#0B143F#0B143F

#0B143F is a very dark, moderate blue. Relative luminance 0.009; OKLCH L 21.6% C 0.083 H 269.2°. Best body text is #FFFFFF at 17.71:1 contrast (WCAG AA passes).

Color values

HEX	#0B143F
RGB	rgb(11, 20, 63)
HSL	hsl(230, 70%, 15%)
HSV	hsv(230, 83%, 25%)
CMYK	cmyk(82.5%, 68.3%, 0%, 75.3%)
CIE-LAB	lab(8.40, 13.96, -28.66)
CIE-LCH	lch(8.40, 31.88, 295.98°)
OKLab	oklab(21.57% -0.0012 -0.0827)
OKLCH	oklch(21.57% 0.083 269.2)
XYZ	xyz(1.2851, 0.9302, 4.8135)
Luminance	0.0093 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0B143F #3F360B

analogous

#0B2E3F #0B143F #1C0B3F

triadic

#0B143F #3F0B14 #143F0B

tetradic

#0B143F #3F0B2E #3F360B #0B3F1C

square

#0B143F #3F0B2E #3F360B #0B3F1C

split-complementary

#0B143F #3F1C0B #2E3F0B

monochromatic

#05081A #05081A #0B143F #142573 #1D35A7

Accessibility & contrast

On white

17.71

#0B143F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.19

#0B143F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0B143F

17.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0B143F	#FFFFFF	#000000	##FFFFFF
##0B143F	1.00	17.71	1.19	17.71
#FFFFFF	17.71	1.00	21.00	1.00
#000000	1.19	21.00	1.00	21.00
##FFFFFF	17.71	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001B40

Deuteranopia (green-blind)

#00163E

Tritanopia (blue-blind)

#001F27

Achromatopsia (no color)

#181818

Design tokens & code

CSS

--color: #0b143f;
/* rgb */ color: rgb(11, 20, 63);
/* oklch */ color: oklch(21.6% 0.083 269.2);

Tailwind

colors: {
  custom: {
    50: '#535174',
    500: '#0b143f',
    950: '#000000',
  },
}

SCSS

$custom: #0b143f;
$custom-light: #535174;
$custom-dark: #000000;

JSON

{
  "hex": "#0b143f",
  "rgb": {
    "r": 11,
    "g": 20,
    "b": 63
  },
  "hsl": {
    "h": 229.615,
    "s": 70.27,
    "l": 14.51
  },
  "oklch": {
    "l": 0.2157,
    "c": 0.08272,
    "h": 269.2
  },
  "luminance": 0.0093
}

Semantic roles & 50–950 ramp

primary

#0B143F

secondary

#7C6E2A

accent

#CE3BED

background

#F5F4F7

surface

#E8E7ED

border

#C4C3C8

text

#030208

muted

#78787B

Preview Lab

Preview with #0B143F

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

Preview Lab → · Contrast checker → · Palette generator →