#0B1643#0B1643

#0B1643 is a very dark, moderate blue. Relative luminance 0.011; OKLCH L 22.4% C 0.086 H 268.1°. Best body text is #FFFFFF at 17.36:1 contrast (WCAG AA passes).

Color values

HEX	#0B1643
RGB	rgb(11, 22, 67)
HSL	hsl(228, 72%, 15%)
HSV	hsv(228, 84%, 26%)
CMYK	cmyk(83.6%, 67.2%, 0%, 73.7%)
CIE-LAB	lab(9.40, 14.16, -29.85)
CIE-LCH	lch(9.40, 33.04, 295.39°)
OKLab	oklab(22.44% -0.0029 -0.0862)
OKLCH	oklch(22.44% 0.086 268.1)
XYZ	xyz(1.4377, 1.0501, 5.4360)
Luminance	0.0105 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0B1643 #43380B

analogous

#0B3243 #0B1643 #1C0B43

triadic

#0B1643 #430B16 #16430B

tetradic

#0B1643 #430B32 #43380B #0B431C

square

#0B1643 #430B32 #43380B #0B431C

split-complementary

#0B1643 #431C0B #32430B

monochromatic

#04091A #04091A #0B1643 #142778 #1C39AC

Accessibility & contrast

On white

17.36

#0B1643 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.21

#0B1643 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0B1643

17.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0B1643	#FFFFFF	#000000	##FFFFFF
##0B1643	1.00	17.36	1.21	17.36
#FFFFFF	17.36	1.00	21.00	1.00
#000000	1.21	21.00	1.00	21.00
##FFFFFF	17.36	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001D44

Deuteranopia (green-blind)

#001842

Tritanopia (blue-blind)

#002129

Achromatopsia (no color)

#1A1A1A

Design tokens & code

CSS

--color: #0b1643;
/* rgb */ color: rgb(11, 22, 67);
/* oklch */ color: oklch(22.4% 0.086 268.1);

Tailwind

colors: {
  custom: {
    50: '#545278',
    500: '#0b1643',
    950: '#000000',
  },
}

SCSS

$custom: #0b1643;
$custom-light: #545278;
$custom-dark: #000000;

JSON

{
  "hex": "#0b1643",
  "rgb": {
    "r": 11,
    "g": 22,
    "b": 67
  },
  "hsl": {
    "h": 228.214,
    "s": 71.795,
    "l": 15.294
  },
  "oklch": {
    "l": 0.22439,
    "c": 0.08623,
    "h": 268.1
  },
  "luminance": 0.0105
}

Semantic roles & 50–950 ramp

primary

#0B1643

secondary

#806F2A

accent

#CB39EF

background

#F5F4F7

surface

#E9E7ED

border

#C5C3C8

text

#030209

muted

#78787B

Preview Lab

Preview with #0B1643

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

Preview Lab → · Contrast checker → · Palette generator →