#0B1A47#0B1A47

#0B1A47 is a very dark, moderate blue. Relative luminance 0.013; OKLCH L 23.8% C 0.087 H 265.9°. Best body text is #FFFFFF at 16.76:1 contrast (WCAG AA passes).

Color values

HEX	#0B1A47
RGB	rgb(11, 26, 71)
HSL	hsl(225, 73%, 16%)
HSV	hsv(225, 85%, 28%)
CMYK	cmyk(84.5%, 63.4%, 0%, 72.2%)
CIE-LAB	lab(11.03, 12.82, -30.00)
CIE-LCH	lch(11.03, 32.63, 293.14°)
OKLab	oklab(23.77% -0.0061 -0.0866)
OKLCH	oklch(23.77% 0.087 265.9)
XYZ	xyz(1.6443, 1.2647, 6.1175)
Luminance	0.0126 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

#020035

ΔE00 5.73

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0B1A47 #47380B

analogous

#0B3847 #0B1A47 #1A0B47

triadic

#0B1A47 #470B1A #1A470B

tetradic

#0B1A47 #470B38 #47380B #0B471A

square

#0B1A47 #470B38 #47380B #0B471A

split-complementary

#0B1A47 #471A0B #38470B

monochromatic

#040A1A #040A1A #0B1A47 #132D7C #1B41B1

Accessibility & contrast

On white

16.76

#0B1A47 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.25

#0B1A47 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0B1A47

16.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0B1A47	#FFFFFF	#000000	##FFFFFF
##0B1A47	1.00	16.76	1.25	16.76
#FFFFFF	16.76	1.00	21.00	1.00
#000000	1.25	21.00	1.00	21.00
##FFFFFF	16.76	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002049

Deuteranopia (green-blind)

#001B46

Tritanopia (blue-blind)

#00252D

Achromatopsia (no color)

#1E1E1E

Design tokens & code

CSS

--color: #0b1a47;
/* rgb */ color: rgb(11, 26, 71);
/* oklch */ color: oklch(23.8% 0.087 265.9);

Tailwind

colors: {
  custom: {
    50: '#55567b',
    500: '#0b1a47',
    950: '#000000',
  },
}

SCSS

$custom: #0b1a47;
$custom-light: #55567b;
$custom-dark: #000000;

JSON

{
  "hex": "#0b1a47",
  "rgb": {
    "r": 11,
    "g": 26,
    "b": 71
  },
  "hsl": {
    "h": 225,
    "s": 73.171,
    "l": 16.078
  },
  "oklch": {
    "l": 0.23772,
    "c": 0.08679,
    "h": 265.9
  },
  "luminance": 0.01265
}

Semantic roles & 50–950 ramp

primary

#0B1A47

secondary

#836D2A

accent

#C238F0

background

#F5F4F7

surface

#E9E8EE

border

#C5C4C9

text

#030309

muted

#78787B

Preview Lab

Preview with #0B1A47

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

Preview Lab → · Contrast checker → · Palette generator →