#0B133F#0B133F

#0B133F is a very dark, moderate blue. Relative luminance 0.009; OKLCH L 21.3% C 0.084 H 269.8°. Best body text is #FFFFFF at 17.81:1 contrast (WCAG AA passes).

Color values

HEX#0B133F
RGBrgb(11, 19, 63)
HSLhsl(231, 70%, 15%)
HSVhsv(231, 83%, 25%)
CMYKcmyk(82.5%, 69.8%, 0%, 75.3%)
CIE-LABlab(8.09, 14.74, -29.16)
CIE-LCHlch(8.09, 32.67, 296.83°)
OKLaboklab(21.34% -0.0003 -0.0842)
OKLCHoklch(21.34% 0.084 269.8)
XYZxyz(1.2678, 0.8956, 4.8077)
Luminance0.0090 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#0B133F #3F370B
analogous
#0B2D3F #0B133F #1D0B3F
triadic
#0B133F #3F0B13 #133F0B
tetradic
#0B133F #3F0B2D #3F370B #0B3F1D
square
#0B133F #3F0B2D #3F370B #0B3F1D
split-complementary
#0B133F #3F1D0B #2D3F0B
monochromatic
#05081A #05081A #0B133F #142373 #1D32A7

Accessibility & contrast

On white

17.81
#0B133F on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.18
#0B133F on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0B133F
17.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##0B133F#FFFFFF#000000##FFFFFF
##0B133F1.0017.811.1817.81
#FFFFFF17.811.0021.001.00
#0000001.1821.001.0021.00
##FFFFFF17.811.0021.001.00

Color blindness preview

Protanopia (red-blind)
#001A40
Deuteranopia (green-blind)
#00153E
Tritanopia (blue-blind)
#001E26
Achromatopsia (no color)
#181818

Design tokens & code

CSS
--color: #0b133f;
/* rgb */ color: rgb(11, 19, 63);
/* oklch */ color: oklch(21.3% 0.084 269.8);
Tailwind
colors: {
  custom: {
    50: '#535074',
    500: '#0b133f',
    950: '#000000',
  },
}
SCSS
$custom: #0b133f;
$custom-light: #535074;
$custom-dark: #000000;
JSON
{
  "hex": "#0b133f",
  "rgb": {
    "r": 11,
    "g": 19,
    "b": 63
  },
  "hsl": {
    "h": 230.769,
    "s": 70.27,
    "l": 14.51
  },
  "oklch": {
    "l": 0.21343,
    "c": 0.08419,
    "h": 269.8
  },
  "luminance": 0.00896
}

Semantic roles & 50–950 ramp

primary
#0B133F
secondary
#7C6F2A
accent
#D23BED
background
#F5F4F7
surface
#E9E7ED
border
#C5C3C8
text
#030208
muted
#78787B

Preview Lab

Preview with #0B133F

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

Preview Lab → · Contrast checker → · Palette generator →

#0B133F Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva