 61, 74)
HSLhsl(192, 74%, 17%)
HSVhsv(192, 85%, 29%)
CMYKcmyk(85.1%, 17.6%, 0%, 71%)
CIE-LABlab(23.35, -10.85, -12.55)
CIE-LCHlch(23.35, 16.59, 229.16°)
OKLaboklab(33.48% -0.0423 -0.0351)
OKLCHoklch(33.48% 0.055 219.7)
XYZxyz(3.0423, 3.9027, 7.0702)
Luminance0.0390 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#0B3D4A #4A180B
analogous
#0B4A38 #0B3D4A #0B1E4A
triadic
#0B3D4A #4A0B3D #3D4A0B
tetradic
#0B3D4A #380B4A #4A180B #1E4A0B
square
#0B3D4A #380B4A #4A180B #1E4A0B
split-complementary
#0B3D4A #4A0B1E #4A380B
monochromatic
#04161B #04161B #0B3D4A #13697F #1B95B5

Accessibility & contrast

On white

11.79
#0B3D4A on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.78
#0B3D4A on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0B3D4A
11.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##0B3D4A#FFFFFF#000000##FFFFFF
##0B3D4A1.0011.791.7811.79
#FFFFFF11.791.0021.001.00
#0000001.7821.001.0021.00
##FFFFFF11.791.0021.001.00

Color blindness preview

Protanopia (red-blind)
#353B4B
Deuteranopia (green-blind)
#2D354A
Tritanopia (blue-blind)
#004141
Achromatopsia (no color)
#383838

Design tokens & code

CSS
--color: #0b3d4a;
/* rgb */ color: rgb(11, 61, 74);
/* oklch */ color: oklch(33.5% 0.055 219.7);
Tailwind
colors: {
  custom: {
    50: '#56727c',
    500: '#0b3d4a',
    950: '#000000',
  },
}
SCSS
$custom: #0b3d4a;
$custom-light: #56727c;
$custom-dark: #000000;
JSON
{
  "hex": "#0b3d4a",
  "rgb": {
    "r": 11,
    "g": 61,
    "b": 74
  },
  "hsl": {
    "h": 192.381,
    "s": 74.118,
    "l": 16.667
  },
  "oklch": {
    "l": 0.3348,
    "c": 0.05493,
    "h": 219.7
  },
  "luminance": 0.03903
}

Semantic roles & 50–950 ramp

primary
#0B3D4A
secondary
#863D2B
accent
#5D37F1
background
#F5F6F7
surface
#E9ECEE
border
#C5C7C9
text
#030809
muted
#787B7B

Preview Lab

Preview with #0B3D4A

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

Preview Lab → · Contrast checker → · Palette generator →

#0B3D4A Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva