#0B1C48#0B1C48

#0B1C48 is a very dark, moderate blue. Relative luminance 0.014; OKLCH L 24.3% C 0.085 H 264.8°. Best body text is #FFFFFF at 16.48:1 contrast (WCAG AA passes).

Color values

HEX#0B1C48
RGBrgb(11, 28, 72)
HSLhsl(223, 73%, 16%)
HSVhsv(223, 85%, 28%)
CMYKcmyk(84.7%, 61.1%, 0%, 71.8%)
CIE-LABlab(11.75, 11.72, -29.52)
CIE-LCHlch(11.75, 31.76, 291.65°)
OKLaboklab(24.35% -0.0078 -0.0851)
OKLCHoklch(24.35% 0.085 264.8)
XYZxyz(1.7226, 1.3693, 6.3032)
Luminance0.0137 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#0B1C48 #48370B
analogous
#0B3B48 #0B1C48 #190B48
triadic
#0B1C48 #480B1C #1C480B
tetradic
#0B1C48 #480B3B #48370B #0B4819
square
#0B1C48 #480B3B #48370B #0B4819
split-complementary
#0B1C48 #48190B #3B480B
monochromatic
#040A1B #040A1B #0B1C48 #13317D #1B45B2

Accessibility & contrast

On white

16.48
#0B1C48 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.27
#0B1C48 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0B1C48
16.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##0B1C48#FFFFFF#000000##FFFFFF
##0B1C481.0016.481.2716.48
#FFFFFF16.481.0021.001.00
#0000001.2721.001.0021.00
##FFFFFF16.481.0021.001.00

Color blindness preview

Protanopia (red-blind)
#00224A
Deuteranopia (green-blind)
#001C47
Tritanopia (blue-blind)
#00272E
Achromatopsia (no color)
#1F1F1F

Design tokens & code

CSS
--color: #0b1c48;
/* rgb */ color: rgb(11, 28, 72);
/* oklch */ color: oklch(24.3% 0.085 264.8);
Tailwind
colors: {
  custom: {
    50: '#55577b',
    500: '#0b1c48',
    950: '#000000',
  },
}
SCSS
$custom: #0b1c48;
$custom-light: #55577b;
$custom-dark: #000000;
JSON
{
  "hex": "#0b1c48",
  "rgb": {
    "r": 11,
    "g": 28,
    "b": 72
  },
  "hsl": {
    "h": 223.279,
    "s": 73.494,
    "l": 16.275
  },
  "oklch": {
    "l": 0.24346,
    "c": 0.08547,
    "h": 264.8
  },
  "luminance": 0.0137
}

Semantic roles & 50–950 ramp

primary
#0B1C48
secondary
#846B2A
accent
#BD38F0
background
#F5F5F7
surface
#E9E9EE
border
#C5C5C9
text
#030309
muted
#78787B

Preview Lab

Preview with #0B1C48

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

Preview Lab → · Contrast checker → · Palette generator →

#0B1C48 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva