#0B0841#0B0841

#0B0841 is a very dark, moderate blue. Relative luminance 0.006; OKLCH L 19.5% C 0.102 H 273.9°. Best body text is #FFFFFF at 18.66:1 contrast (WCAG AA passes).

Color values

HEX	#0B0841
RGB	rgb(11, 8, 65)
HSL	hsl(243, 78%, 14%)
HSV	hsv(243, 88%, 25%)
CMYK	cmyk(83.1%, 87.7%, 0%, 74.5%)
CIE-LAB	lab(5.66, 22.38, -34.56)
CIE-LCH	lch(5.66, 41.17, 302.93°)
OKLab	oklab(19.46% 0.0069 -0.1013)
OKLCH	oklch(19.46% 0.102 273.9)
XYZ	xyz(1.1787, 0.6263, 5.0588)
Luminance	0.0063 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0B0841 #3E4108

analogous

#082241 #0B0841 #280841

triadic

#0B0841 #410B08 #08410B

tetradic

#0B0841 #410822 #3E4108 #084128

square

#0B0841 #410822 #3E4108 #084128

split-complementary

#0B0841 #412808 #224108

monochromatic

#05031B #05031B #0B0841 #140F77 #1D15AE

Accessibility & contrast

On white

18.66

#0B0841 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.13

#0B0841 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0B0841

18.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0B0841	#FFFFFF	#000000	##FFFFFF
##0B0841	1.00	18.66	1.13	18.66
#FFFFFF	18.66	1.00	21.00	1.00
#000000	1.13	21.00	1.00	21.00
##FFFFFF	18.66	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001543

Deuteranopia (green-blind)

#001040

Tritanopia (blue-blind)

#001924

Achromatopsia (no color)

#121212

Design tokens & code

CSS

--color: #0b0841;
/* rgb */ color: rgb(11, 8, 65);
/* oklch */ color: oklch(19.5% 0.102 273.9);

Tailwind

colors: {
  custom: {
    50: '#554976',
    500: '#0b0841',
    950: '#000000',
  },
}

SCSS

$custom: #0b0841;
$custom-light: #554976;
$custom-dark: #000000;

JSON

{
  "hex": "#0b0841",
  "rgb": {
    "r": 11,
    "g": 8,
    "b": 65
  },
  "hsl": {
    "h": 243.158,
    "s": 78.082,
    "l": 14.314
  },
  "oklch": {
    "l": 0.19458,
    "c": 0.10158,
    "h": 273.9
  },
  "luminance": 0.00626
}

Semantic roles & 50–950 ramp

primary

#0B0841

secondary

#7B7F25

accent

#F533EA

background

#F5F4F7

surface

#E9E6ED

border

#C5C2C8

text

#030108

muted

#78777B

Preview Lab

Preview with #0B0841

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

Preview Lab → · Contrast checker → · Palette generator →