#0B0B41#0B0B41

#0B0B41 is a very dark, moderate blue. Relative luminance 0.007; OKLCH L 20.0% C 0.098 H 273.1°. Best body text is #FFFFFF at 18.45:1 contrast (WCAG AA passes).

Color values

HEX	#0B0B41
RGB	rgb(11, 11, 65)
HSL	hsl(240, 71%, 15%)
HSV	hsv(240, 83%, 25%)
CMYK	cmyk(83.1%, 83.1%, 0%, 74.5%)
CIE-LAB	lab(6.25, 20.89, -33.59)
CIE-LCH	lch(6.25, 39.55, 301.88°)
OKLab	oklab(19.97% 0.0052 -0.0979)
OKLCH	oklch(19.97% 0.098 273.1)
XYZ	xyz(1.2115, 0.6920, 5.0697)
Luminance	0.0069 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Navy Blue (survey)

#001146

ΔE00 2.64

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0B0B41 #41410B

analogous

#0B2641 #0B0B41 #260B41

triadic

#0B0B41 #410B0B #0B410B

tetradic

#0B0B41 #410B26 #41410B #0B4126

square

#0B0B41 #410B26 #41410B #0B4126

split-complementary

#0B0B41 #41260B #26410B

monochromatic

#04041A #04041A #0B0B41 #141475 #1D1DAA

Accessibility & contrast

On white

18.45

#0B0B41 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.14

#0B0B41 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0B0B41

18.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0B0B41	#FFFFFF	#000000	##FFFFFF
##0B0B41	1.00	18.45	1.14	18.45
#FFFFFF	18.45	1.00	21.00	1.00
#000000	1.14	21.00	1.00	21.00
##FFFFFF	18.45	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001643

Deuteranopia (green-blind)

#001140

Tritanopia (blue-blind)

#001B25

Achromatopsia (no color)

#141414

Design tokens & code

CSS

--color: #0b0b41;
/* rgb */ color: rgb(11, 11, 65);
/* oklch */ color: oklch(20.0% 0.098 273.1);

Tailwind

colors: {
  custom: {
    50: '#544b76',
    500: '#0b0b41',
    950: '#000000',
  },
}

SCSS

$custom: #0b0b41;
$custom-light: #544b76;
$custom-dark: #000000;

JSON

{
  "hex": "#0b0b41",
  "rgb": {
    "r": 11,
    "g": 11,
    "b": 65
  },
  "hsl": {
    "h": 240,
    "s": 71.053,
    "l": 14.902
  },
  "oklch": {
    "l": 0.19969,
    "c": 0.09805,
    "h": 273.1
  },
  "luminance": 0.00692
}

Semantic roles & 50–950 ramp

primary

#0B0B41

secondary

#7E7E2A

accent

#EE3AEE

background

#F5F4F7

surface

#E9E7ED

border

#C5C3C8

text

#030108

muted

#78777B

Preview Lab

Preview with #0B0B41

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

Preview Lab → · Contrast checker → · Palette generator →