#0B1E4A#0B1E4A

#0B1E4A is a dark, moderate blue. Relative luminance 0.015; OKLCH L 25.0% C 0.086 H 263.7°. Best body text is #FFFFFF at 16.17:1 contrast (WCAG AA passes).

Color values

HEX#0B1E4A
RGBrgb(11, 30, 74)
HSLhsl(222, 74%, 17%)
HSVhsv(222, 85%, 29%)
CMYKcmyk(85.1%, 59.5%, 0%, 71%)
CIE-LABlab(12.57, 11.06, -29.58)
CIE-LCHlch(12.57, 31.58, 290.50°)
OKLaboklab(25.02% -0.0094 -0.0852)
OKLCHoklch(25.02% 0.086 263.7)
XYZxyz(1.8379, 1.4939, 6.6687)
Luminance0.0149 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#0B1E4A #4A370B
analogous
#0B3E4A #0B1E4A #180B4A
triadic
#0B1E4A #4A0B1E #1E4A0B
tetradic
#0B1E4A #4A0B3E #4A370B #0B4A18
square
#0B1E4A #4A0B3E #4A370B #0B4A18
split-complementary
#0B1E4A #4A180B #3E4A0B
monochromatic
#040B1B #040B1B #0B1E4A #13347F #1B49B5

Accessibility & contrast

On white

16.17
#0B1E4A on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.30
#0B1E4A on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0B1E4A
16.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##0B1E4A#FFFFFF#000000##FFFFFF
##0B1E4A1.0016.171.3016.17
#FFFFFF16.171.0021.001.00
#0000001.3021.001.0021.00
##FFFFFF16.171.0021.001.00

Color blindness preview

Protanopia (red-blind)
#00244C
Deuteranopia (green-blind)
#001E49
Tritanopia (blue-blind)
#002930
Achromatopsia (no color)
#212121

Design tokens & code

CSS
--color: #0b1e4a;
/* rgb */ color: rgb(11, 30, 74);
/* oklch */ color: oklch(25.0% 0.086 263.7);
Tailwind
colors: {
  custom: {
    50: '#55597d',
    500: '#0b1e4a',
    950: '#000000',
  },
}
SCSS
$custom: #0b1e4a;
$custom-light: #55597d;
$custom-dark: #000000;
JSON
{
  "hex": "#0b1e4a",
  "rgb": {
    "r": 11,
    "g": 30,
    "b": 74
  },
  "hsl": {
    "h": 221.905,
    "s": 74.118,
    "l": 16.667
  },
  "oklch": {
    "l": 0.2502,
    "c": 0.08575,
    "h": 263.7
  },
  "luminance": 0.01494
}

Semantic roles & 50–950 ramp

primary
#0B1E4A
secondary
#866B2B
accent
#B937F1
background
#F5F5F7
surface
#E9E9EE
border
#C5C5C9
text
#030309
muted
#78787B

Preview Lab

Preview with #0B1E4A

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

Preview Lab → · Contrast checker → · Palette generator →

#0B1E4A Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva