#0B143A#0B143A

#0B143A is a very dark, moderate blue. Relative luminance 0.009; OKLCH L 21.1% C 0.074 H 269.0°. Best body text is #FFFFFF at 17.87:1 contrast (WCAG AA passes).

Color values

HEX	#0B143A
RGB	rgb(11, 20, 58)
HSL	hsl(229, 68%, 14%)
HSV	hsv(229, 81%, 23%)
CMYK	cmyk(81%, 65.5%, 0%, 77.3%)
CIE-LAB	lab(7.92, 11.74, -25.85)
CIE-LCH	lch(7.92, 28.39, 294.42°)
OKLab	oklab(21.07% -0.0013 -0.0745)
OKLCH	oklch(21.07% 0.074 269)
XYZ	xyz(1.1516, 0.8768, 4.1107)
Luminance	0.0088 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0B143A #3A310B

analogous

#0B2B3A #0B143A #190B3A

triadic

#0B143A #3A0B14 #143A0B

tetradic

#0B143A #3A0B2B #3A310B #0B3A19

square

#0B143A #3A0B2B #3A310B #0B3A19

split-complementary

#0B143A #3A190B #2B3A0B

monochromatic

#05091A #05091A #0B143A #15266D #1F37A1

Accessibility & contrast

On white

17.87

#0B143A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.18

#0B143A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0B143A

17.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0B143A	#FFFFFF	#000000	##FFFFFF
##0B143A	1.00	17.87	1.18	17.87
#FFFFFF	17.87	1.00	21.00	1.00
#000000	1.18	21.00	1.00	21.00
##FFFFFF	17.87	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001A3B

Deuteranopia (green-blind)

#001539

Tritanopia (blue-blind)

#001D24

Achromatopsia (no color)

#171717

Design tokens & code

CSS

--color: #0b143a;
/* rgb */ color: rgb(11, 20, 58);
/* oklch */ color: oklch(21.1% 0.074 269.0);

Tailwind

colors: {
  custom: {
    50: '#525170',
    500: '#0b143a',
    950: '#000000',
  },
}

SCSS

$custom: #0b143a;
$custom-light: #525170;
$custom-dark: #000000;

JSON

{
  "hex": "#0b143a",
  "rgb": {
    "r": 11,
    "g": 20,
    "b": 58
  },
  "hsl": {
    "h": 228.511,
    "s": 68.116,
    "l": 13.529
  },
  "oklch": {
    "l": 0.21066,
    "c": 0.07448,
    "h": 269
  },
  "luminance": 0.00877
}

Semantic roles & 50–950 ramp

primary

#0B143A

secondary

#77682A

accent

#CA3DEB

background

#F4F4F6

surface

#E7E7EC

border

#C3C3C7

text

#020207

muted

#78787A

Preview Lab

Preview with #0B143A

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

Preview Lab → · Contrast checker → · Palette generator →