#0B0447#0B0447

#0B0447 is a very dark, moderate blue. Relative luminance 0.006; OKLCH L 19.6% C 0.115 H 273.5°. Best body text is #FFFFFF at 18.71:1 contrast (WCAG AA passes).

Color values

HEX	#0B0447
RGB	rgb(11, 4, 71)
HSL	hsl(246, 89%, 15%)
HSV	hsv(246, 94%, 28%)
CMYK	cmyk(84.5%, 94.4%, 0%, 72.2%)
CIE-LAB	lab(5.54, 27.31, -39.01)
CIE-LCH	lch(5.54, 47.62, 304.99°)
OKLab	oklab(19.59% 0.007 -0.1143)
OKLCH	oklch(19.59% 0.115 273.5)
XYZ	xyz(1.3184, 0.6128, 6.0088)
Luminance	0.0061 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0B0447 #404704

analogous

#041E47 #0B0447 #2D0447

triadic

#0B0447 #470B04 #04470B

tetradic

#0B0447 #47041E #404704 #04472D

square

#0B0447 #47041E #404704 #04472D

split-complementary

#0B0447 #472D04 #1E4704

monochromatic

#04021D #04021D #0B0447 #140781 #1D0BBB

Accessibility & contrast

On white

18.71

#0B0447 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.12

#0B0447 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0B0447

18.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0B0447	#FFFFFF	#000000	##FFFFFF
##0B0447	1.00	18.71	1.12	18.71
#FFFFFF	18.71	1.00	21.00	1.00
#000000	1.12	21.00	1.00	21.00
##FFFFFF	18.71	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001549

Deuteranopia (green-blind)

#000F46

Tritanopia (blue-blind)

#001A27

Achromatopsia (no color)

#121212

Design tokens & code

CSS

--color: #0b0447;
/* rgb */ color: rgb(11, 4, 71);
/* oklch */ color: oklch(19.6% 0.115 273.5);

Tailwind

colors: {
  custom: {
    50: '#57477b',
    500: '#0b0447',
    950: '#000000',
  },
}

SCSS

$custom: #0b0447;
$custom-light: #57477b;
$custom-dark: #000000;

JSON

{
  "hex": "#0b0447",
  "rgb": {
    "r": 11,
    "g": 4,
    "b": 71
  },
  "hsl": {
    "h": 246.269,
    "s": 89.333,
    "l": 14.706
  },
  "oklch": {
    "l": 0.19593,
    "c": 0.11453,
    "h": 273.5
  },
  "luminance": 0.00613
}

Semantic roles & 50–950 ramp

primary

#0B0447

secondary

#7D881F

accent

#FF29E9

background

#F5F4F7

surface

#E9E6EE

border

#C5C2C9

text

#040009

muted

#79777B

Preview Lab

Preview with #0B0447

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

Preview Lab → · Contrast checker → · Palette generator →