#0B1948#0B1948

#0B1948 is a very dark, moderate blue. Relative luminance 0.012; OKLCH L 23.6% C 0.090 H 266.6°. Best body text is #FFFFFF at 16.84:1 contrast (WCAG AA passes).

Color values

HEX	#0B1948
RGB	rgb(11, 25, 72)
HSL	hsl(226, 73%, 16%)
HSV	hsv(226, 85%, 28%)
CMYK	cmyk(84.7%, 65.3%, 0%, 71.8%)
CIE-LAB	lab(10.81, 14.05, -31.06)
CIE-LCH	lch(10.81, 34.09, 294.34°)
OKLab	oklab(23.64% -0.0053 -0.0897)
OKLCH	oklch(23.64% 0.09 266.6)
XYZ	xyz(1.6549, 1.2341, 6.2806)
Luminance	0.0123 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0B1948 #483A0B

analogous

#0B3848 #0B1948 #1C0B48

triadic

#0B1948 #480B19 #19480B

tetradic

#0B1948 #480B38 #483A0B #0B481C

square

#0B1948 #480B38 #483A0B #0B481C

split-complementary

#0B1948 #481C0B #38480B

monochromatic

#04091B #04091B #0B1948 #132B7D #1B3EB2

Accessibility & contrast

On white

16.84

#0B1948 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.25

#0B1948 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0B1948

16.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0B1948	#FFFFFF	#000000	##FFFFFF
##0B1948	1.00	16.84	1.25	16.84
#FFFFFF	16.84	1.00	21.00	1.00
#000000	1.25	21.00	1.00	21.00
##FFFFFF	16.84	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00204A

Deuteranopia (green-blind)

#001A47

Tritanopia (blue-blind)

#00252D

Achromatopsia (no color)

#1D1D1D

Design tokens & code

CSS

--color: #0b1948;
/* rgb */ color: rgb(11, 25, 72);
/* oklch */ color: oklch(23.6% 0.090 266.6);

Tailwind

colors: {
  custom: {
    50: '#55557b',
    500: '#0b1948',
    950: '#000000',
  },
}

SCSS

$custom: #0b1948;
$custom-light: #55557b;
$custom-dark: #000000;

JSON

{
  "hex": "#0b1948",
  "rgb": {
    "r": 11,
    "g": 25,
    "b": 72
  },
  "hsl": {
    "h": 226.23,
    "s": 73.494,
    "l": 16.275
  },
  "oklch": {
    "l": 0.23636,
    "c": 0.08983,
    "h": 266.6
  },
  "luminance": 0.01234
}

Semantic roles & 50–950 ramp

primary

#0B1948

secondary

#84702A

accent

#C638F0

background

#F5F4F7

surface

#E9E7EE

border

#C5C3C9

text

#030309

muted

#78787B

Preview Lab

Preview with #0B1948

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

Preview Lab → · Contrast checker → · Palette generator →