#0B0B3E#0B0B3E

#0B0B3E is a very dark, moderate blue. Relative luminance 0.007; OKLCH L 19.6% C 0.094 H 273.6°. Best body text is #FFFFFF at 18.56:1 contrast (WCAG AA passes).

Color values

HEX	#0B0B3E
RGB	rgb(11, 11, 62)
HSL	hsl(240, 70%, 14%)
HSV	hsv(240, 82%, 24%)
CMYK	cmyk(82.3%, 82.3%, 0%, 75.7%)
CIE-LAB	lab(5.95, 19.42, -31.94)
CIE-LCH	lch(5.95, 37.38, 301.30°)
OKLab	oklab(19.6% 0.0058 -0.0934)
OKLCH	oklch(19.6% 0.094 273.6)
XYZ	xyz(1.1269, 0.6582, 4.6241)
Luminance	0.0066 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0B0B3E #3E3E0B

analogous

#0B253E #0B0B3E #250B3E

triadic

#0B0B3E #3E0B0B #0B3E0B

tetradic

#0B0B3E #3E0B25 #3E3E0B #0B3E25

square

#0B0B3E #3E0B25 #3E3E0B #0B3E25

split-complementary

#0B0B3E #3E250B #253E0B

monochromatic

#05051A #05051A #0B0B3E #141472 #1D1DA6

Accessibility & contrast

On white

18.56

#0B0B3E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.13

#0B0B3E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0B0B3E

18.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0B0B3E	#FFFFFF	#000000	##FFFFFF
##0B0B3E	1.00	18.56	1.13	18.56
#FFFFFF	18.56	1.00	21.00	1.00
#000000	1.13	21.00	1.00	21.00
##FFFFFF	18.56	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001640

Deuteranopia (green-blind)

#00113D

Tritanopia (blue-blind)

#001923

Achromatopsia (no color)

#131313

Design tokens & code

CSS

--color: #0b0b3e;
/* rgb */ color: rgb(11, 11, 62);
/* oklch */ color: oklch(19.6% 0.094 273.6);

Tailwind

colors: {
  custom: {
    50: '#534b74',
    500: '#0b0b3e',
    950: '#000000',
  },
}

SCSS

$custom: #0b0b3e;
$custom-light: #534b74;
$custom-dark: #000000;

JSON

{
  "hex": "#0b0b3e",
  "rgb": {
    "r": 11,
    "g": 11,
    "b": 62
  },
  "hsl": {
    "h": 240,
    "s": 69.863,
    "l": 14.314
  },
  "oklch": {
    "l": 0.19598,
    "c": 0.0936,
    "h": 273.6
  },
  "luminance": 0.00658
}

Semantic roles & 50–950 ramp

primary

#0B0B3E

secondary

#7B7B2A

accent

#ED3BED

background

#F5F4F7

surface

#E9E7ED

border

#C5C3C8

text

#030108

muted

#78777B

Preview Lab

Preview with #0B0B3E

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

Preview Lab → · Contrast checker → · Palette generator →