#0B0B44#0B0B44

#0B0B44 is a very dark, moderate blue. Relative luminance 0.007; OKLCH L 20.3% C 0.102 H 272.6°. Best body text is #FFFFFF at 18.33:1 contrast (WCAG AA passes).

Color values

HEX	#0B0B44
RGB	rgb(11, 11, 68)
HSL	hsl(240, 72%, 15%)
HSV	hsv(240, 84%, 27%)
CMYK	cmyk(83.8%, 83.8%, 0%, 73.3%)
CIE-LAB	lab(6.57, 22.30, -35.19)
CIE-LCH	lch(6.57, 41.66, 302.36°)
OKLab	oklab(20.35% 0.0046 -0.1023)
OKLCH	oklch(20.35% 0.102 272.6)
XYZ	xyz(1.3007, 0.7277, 5.5396)
Luminance	0.0073 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0B0B44 #44440B

analogous

#0B2744 #0B0B44 #270B44

triadic

#0B0B44 #440B0B #0B440B

tetradic

#0B0B44 #440B27 #44440B #0B4427

square

#0B0B44 #440B27 #44440B #0B4427

split-complementary

#0B0B44 #44270B #27440B

monochromatic

#04041A #04041A #0B0B44 #141479 #1C1CAD

Accessibility & contrast

On white

18.33

#0B0B44 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.15

#0B0B44 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0B0B44

18.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0B0B44	#FFFFFF	#000000	##FFFFFF
##0B0B44	1.00	18.33	1.15	18.33
#FFFFFF	18.33	1.00	21.00	1.00
#000000	1.15	21.00	1.00	21.00
##FFFFFF	18.33	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001746

Deuteranopia (green-blind)

#001243

Tritanopia (blue-blind)

#001C27

Achromatopsia (no color)

#151515

Design tokens & code

CSS

--color: #0b0b44;
/* rgb */ color: rgb(11, 11, 68);
/* oklch */ color: oklch(20.3% 0.102 272.6);

Tailwind

colors: {
  custom: {
    50: '#564b79',
    500: '#0b0b44',
    950: '#000000',
  },
}

SCSS

$custom: #0b0b44;
$custom-light: #564b79;
$custom-dark: #000000;

JSON

{
  "hex": "#0b0b44",
  "rgb": {
    "r": 11,
    "g": 11,
    "b": 68
  },
  "hsl": {
    "h": 240,
    "s": 72.152,
    "l": 15.49
  },
  "oklch": {
    "l": 0.20345,
    "c": 0.10241,
    "h": 272.6
  },
  "luminance": 0.00728
}

Semantic roles & 50–950 ramp

primary

#0B0B44

secondary

#81812A

accent

#EF39EF

background

#F5F4F7

surface

#E9E7ED

border

#C5C3C8

text

#030109

muted

#78777B

Preview Lab

Preview with #0B0B44

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

Preview Lab → · Contrast checker → · Palette generator →