#0B143D#0B143D

#0B143D is a very dark, moderate blue. Relative luminance 0.009; OKLCH L 21.4% C 0.079 H 269.1°. Best body text is #FFFFFF at 17.77:1 contrast (WCAG AA passes).

Color values

HEX	#0B143D
RGB	rgb(11, 20, 61)
HSL	hsl(229, 69%, 14%)
HSV	hsv(229, 82%, 24%)
CMYK	cmyk(82%, 67.2%, 0%, 76.1%)
CIE-LAB	lab(8.20, 13.07, -27.54)
CIE-LCH	lch(8.20, 30.49, 295.39°)
OKLab	oklab(21.37% -0.0012 -0.0795)
OKLCH	oklch(21.37% 0.079 269.1)
XYZ	xyz(1.2302, 0.9083, 4.5245)
Luminance	0.0091 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0B143D #3D340B

analogous

#0B2D3D #0B143D #1B0B3D

triadic

#0B143D #3D0B14 #143D0B

tetradic

#0B143D #3D0B2D #3D340B #0B3D1B

square

#0B143D #3D0B2D #3D340B #0B3D1B

split-complementary

#0B143D #3D1B0B #2D3D0B

monochromatic

#05091A #05091A #0B143D #142571 #1E36A5

Accessibility & contrast

On white

17.77

#0B143D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.18

#0B143D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0B143D

17.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0B143D	#FFFFFF	#000000	##FFFFFF
##0B143D	1.00	17.77	1.18	17.77
#FFFFFF	17.77	1.00	21.00	1.00
#000000	1.18	21.00	1.00	21.00
##FFFFFF	17.77	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001A3E

Deuteranopia (green-blind)

#00163C

Tritanopia (blue-blind)

#001E26

Achromatopsia (no color)

#181818

Design tokens & code

CSS

--color: #0b143d;
/* rgb */ color: rgb(11, 20, 61);
/* oklch */ color: oklch(21.4% 0.079 269.1);

Tailwind

colors: {
  custom: {
    50: '#525173',
    500: '#0b143d',
    950: '#000000',
  },
}

SCSS

$custom: #0b143d;
$custom-light: #525173;
$custom-dark: #000000;

JSON

{
  "hex": "#0b143d",
  "rgb": {
    "r": 11,
    "g": 20,
    "b": 61
  },
  "hsl": {
    "h": 229.2,
    "s": 69.444,
    "l": 14.118
  },
  "oklch": {
    "l": 0.21365,
    "c": 0.07946,
    "h": 269.1
  },
  "luminance": 0.00908
}

Semantic roles & 50–950 ramp

primary

#0B143D

secondary

#7A6B2A

accent

#CC3CEC

background

#F4F4F7

surface

#E7E7ED

border

#C3C3C8

text

#030208

muted

#78787B

Preview Lab

Preview with #0B143D

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

Preview Lab → · Contrast checker → · Palette generator →