#0B1933#0B1933

#0B1933 is a very dark, muted blue. Relative luminance 0.010; OKLCH L 21.7% C 0.055 H 261.6°. Best body text is #FFFFFF at 17.49:1 contrast (WCAG AA passes).

Color values

HEX#0B1933
RGBrgb(11, 25, 51)
HSLhsl(219, 65%, 12%)
HSVhsv(219, 78%, 20%)
CMYKcmyk(78.4%, 51%, 0%, 80%)
CIE-LABlab(9.04, 4.60, -18.99)
CIE-LCHlch(9.04, 19.54, 283.62°)
OKLaboklab(21.73% -0.008 -0.0542)
OKLCHoklch(21.73% 0.055 261.6)
XYZxyz(1.0830, 1.0053, 3.2683)
Luminance0.0100 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#0B1933 #33250B
analogous
#0B2D33 #0B1933 #110B33
triadic
#0B1933 #330B19 #19330B
tetradic
#0B1933 #330B2D #33250B #0B3311
square
#0B1933 #330B2D #33250B #0B3311
split-complementary
#0B1933 #33110B #2D330B
monochromatic
#050C19 #050C19 #0B1933 #163265 #214A98

Accessibility & contrast

On white

17.49
#0B1933 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.20
#0B1933 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0B1933
17.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##0B1933#FFFFFF#000000##FFFFFF
##0B19331.0017.491.2017.49
#FFFFFF17.491.0021.001.00
#0000001.2021.001.0021.00
##FFFFFF17.491.0021.001.00

Color blindness preview

Protanopia (red-blind)
#0D1C34
Deuteranopia (green-blind)
#071832
Tritanopia (blue-blind)
#001F23
Achromatopsia (no color)
#1A1A1A

Design tokens & code

CSS
--color: #0b1933;
/* rgb */ color: rgb(11, 25, 51);
/* oklch */ color: oklch(21.7% 0.055 261.6);
Tailwind
colors: {
  custom: {
    50: '#4f556b',
    500: '#0b1933',
    950: '#000000',
  },
}
SCSS
$custom: #0b1933;
$custom-light: #4f556b;
$custom-dark: #000000;
JSON
{
  "hex": "#0b1933",
  "rgb": {
    "r": 11,
    "g": 25,
    "b": 51
  },
  "hsl": {
    "h": 219,
    "s": 64.516,
    "l": 12.157
  },
  "oklch": {
    "l": 0.2173,
    "c": 0.05478,
    "h": 261.6
  },
  "luminance": 0.01005
}

Semantic roles & 50–950 ramp

primary
#0B1933
secondary
#70572A
accent
#AD40E8
background
#F4F4F6
surface
#E7E7EB
border
#C3C3C6
text
#020206
muted
#78787A

Preview Lab

Preview with #0B1933

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

Preview Lab → · Contrast checker → · Palette generator →

#0B1933 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva