#0B1849#0B1849

#0B1849 is a very dark, moderate blue. Relative luminance 0.012; OKLCH L 23.5% C 0.093 H 267.3°. Best body text is #FFFFFF at 16.92:1 contrast (WCAG AA passes).

Color values

HEX	#0B1849
RGB	rgb(11, 24, 73)
HSL	hsl(227, 74%, 16%)
HSV	hsv(227, 85%, 29%)
CMYK	cmyk(84.9%, 67.1%, 0%, 71.4%)
CIE-LAB	lab(10.60, 15.26, -32.10)
CIE-LCH	lch(10.60, 35.54, 295.43°)
OKLab	oklab(23.51% -0.0044 -0.0927)
OKLCH	oklch(23.51% 0.093 267.3)
XYZ	xyz(1.6668, 1.2053, 6.4468)
Luminance	0.0120 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0B1849 #493C0B

analogous

#0B3749 #0B1849 #1D0B49

triadic

#0B1849 #490B18 #18490B

tetradic

#0B1849 #490B37 #493C0B #0B491D

square

#0B1849 #490B37 #493C0B #0B491D

split-complementary

#0B1849 #491D0B #37490B

monochromatic

#04091B #04091B #0B1849 #13297E #1B3BB3

Accessibility & contrast

On white

16.92

#0B1849 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.24

#0B1849 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0B1849

16.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0B1849	#FFFFFF	#000000	##FFFFFF
##0B1849	1.00	16.92	1.24	16.92
#FFFFFF	16.92	1.00	21.00	1.00
#000000	1.24	21.00	1.00	21.00
##FFFFFF	16.92	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00204B

Deuteranopia (green-blind)

#001A48

Tritanopia (blue-blind)

#00252D

Achromatopsia (no color)

#1D1D1D

Design tokens & code

CSS

--color: #0b1849;
/* rgb */ color: rgb(11, 24, 73);
/* oklch */ color: oklch(23.5% 0.093 267.3);

Tailwind

colors: {
  custom: {
    50: '#56547c',
    500: '#0b1849',
    950: '#000000',
  },
}

SCSS

$custom: #0b1849;
$custom-light: #56547c;
$custom-dark: #000000;

JSON

{
  "hex": "#0b1849",
  "rgb": {
    "r": 11,
    "g": 24,
    "b": 73
  },
  "hsl": {
    "h": 227.419,
    "s": 73.81,
    "l": 16.471
  },
  "oklch": {
    "l": 0.23509,
    "c": 0.09286,
    "h": 267.3
  },
  "luminance": 0.01205
}

Semantic roles & 50–950 ramp

primary

#0B1849

secondary

#85722A

accent

#CA37F0

background

#F5F4F7

surface

#E9E7EE

border

#C5C3C9

text

#030209

muted

#78787B

Preview Lab

Preview with #0B1849

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

Preview Lab → · Contrast checker → · Palette generator →