#0B1449#0B1449

#0B1449 is a very dark, moderate blue. Relative luminance 0.011; OKLCH L 22.6% C 0.098 H 269.1°. Best body text is #FFFFFF at 17.35:1 contrast (WCAG AA passes).

Color values

HEX	#0B1449
RGB	rgb(11, 20, 73)
HSL	hsl(231, 74%, 16%)
HSV	hsv(231, 85%, 29%)
CMYK	cmyk(84.9%, 72.6%, 0%, 71.4%)
CIE-LAB	lab(9.42, 18.32, -34.02)
CIE-LCH	lch(9.42, 38.64, 298.30°)
OKLab	oklab(22.64% -0.0015 -0.0984)
OKLCH	oklch(22.64% 0.098 269.1)
XYZ	xyz(1.5904, 1.0523, 6.4213)
Luminance	0.0105 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0B1449 #49400B

analogous

#0B3349 #0B1449 #210B49

triadic

#0B1449 #490B14 #14490B

tetradic

#0B1449 #490B33 #49400B #0B4921

square

#0B1449 #490B33 #49400B #0B4921

split-complementary

#0B1449 #49210B #33490B

monochromatic

#04071B #04071B #0B1449 #13237E #1B31B3

Accessibility & contrast

On white

17.35

#0B1449 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.21

#0B1449 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0B1449

17.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0B1449	#FFFFFF	#000000	##FFFFFF
##0B1449	1.00	17.35	1.21	17.35
#FFFFFF	17.35	1.00	21.00	1.00
#000000	1.21	21.00	1.00	21.00
##FFFFFF	17.35	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001D4B

Deuteranopia (green-blind)

#001748

Tritanopia (blue-blind)

#00222C

Achromatopsia (no color)

#1A1A1A

Design tokens & code

CSS

--color: #0b1449;
/* rgb */ color: rgb(11, 20, 73);
/* oklch */ color: oklch(22.6% 0.098 269.1);

Tailwind

colors: {
  custom: {
    50: '#56517c',
    500: '#0b1449',
    950: '#000000',
  },
}

SCSS

$custom: #0b1449;
$custom-light: #56517c;
$custom-dark: #000000;

JSON

{
  "hex": "#0b1449",
  "rgb": {
    "r": 11,
    "g": 20,
    "b": 73
  },
  "hsl": {
    "h": 231.29,
    "s": 73.81,
    "l": 16.471
  },
  "oklch": {
    "l": 0.22641,
    "c": 0.09844,
    "h": 269.1
  },
  "luminance": 0.01052
}

Semantic roles & 50–950 ramp

primary

#0B1449

secondary

#85782A

accent

#D637F0

background

#F5F4F7

surface

#E9E7EE

border

#C5C3C9

text

#030209

muted

#78787B

Preview Lab

Preview with #0B1449

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

Preview Lab → · Contrast checker → · Palette generator →