#0B143C#0B143C

#0B143C is a very dark, moderate blue. Relative luminance 0.009; OKLCH L 21.3% C 0.078 H 269.1°. Best body text is #FFFFFF at 17.80:1 contrast (WCAG AA passes).

Color values

HEX	#0B143C
RGB	rgb(11, 20, 60)
HSL	hsl(229, 69%, 14%)
HSV	hsv(229, 82%, 24%)
CMYK	cmyk(81.7%, 66.7%, 0%, 76.5%)
CIE-LAB	lab(8.11, 12.63, -26.98)
CIE-LCH	lch(8.11, 29.79, 295.08°)
OKLab	oklab(21.26% -0.0012 -0.0778)
OKLCH	oklch(21.26% 0.078 269.1)
XYZ	xyz(1.2035, 0.8976, 4.3839)
Luminance	0.0090 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0B143C #3C330B

analogous

#0B2D3C #0B143C #1B0B3C

triadic

#0B143C #3C0B14 #143C0B

tetradic

#0B143C #3C0B2D #3C330B #0B3C1B

square

#0B143C #3C0B2D #3C330B #0B3C1B

split-complementary

#0B143C #3C1B0B #2D3C0B

monochromatic

#05091A #05091A #0B143C #142570 #1E36A3

Accessibility & contrast

On white

17.80

#0B143C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.18

#0B143C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0B143C

17.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0B143C	#FFFFFF	#000000	##FFFFFF
##0B143C	1.00	17.80	1.18	17.80
#FFFFFF	17.80	1.00	21.00	1.00
#000000	1.18	21.00	1.00	21.00
##FFFFFF	17.80	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001A3D

Deuteranopia (green-blind)

#00163B

Tritanopia (blue-blind)

#001E25

Achromatopsia (no color)

#181818

Design tokens & code

CSS

--color: #0b143c;
/* rgb */ color: rgb(11, 20, 60);
/* oklch */ color: oklch(21.3% 0.078 269.1);

Tailwind

colors: {
  custom: {
    50: '#525172',
    500: '#0b143c',
    950: '#000000',
  },
}

SCSS

$custom: #0b143c;
$custom-light: #525172;
$custom-dark: #000000;

JSON

{
  "hex": "#0b143c",
  "rgb": {
    "r": 11,
    "g": 20,
    "b": 60
  },
  "hsl": {
    "h": 228.98,
    "s": 69.014,
    "l": 13.922
  },
  "oklch": {
    "l": 0.21264,
    "c": 0.07781,
    "h": 269.1
  },
  "luminance": 0.00898
}

Semantic roles & 50–950 ramp

primary

#0B143C

secondary

#796A2A

accent

#CC3CEC

background

#F4F4F6

surface

#E7E7EC

border

#C3C3C7

text

#030208

muted

#78787B

Preview Lab

Preview with #0B143C

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

Preview Lab → · Contrast checker → · Palette generator →