#0B0A43#0B0A43

#0B0A43 is a very dark, moderate blue. Relative luminance 0.007; OKLCH L 20.1% C 0.102 H 273.0°. Best body text is #FFFFFF at 18.44:1 contrast (WCAG AA passes).

Color values

HEX	#0B0A43
RGB	rgb(11, 10, 67)
HSL	hsl(241, 74%, 15%)
HSV	hsv(241, 85%, 26%)
CMYK	cmyk(83.6%, 85.1%, 0%, 73.7%)
CIE-LAB	lab(6.26, 22.35, -34.99)
CIE-LCH	lch(6.26, 41.52, 302.57°)
OKLab	oklab(20.05% 0.0053 -0.102)
OKLCH	oklch(20.05% 0.102 273)
XYZ	xyz(1.2593, 0.6933, 5.3766)
Luminance	0.0069 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0B0A43 #42430A

analogous

#0A2543 #0B0A43 #280A43

triadic

#0B0A43 #430B0A #0A430B

tetradic

#0B0A43 #430A25 #42430A #0A4328

square

#0B0A43 #430A25 #42430A #0A4328

split-complementary

#0B0A43 #43280A #25430A

monochromatic

#04041B #04041B #0B0A43 #141278 #1C1AAE

Accessibility & contrast

On white

18.44

#0B0A43 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.14

#0B0A43 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0B0A43

18.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0B0A43	#FFFFFF	#000000	##FFFFFF
##0B0A43	1.00	18.44	1.14	18.44
#FFFFFF	18.44	1.00	21.00	1.00
#000000	1.14	21.00	1.00	21.00
##FFFFFF	18.44	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001745

Deuteranopia (green-blind)

#001142

Tritanopia (blue-blind)

#001B26

Achromatopsia (no color)

#141414

Design tokens & code

CSS

--color: #0b0a43;
/* rgb */ color: rgb(11, 10, 67);
/* oklch */ color: oklch(20.1% 0.102 273.0);

Tailwind

colors: {
  custom: {
    50: '#554a78',
    500: '#0b0a43',
    950: '#000000',
  },
}

SCSS

$custom: #0b0a43;
$custom-light: #554a78;
$custom-dark: #000000;

JSON

{
  "hex": "#0b0a43",
  "rgb": {
    "r": 11,
    "g": 10,
    "b": 67
  },
  "hsl": {
    "h": 241.053,
    "s": 74.026,
    "l": 15.098
  },
  "oklch": {
    "l": 0.20053,
    "c": 0.10211,
    "h": 273
  },
  "luminance": 0.00693
}

Semantic roles & 50–950 ramp

primary

#0B0A43

secondary

#7F8029

accent

#F137ED

background

#F5F4F7

surface

#E9E7ED

border

#C5C3C8

text

#030109

muted

#78777B

Preview Lab

Preview with #0B0A43

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

Preview Lab → · Contrast checker → · Palette generator →