#0B1147#0B1147

#0B1147 is a very dark, moderate blue. Relative luminance 0.009; OKLCH L 21.8% C 0.099 H 270.3°. Best body text is #FFFFFF at 17.72:1 contrast (WCAG AA passes).

Color values

HEX	#0B1147
RGB	rgb(11, 17, 71)
HSL	hsl(234, 73%, 16%)
HSV	hsv(234, 85%, 28%)
CMYK	cmyk(84.5%, 76.1%, 0%, 72.2%)
CIE-LAB	lab(8.37, 19.70, -34.35)
CIE-LCH	lch(8.37, 39.60, 299.83°)
OKLab	oklab(21.81% 0.0006 -0.0994)
OKLCH	oklch(21.81% 0.099 270.3)
XYZ	xyz(1.4754, 0.9268, 6.0611)
Luminance	0.0093 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Navy Blue (survey)

#001146

ΔE00 1.47

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0B1147 #47410B

analogous

#0B2F47 #0B1147 #230B47

triadic

#0B1147 #470B11 #11470B

tetradic

#0B1147 #470B2F #47410B #0B4723

square

#0B1147 #470B2F #47410B #0B4723

split-complementary

#0B1147 #47230B #2F470B

monochromatic

#04061A #04061A #0B1147 #131E7C #1B2AB1

Accessibility & contrast

On white

17.72

#0B1147 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.19

#0B1147 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0B1147

17.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0B1147	#FFFFFF	#000000	##FFFFFF
##0B1147	1.00	17.72	1.19	17.72
#FFFFFF	17.72	1.00	21.00	1.00
#000000	1.19	21.00	1.00	21.00
##FFFFFF	17.72	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001B49

Deuteranopia (green-blind)

#001546

Tritanopia (blue-blind)

#00202A

Achromatopsia (no color)

#181818

Design tokens & code

CSS

--color: #0b1147;
/* rgb */ color: rgb(11, 17, 71);
/* oklch */ color: oklch(21.8% 0.099 270.3);

Tailwind

colors: {
  custom: {
    50: '#564f7b',
    500: '#0b1147',
    950: '#000000',
  },
}

SCSS

$custom: #0b1147;
$custom-light: #564f7b;
$custom-dark: #000000;

JSON

{
  "hex": "#0b1147",
  "rgb": {
    "r": 11,
    "g": 17,
    "b": 71
  },
  "hsl": {
    "h": 234,
    "s": 73.171,
    "l": 16.078
  },
  "oklch": {
    "l": 0.21806,
    "c": 0.09942,
    "h": 270.3
  },
  "luminance": 0.00927
}

Semantic roles & 50–950 ramp

primary

#0B1147

secondary

#837B2A

accent

#DD38F0

background

#F5F4F7

surface

#E9E7EE

border

#C5C3C9

text

#030109

muted

#78777B

Preview Lab

Preview with #0B1147

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

Preview Lab → · Contrast checker → · Palette generator →