#0B1447#0B1447

#0B1447 is a very dark, moderate blue. Relative luminance 0.010; OKLCH L 22.4% C 0.095 H 269.1°. Best body text is #FFFFFF at 17.42:1 contrast (WCAG AA passes).

Color values

HEX	#0B1447
RGB	rgb(11, 20, 71)
HSL	hsl(231, 73%, 16%)
HSV	hsv(231, 85%, 28%)
CMYK	cmyk(84.5%, 71.8%, 0%, 72.2%)
CIE-LAB	lab(9.21, 17.46, -32.97)
CIE-LCH	lch(9.21, 37.31, 297.90°)
OKLab	oklab(22.42% -0.0014 -0.0954)
OKLCH	oklch(22.42% 0.095 269.1)
XYZ	xyz(1.5251, 1.0262, 6.0777)
Luminance	0.0103 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0B1447 #473E0B

analogous

#0B3247 #0B1447 #200B47

triadic

#0B1447 #470B14 #14470B

tetradic

#0B1447 #470B32 #473E0B #0B4720

square

#0B1447 #470B32 #473E0B #0B4720

split-complementary

#0B1447 #47200B #32470B

monochromatic

#04071A #04071A #0B1447 #13237C #1B32B1

Accessibility & contrast

On white

17.42

#0B1447 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.21

#0B1447 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0B1447

17.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0B1447	#FFFFFF	#000000	##FFFFFF
##0B1447	1.00	17.42	1.21	17.42
#FFFFFF	17.42	1.00	21.00	1.00
#000000	1.21	21.00	1.00	21.00
##FFFFFF	17.42	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001D49

Deuteranopia (green-blind)

#001746

Tritanopia (blue-blind)

#00212B

Achromatopsia (no color)

#1A1A1A

Design tokens & code

CSS

--color: #0b1447;
/* rgb */ color: rgb(11, 20, 71);
/* oklch */ color: oklch(22.4% 0.095 269.1);

Tailwind

colors: {
  custom: {
    50: '#56517b',
    500: '#0b1447',
    950: '#000000',
  },
}

SCSS

$custom: #0b1447;
$custom-light: #56517b;
$custom-dark: #000000;

JSON

{
  "hex": "#0b1447",
  "rgb": {
    "r": 11,
    "g": 20,
    "b": 71
  },
  "hsl": {
    "h": 231,
    "s": 73.171,
    "l": 16.078
  },
  "oklch": {
    "l": 0.22421,
    "c": 0.09537,
    "h": 269.1
  },
  "luminance": 0.01026
}

Semantic roles & 50–950 ramp

primary

#0B1447

secondary

#83762A

accent

#D438F0

background

#F5F4F7

surface

#E9E7EE

border

#C5C3C9

text

#030209

muted

#78787B

Preview Lab

Preview with #0B1447

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

Preview Lab → · Contrast checker → · Palette generator →