#0B043C#0B043C

#0B043C is a very dark, moderate blue. Relative luminance 0.005; OKLCH L 18.0% C 0.100 H 276.3°. Best body text is #FFFFFF at 19.15:1 contrast (WCAG AA passes).

Color values

HEX#0B043C
RGBrgb(11, 4, 60)
HSLhsl(248, 88%, 13%)
HSVhsv(248, 93%, 24%)
CMYKcmyk(81.7%, 93.3%, 0%, 76.5%)
CIE-LABlab(4.37, 21.63, -33.06)
CIE-LCHlch(4.37, 39.51, 303.19°)
OKLaboklab(18.04% 0.011 -0.0993)
OKLCHoklch(18.04% 0.1 276.3)
XYZxyz(0.9968, 0.4841, 4.3150)
Luminance0.0048 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#0B043C #353C04
analogous
#04193C #0B043C #27043C
triadic
#0B043C #3C0B04 #043C0B
tetradic
#0B043C #3C0419 #353C04 #043C27
square
#0B043C #3C0419 #353C04 #043C27
split-complementary
#0B043C #3C2704 #193C04
monochromatic
#05021D #05021D #0B043C #160875 #200CAF

Accessibility & contrast

On white

19.15
#0B043C on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.10
#0B043C on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0B043C
19.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##0B043C#FFFFFF#000000##FFFFFF
##0B043C1.0019.151.1019.15
#FFFFFF19.151.0021.001.00
#0000001.1021.001.0021.00
##FFFFFF19.151.0021.001.00

Color blindness preview

Protanopia (red-blind)
#00113E
Deuteranopia (green-blind)
#000D3B
Tritanopia (blue-blind)
#001520
Achromatopsia (no color)
#0F0F0F

Design tokens & code

CSS
--color: #0b043c;
/* rgb */ color: rgb(11, 4, 60);
/* oklch */ color: oklch(18.0% 0.100 276.3);
Tailwind
colors: {
  custom: {
    50: '#534772',
    500: '#0b043c',
    950: '#000000',
  },
}
SCSS
$custom: #0b043c;
$custom-light: #534772;
$custom-dark: #000000;
JSON
{
  "hex": "#0b043c",
  "rgb": {
    "r": 11,
    "g": 4,
    "b": 60
  },
  "hsl": {
    "h": 247.5,
    "s": 87.5,
    "l": 12.549
  },
  "oklch": {
    "l": 0.18037,
    "c": 0.09988,
    "h": 276.3
  },
  "luminance": 0.00484
}

Semantic roles & 50–950 ramp

primary
#0B043C
secondary
#727E1E
accent
#FE2AE3
background
#F5F4F7
surface
#E9E6ED
border
#C5C2C8
text
#030008
muted
#78777B

Preview Lab

Preview with #0B043C

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

Preview Lab → · Contrast checker → · Palette generator →

#0B043C Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva