#0B143B#0B143B

#0B143B is a very dark, moderate blue. Relative luminance 0.009; OKLCH L 21.2% C 0.076 H 269.0°. Best body text is #FFFFFF at 17.84:1 contrast (WCAG AA passes).

Color values

HEX	#0B143B
RGB	rgb(11, 20, 59)
HSL	hsl(229, 69%, 14%)
HSV	hsv(229, 81%, 23%)
CMYK	cmyk(81.4%, 66.1%, 0%, 76.9%)
CIE-LAB	lab(8.01, 12.18, -26.42)
CIE-LCH	lch(8.01, 29.09, 294.76°)
OKLab	oklab(21.17% -0.0013 -0.0761)
OKLCH	oklch(21.17% 0.076 269)
XYZ	xyz(1.1773, 0.8871, 4.2460)
Luminance	0.0089 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0B143B #3B320B

analogous

#0B2C3B #0B143B #1A0B3B

triadic

#0B143B #3B0B14 #143B0B

tetradic

#0B143B #3B0B2C #3B320B #0B3B1A

square

#0B143B #3B0B2C #3B320B #0B3B1A

split-complementary

#0B143B #3B1A0B #2C3B0B

monochromatic

#05091A #05091A #0B143B #15256F #1E37A2

Accessibility & contrast

On white

17.84

#0B143B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.18

#0B143B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0B143B

17.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0B143B	#FFFFFF	#000000	##FFFFFF
##0B143B	1.00	17.84	1.18	17.84
#FFFFFF	17.84	1.00	21.00	1.00
#000000	1.18	21.00	1.00	21.00
##FFFFFF	17.84	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001A3C

Deuteranopia (green-blind)

#00153A

Tritanopia (blue-blind)

#001E25

Achromatopsia (no color)

#181818

Design tokens & code

CSS

--color: #0b143b;
/* rgb */ color: rgb(11, 20, 59);
/* oklch */ color: oklch(21.2% 0.076 269.0);

Tailwind

colors: {
  custom: {
    50: '#525171',
    500: '#0b143b',
    950: '#000000',
  },
}

SCSS

$custom: #0b143b;
$custom-light: #525171;
$custom-dark: #000000;

JSON

{
  "hex": "#0b143b",
  "rgb": {
    "r": 11,
    "g": 20,
    "b": 59
  },
  "hsl": {
    "h": 228.75,
    "s": 68.571,
    "l": 13.725
  },
  "oklch": {
    "l": 0.21165,
    "c": 0.07615,
    "h": 269
  },
  "luminance": 0.00887
}

Semantic roles & 50–950 ramp

primary

#0B143B

secondary

#78692A

accent

#CB3CEB

background

#F4F4F6

surface

#E7E7EC

border

#C3C3C7

text

#020208

muted

#78787B

Preview Lab

Preview with #0B143B

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

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