#0B144E#0B144E

#0B144E is a very dark, moderate blue. Relative luminance 0.011; OKLCH L 23.2% C 0.106 H 268.9°. Best body text is #FFFFFF at 17.15:1 contrast (WCAG AA passes).

Color values

HEX	#0B144E
RGB	rgb(11, 20, 78)
HSL	hsl(232, 75%, 17%)
HSV	hsv(232, 86%, 31%)
CMYK	cmyk(85.9%, 74.4%, 0%, 69.4%)
CIE-LAB	lab(9.96, 20.44, -36.59)
CIE-LCH	lch(9.96, 41.92, 299.18°)
OKLab	oklab(23.2% -0.0019 -0.1059)
OKLCH	oklch(23.2% 0.106 268.9)
XYZ	xyz(1.7628, 1.1213, 7.3298)
Luminance	0.0112 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0B144E #4E450B

analogous

#0B364E #0B144E #230B4E

triadic

#0B144E #4E0B14 #144E0B

tetradic

#0B144E #4E0B36 #4E450B #0B4E23

square

#0B144E #4E0B36 #4E450B #0B4E23

split-complementary

#0B144E #4E230B #364E0B

monochromatic

#04071B #04071B #0B144E #132284 #1A30B9

Accessibility & contrast

On white

17.15

#0B144E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.22

#0B144E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0B144E

17.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0B144E	#FFFFFF	#000000	##FFFFFF
##0B144E	1.00	17.15	1.22	17.15
#FFFFFF	17.15	1.00	21.00	1.00
#000000	1.22	21.00	1.00	21.00
##FFFFFF	17.15	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001F50

Deuteranopia (green-blind)

#00184D

Tritanopia (blue-blind)

#00242F

Achromatopsia (no color)

#1B1B1B

Design tokens & code

CSS

--color: #0b144e;
/* rgb */ color: rgb(11, 20, 78);
/* oklch */ color: oklch(23.2% 0.106 268.9);

Tailwind

colors: {
  custom: {
    50: '#585180',
    500: '#0b144e',
    950: '#000000',
  },
}

SCSS

$custom: #0b144e;
$custom-light: #585180;
$custom-dark: #000000;

JSON

{
  "hex": "#0b144e",
  "rgb": {
    "r": 11,
    "g": 20,
    "b": 78
  },
  "hsl": {
    "h": 231.94,
    "s": 75.281,
    "l": 17.451
  },
  "oklch": {
    "l": 0.23204,
    "c": 0.10597,
    "h": 268.9
  },
  "luminance": 0.01122
}

Semantic roles & 50–950 ramp

primary

#0B144E

secondary

#8A7D2B

accent

#D936F2

background

#F5F4F7

surface

#E9E7EE

border

#C5C3C9

text

#04020A

muted

#79787C

Preview Lab

Preview with #0B144E

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

Preview Lab → · Contrast checker → · Palette generator →