#0B1348#0B1348

#0B1348 is a very dark, moderate blue. Relative luminance 0.010; OKLCH L 22.3% C 0.098 H 269.5°. Best body text is #FFFFFF at 17.49:1 contrast (WCAG AA passes).

Color values

HEX	#0B1348
RGB	rgb(11, 19, 72)
HSL	hsl(232, 73%, 16%)
HSV	hsv(232, 85%, 28%)
CMYK	cmyk(84.7%, 73.6%, 0%, 71.8%)
CIE-LAB	lab(9.03, 18.64, -33.96)
CIE-LCH	lch(9.03, 38.74, 298.76°)
OKLab	oklab(22.32% -0.0008 -0.0983)
OKLCH	oklch(22.32% 0.098 269.5)
XYZ	xyz(1.5402, 1.0046, 6.2424)
Luminance	0.0100 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0B1348 #48400B

analogous

#0B3248 #0B1348 #220B48

triadic

#0B1348 #480B13 #13480B

tetradic

#0B1348 #480B32 #48400B #0B4822

square

#0B1348 #480B32 #48400B #0B4822

split-complementary

#0B1348 #48220B #32480B

monochromatic

#04071B #04071B #0B1348 #13217D #1B2FB2

Accessibility & contrast

On white

17.49

#0B1348 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.20

#0B1348 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0B1348

17.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0B1348	#FFFFFF	#000000	##FFFFFF
##0B1348	1.00	17.49	1.20	17.49
#FFFFFF	17.49	1.00	21.00	1.00
#000000	1.20	21.00	1.00	21.00
##FFFFFF	17.49	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001C4A

Deuteranopia (green-blind)

#001747

Tritanopia (blue-blind)

#00212B

Achromatopsia (no color)

#1A1A1A

Design tokens & code

CSS

--color: #0b1348;
/* rgb */ color: rgb(11, 19, 72);
/* oklch */ color: oklch(22.3% 0.098 269.5);

Tailwind

colors: {
  custom: {
    50: '#56507c',
    500: '#0b1348',
    950: '#000000',
  },
}

SCSS

$custom: #0b1348;
$custom-light: #56507c;
$custom-dark: #000000;

JSON

{
  "hex": "#0b1348",
  "rgb": {
    "r": 11,
    "g": 19,
    "b": 72
  },
  "hsl": {
    "h": 232.131,
    "s": 73.494,
    "l": 16.275
  },
  "oklch": {
    "l": 0.22323,
    "c": 0.09827,
    "h": 269.5
  },
  "luminance": 0.01005
}

Semantic roles & 50–950 ramp

primary

#0B1348

secondary

#84792A

accent

#D838F0

background

#F5F4F7

surface

#E9E7EE

border

#C5C3C9

text

#030209

muted

#78787B

Preview Lab

Preview with #0B1348

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

Preview Lab → · Contrast checker → · Palette generator →