#0B0A42#0B0A42

#0B0A42 is a very dark, moderate blue. Relative luminance 0.007; OKLCH L 19.9% C 0.101 H 273.2°. Best body text is #FFFFFF at 18.48:1 contrast (WCAG AA passes).

Color values

HEX	#0B0A42
RGB	rgb(11, 10, 66)
HSL	hsl(241, 74%, 15%)
HSV	hsv(241, 85%, 26%)
CMYK	cmyk(83.3%, 84.8%, 0%, 74.1%)
CIE-LAB	lab(6.16, 21.88, -34.45)
CIE-LCH	lch(6.16, 40.81, 302.41°)
OKLab	oklab(19.93% 0.0056 -0.1005)
OKLCH	oklch(19.93% 0.101 273.2)
XYZ	xyz(1.2296, 0.6815, 5.2199)
Luminance	0.0068 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0B0A42 #41420A

analogous

#0A2542 #0B0A42 #270A42

triadic

#0B0A42 #420B0A #0A420B

tetradic

#0B0A42 #420A25 #41420A #0A4227

square

#0B0A42 #420A25 #41420A #0A4227

split-complementary

#0B0A42 #42270A #25420A

monochromatic

#04041B #04041B #0B0A42 #141277 #1D1AAC

Accessibility & contrast

On white

18.48

#0B0A42 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.14

#0B0A42 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0B0A42

18.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0B0A42	#FFFFFF	#000000	##FFFFFF
##0B0A42	1.00	18.48	1.14	18.48
#FFFFFF	18.48	1.00	21.00	1.00
#000000	1.14	21.00	1.00	21.00
##FFFFFF	18.48	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001644

Deuteranopia (green-blind)

#001141

Tritanopia (blue-blind)

#001A25

Achromatopsia (no color)

#141414

Design tokens & code

CSS

--color: #0b0a42;
/* rgb */ color: rgb(11, 10, 66);
/* oklch */ color: oklch(19.9% 0.101 273.2);

Tailwind

colors: {
  custom: {
    50: '#554a77',
    500: '#0b0a42',
    950: '#000000',
  },
}

SCSS

$custom: #0b0a42;
$custom-light: #554a77;
$custom-dark: #000000;

JSON

{
  "hex": "#0b0a42",
  "rgb": {
    "r": 11,
    "g": 10,
    "b": 66
  },
  "hsl": {
    "h": 241.071,
    "s": 73.684,
    "l": 14.902
  },
  "oklch": {
    "l": 0.19926,
    "c": 0.10066,
    "h": 273.2
  },
  "luminance": 0.00682
}

Semantic roles & 50–950 ramp

primary

#0B0A42

secondary

#7E7F29

accent

#F037ED

background

#F5F4F7

surface

#E9E7ED

border

#C5C3C8

text

#030109

muted

#78777B

Preview Lab

Preview with #0B0A42

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

Preview Lab → · Contrast checker → · Palette generator →