#0B1B47#0B1B47

#0B1B47 is a very dark, moderate blue. Relative luminance 0.013; OKLCH L 24.0% C 0.085 H 265.3°. Best body text is #FFFFFF at 16.64:1 contrast (WCAG AA passes).

Color values

HEX#0B1B47
RGBrgb(11, 27, 71)
HSLhsl(224, 73%, 16%)
HSVhsv(224, 85%, 28%)
CMYKcmyk(84.5%, 62%, 0%, 72.2%)
CIE-LABlab(11.34, 12.04, -29.49)
CIE-LCHlch(11.34, 31.85, 292.22°)
OKLaboklab(24.01% -0.007 -0.085)
OKLCHoklch(24.01% 0.085 265.3)
XYZxyz(1.6669, 1.3098, 6.1250)
Luminance0.0131 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#0B1B47 #47370B
analogous
#0B3947 #0B1B47 #190B47
triadic
#0B1B47 #470B1B #1B470B
tetradic
#0B1B47 #470B39 #47370B #0B4719
square
#0B1B47 #470B39 #47370B #0B4719
split-complementary
#0B1B47 #47190B #39470B
monochromatic
#040A1A #040A1A #0B1B47 #132F7C #1B43B1

Accessibility & contrast

On white

16.64
#0B1B47 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.26
#0B1B47 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0B1B47
16.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##0B1B47#FFFFFF#000000##FFFFFF
##0B1B471.0016.641.2616.64
#FFFFFF16.641.0021.001.00
#0000001.2621.001.0021.00
##FFFFFF16.641.0021.001.00

Color blindness preview

Protanopia (red-blind)
#002149
Deuteranopia (green-blind)
#001C46
Tritanopia (blue-blind)
#00262D
Achromatopsia (no color)
#1E1E1E

Design tokens & code

CSS
--color: #0b1b47;
/* rgb */ color: rgb(11, 27, 71);
/* oklch */ color: oklch(24.0% 0.085 265.3);
Tailwind
colors: {
  custom: {
    50: '#55567b',
    500: '#0b1b47',
    950: '#000000',
  },
}
SCSS
$custom: #0b1b47;
$custom-light: #55567b;
$custom-dark: #000000;
JSON
{
  "hex": "#0b1b47",
  "rgb": {
    "r": 11,
    "g": 27,
    "b": 71
  },
  "hsl": {
    "h": 224,
    "s": 73.171,
    "l": 16.078
  },
  "oklch": {
    "l": 0.2401,
    "c": 0.08532,
    "h": 265.3
  },
  "luminance": 0.0131
}

Semantic roles & 50–950 ramp

primary
#0B1B47
secondary
#836C2A
accent
#BF38F0
background
#F5F5F7
surface
#E9E9EE
border
#C5C5C9
text
#030309
muted
#78787B

Preview Lab

Preview with #0B1B47

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

Preview Lab → · Contrast checker → · Palette generator →

#0B1B47 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva