#0B1144#0B1144

#0B1144 is a very dark, moderate blue. Relative luminance 0.009; OKLCH L 21.5% C 0.095 H 270.6°. Best body text is #FFFFFF at 17.83:1 contrast (WCAG AA passes).

Color values

HEX	#0B1144
RGB	rgb(11, 17, 68)
HSL	hsl(234, 72%, 15%)
HSV	hsv(234, 84%, 27%)
CMYK	cmyk(83.8%, 75%, 0%, 73.3%)
CIE-LAB	lab(8.03, 18.43, -32.79)
CIE-LCH	lch(8.03, 37.62, 299.34°)
OKLab	oklab(21.46% 0.0009 -0.0949)
OKLCH	oklch(21.46% 0.095 270.6)
XYZ	xyz(1.3815, 0.8893, 5.5666)
Luminance	0.0089 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Navy Blue (survey)

#001146

ΔE00 1.52

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0B1144 #443E0B

analogous

#0B2D44 #0B1144 #210B44

triadic

#0B1144 #440B11 #11440B

tetradic

#0B1144 #440B2D #443E0B #0B4421

square

#0B1144 #440B2D #443E0B #0B4421

split-complementary

#0B1144 #44210B #2D440B

monochromatic

#04071A #04071A #0B1144 #141E79 #1C2BAD

Accessibility & contrast

On white

17.83

#0B1144 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.18

#0B1144 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0B1144

17.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0B1144	#FFFFFF	#000000	##FFFFFF
##0B1144	1.00	17.83	1.18	17.83
#FFFFFF	17.83	1.00	21.00	1.00
#000000	1.18	21.00	1.00	21.00
##FFFFFF	17.83	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001A46

Deuteranopia (green-blind)

#001543

Tritanopia (blue-blind)

#001F28

Achromatopsia (no color)

#181818

Design tokens & code

CSS

--color: #0b1144;
/* rgb */ color: rgb(11, 17, 68);
/* oklch */ color: oklch(21.5% 0.095 270.6);

Tailwind

colors: {
  custom: {
    50: '#554e78',
    500: '#0b1144',
    950: '#000000',
  },
}

SCSS

$custom: #0b1144;
$custom-light: #554e78;
$custom-dark: #000000;

JSON

{
  "hex": "#0b1144",
  "rgb": {
    "r": 11,
    "g": 17,
    "b": 68
  },
  "hsl": {
    "h": 233.684,
    "s": 72.152,
    "l": 15.49
  },
  "oklch": {
    "l": 0.21462,
    "c": 0.09486,
    "h": 270.6
  },
  "luminance": 0.00889
}

Semantic roles & 50–950 ramp

primary

#0B1144

secondary

#81772A

accent

#DC39EF

background

#F5F4F7

surface

#E9E7ED

border

#C5C3C8

text

#030109

muted

#78777B

Preview Lab

Preview with #0B1144

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

Preview Lab → · Contrast checker → · Palette generator →