#0B2143#0B2143

#0B2143 is a dark, moderate blue. Relative luminance 0.016; OKLCH L 25.2% C 0.070 H 259.0°. Best body text is #FFFFFF at 16.00:1 contrast (WCAG AA passes).

Color values

HEX#0B2143
RGBrgb(11, 33, 67)
HSLhsl(216, 72%, 15%)
HSVhsv(216, 84%, 26%)
CMYKcmyk(83.6%, 50.7%, 0%, 73.7%)
CIE-LABlab(13.01, 5.58, -24.01)
CIE-LCHlch(13.01, 24.65, 283.09°)
OKLaboklab(25.18% -0.0134 -0.0688)
OKLCHoklch(25.18% 0.07 259)
XYZxyz(1.6946, 1.5639, 5.5217)
Luminance0.0156 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#0B2143 #432D0B
analogous
#0B3D43 #0B2143 #110B43
triadic
#0B2143 #430B21 #21430B
tetradic
#0B2143 #430B3D #432D0B #0B4311
square
#0B2143 #430B3D #432D0B #0B4311
split-complementary
#0B2143 #43110B #3D430B
monochromatic
#040D1A #040D1A #0B2143 #143B78 #1C55AC

Accessibility & contrast

On white

16.00
#0B2143 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.31
#0B2143 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0B2143
16.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##0B2143#FFFFFF#000000##FFFFFF
##0B21431.0016.001.3116.00
#FFFFFF16.001.0021.001.00
#0000001.3121.001.0021.00
##FFFFFF16.001.0021.001.00

Color blindness preview

Protanopia (red-blind)
#102444
Deuteranopia (green-blind)
#051F42
Tritanopia (blue-blind)
#00292E
Achromatopsia (no color)
#222222

Design tokens & code

CSS
--color: #0b2143;
/* rgb */ color: rgb(11, 33, 67);
/* oklch */ color: oklch(25.2% 0.070 259.0);
Tailwind
colors: {
  custom: {
    50: '#535b77',
    500: '#0b2143',
    950: '#000000',
  },
}
SCSS
$custom: #0b2143;
$custom-light: #535b77;
$custom-dark: #000000;
JSON
{
  "hex": "#0b2143",
  "rgb": {
    "r": 11,
    "g": 33,
    "b": 67
  },
  "hsl": {
    "h": 216.429,
    "s": 71.795,
    "l": 15.294
  },
  "oklch": {
    "l": 0.25177,
    "c": 0.07009,
    "h": 259
  },
  "luminance": 0.01564
}

Semantic roles & 50–950 ramp

primary
#0B2143
secondary
#805E2A
accent
#A739EF
background
#F5F5F7
surface
#E9E9ED
border
#C5C5C8
text
#030408
muted
#78797B

Preview Lab

Preview with #0B2143

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

Preview Lab → · Contrast checker → · Palette generator →

#0B2143 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva