#0B1644#0B1644

#0B1644 is a very dark, moderate blue. Relative luminance 0.011; OKLCH L 22.5% C 0.088 H 268.1°. Best body text is #FFFFFF at 17.32:1 contrast (WCAG AA passes).

Color values

HEX	#0B1644
RGB	rgb(11, 22, 68)
HSL	hsl(228, 72%, 15%)
HSV	hsv(228, 84%, 27%)
CMYK	cmyk(83.8%, 67.6%, 0%, 73.3%)
CIE-LAB	lab(9.50, 14.60, -30.39)
CIE-LCH	lch(9.50, 33.72, 295.67°)
OKLab	oklab(22.54% -0.0029 -0.0878)
OKLCH	oklch(22.54% 0.088 268.1)
XYZ	xyz(1.4679, 1.0622, 5.5954)
Luminance	0.0106 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0B1644 #44390B

analogous

#0B3244 #0B1644 #1C0B44

triadic

#0B1644 #440B16 #16440B

tetradic

#0B1644 #440B32 #44390B #0B441C

square

#0B1644 #440B32 #44390B #0B441C

split-complementary

#0B1644 #441C0B #32440B

monochromatic

#04091A #04091A #0B1644 #142779 #1C38AD

Accessibility & contrast

On white

17.32

#0B1644 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.21

#0B1644 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0B1644

17.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0B1644	#FFFFFF	#000000	##FFFFFF
##0B1644	1.00	17.32	1.21	17.32
#FFFFFF	17.32	1.00	21.00	1.00
#000000	1.21	21.00	1.00	21.00
##FFFFFF	17.32	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001D46

Deuteranopia (green-blind)

#001843

Tritanopia (blue-blind)

#00222A

Achromatopsia (no color)

#1A1A1A

Design tokens & code

CSS

--color: #0b1644;
/* rgb */ color: rgb(11, 22, 68);
/* oklch */ color: oklch(22.5% 0.088 268.1);

Tailwind

colors: {
  custom: {
    50: '#545278',
    500: '#0b1644',
    950: '#000000',
  },
}

SCSS

$custom: #0b1644;
$custom-light: #545278;
$custom-dark: #000000;

JSON

{
  "hex": "#0b1644",
  "rgb": {
    "r": 11,
    "g": 22,
    "b": 68
  },
  "hsl": {
    "h": 228.421,
    "s": 72.152,
    "l": 15.49
  },
  "oklch": {
    "l": 0.22542,
    "c": 0.08783,
    "h": 268.1
  },
  "luminance": 0.01062
}

Semantic roles & 50–950 ramp

primary

#0B1644

secondary

#81702A

accent

#CC39EF

background

#F5F4F7

surface

#E9E7ED

border

#C5C3C8

text

#030209

muted

#78787B

Preview Lab

Preview with #0B1644

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

Preview Lab → · Contrast checker → · Palette generator →