#0B1E47#0B1E47

#0B1E47 is a very dark, moderate blue. Relative luminance 0.015; OKLCH L 24.7% C 0.081 H 263.1°. Best body text is #FFFFFF at 16.27:1 contrast (WCAG AA passes).

Color values

HEX	#0B1E47
RGB	rgb(11, 30, 71)
HSL	hsl(221, 73%, 16%)
HSV	hsv(221, 85%, 28%)
CMYK	cmyk(84.5%, 57.7%, 0%, 72.2%)
CIE-LAB	lab(12.32, 9.71, -27.91)
CIE-LCH	lch(12.32, 29.55, 289.18°)
OKLab	oklab(24.75% -0.0097 -0.0803)
OKLCH	oklch(24.75% 0.081 263.1)
XYZ	xyz(1.7392, 1.4544, 6.1491)
Luminance	0.0146 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0B1E47 #47340B

analogous

#0B3C47 #0B1E47 #160B47

triadic

#0B1E47 #470B1E #1E470B

tetradic

#0B1E47 #470B3C #47340B #0B4716

square

#0B1E47 #470B3C #47340B #0B4716

split-complementary

#0B1E47 #47160B #3C470B

monochromatic

#040B1A #040B1A #0B1E47 #13347C #1B4BB1

Accessibility & contrast

On white

16.27

#0B1E47 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.29

#0B1E47 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0B1E47

16.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0B1E47	#FFFFFF	#000000	##FFFFFF
##0B1E47	1.00	16.27	1.29	16.27
#FFFFFF	16.27	1.00	21.00	1.00
#000000	1.29	21.00	1.00	21.00
##FFFFFF	16.27	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#042348

Deuteranopia (green-blind)

#001E46

Tritanopia (blue-blind)

#00282F

Achromatopsia (no color)

#202020

Design tokens & code

CSS

--color: #0b1e47;
/* rgb */ color: rgb(11, 30, 71);
/* oklch */ color: oklch(24.7% 0.081 263.1);

Tailwind

colors: {
  custom: {
    50: '#55597a',
    500: '#0b1e47',
    950: '#000000',
  },
}

SCSS

$custom: #0b1e47;
$custom-light: #55597a;
$custom-dark: #000000;

JSON

{
  "hex": "#0b1e47",
  "rgb": {
    "r": 11,
    "g": 30,
    "b": 71
  },
  "hsl": {
    "h": 221,
    "s": 73.171,
    "l": 16.078
  },
  "oklch": {
    "l": 0.24746,
    "c": 0.08093,
    "h": 263.1
  },
  "luminance": 0.01455
}

Semantic roles & 50–950 ramp

primary

#0B1E47

secondary

#83672A

accent

#B638F0

background

#F5F5F7

surface

#E9E9ED

border

#C5C5C8

text

#030309

muted

#78787B

Preview Lab

Preview with #0B1E47

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

Preview Lab → · Contrast checker → · Palette generator →