#0B1D47#0B1D47

#0B1D47 is a very dark, moderate blue. Relative luminance 0.014; OKLCH L 24.5% C 0.082 H 263.9°. Best body text is #FFFFFF at 16.39:1 contrast (WCAG AA passes).

Color values

HEX#0B1D47
RGBrgb(11, 29, 71)
HSLhsl(222, 73%, 16%)
HSVhsv(222, 85%, 28%)
CMYKcmyk(84.5%, 59.2%, 0%, 72.2%)
CIE-LABlab(11.99, 10.49, -28.44)
CIE-LCHlch(11.99, 30.31, 290.24°)
OKLaboklab(24.5% -0.0088 -0.0819)
OKLCHoklch(24.5% 0.082 263.9)
XYZxyz(1.7143, 1.4046, 6.1408)
Luminance0.0140 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#0B1D47 #47350B
analogous
#0B3B47 #0B1D47 #170B47
triadic
#0B1D47 #470B1D #1D470B
tetradic
#0B1D47 #470B3B #47350B #0B4717
square
#0B1D47 #470B3B #47350B #0B4717
split-complementary
#0B1D47 #47170B #3B470B
monochromatic
#040B1A #040B1A #0B1D47 #13337C #1B48B1

Accessibility & contrast

On white

16.39
#0B1D47 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.28
#0B1D47 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0B1D47
16.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##0B1D47#FFFFFF#000000##FFFFFF
##0B1D471.0016.391.2816.39
#FFFFFF16.391.0021.001.00
#0000001.2821.001.0021.00
##FFFFFF16.391.0021.001.00

Color blindness preview

Protanopia (red-blind)
#022248
Deuteranopia (green-blind)
#001D46
Tritanopia (blue-blind)
#00272E
Achromatopsia (no color)
#1F1F1F

Design tokens & code

CSS
--color: #0b1d47;
/* rgb */ color: rgb(11, 29, 71);
/* oklch */ color: oklch(24.5% 0.082 263.9);
Tailwind
colors: {
  custom: {
    50: '#55587b',
    500: '#0b1d47',
    950: '#000000',
  },
}
SCSS
$custom: #0b1d47;
$custom-light: #55587b;
$custom-dark: #000000;
JSON
{
  "hex": "#0b1d47",
  "rgb": {
    "r": 11,
    "g": 29,
    "b": 71
  },
  "hsl": {
    "h": 222,
    "s": 73.171,
    "l": 16.078
  },
  "oklch": {
    "l": 0.24498,
    "c": 0.08239,
    "h": 263.9
  },
  "luminance": 0.01405
}

Semantic roles & 50–950 ramp

primary
#0B1D47
secondary
#83692A
accent
#B938F0
background
#F5F5F7
surface
#E9E9EE
border
#C5C5C9
text
#030309
muted
#78787B

Preview Lab

Preview with #0B1D47

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

Preview Lab → · Contrast checker → · Palette generator →

#0B1D47 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva