#0B124A#0B124A

#0B124A is a very dark, moderate blue. Relative luminance 0.010; OKLCH L 22.4% C 0.103 H 269.8°. Best body text is #FFFFFF at 17.51:1 contrast (WCAG AA passes).

Color values

HEX	#0B124A
RGB	rgb(11, 18, 74)
HSL	hsl(233, 74%, 17%)
HSV	hsv(233, 85%, 29%)
CMYK	cmyk(85.1%, 75.7%, 0%, 71%)
CIE-LAB	lab(8.97, 20.22, -35.45)
CIE-LCH	lch(8.97, 40.81, 299.70°)
OKLab	oklab(22.35% -0.0003 -0.1026)
OKLCH	oklch(22.35% 0.103 269.8)
XYZ	xyz(1.5899, 0.9980, 6.5861)
Luminance	0.0100 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0B124A #4A430B

analogous

#0B324A #0B124A #240B4A

triadic

#0B124A #4A0B12 #124A0B

tetradic

#0B124A #4A0B32 #4A430B #0B4A24

square

#0B124A #4A0B32 #4A430B #0B4A24

split-complementary

#0B124A #4A240B #324A0B

monochromatic

#04061B #04061B #0B124A #131F7F #1B2CB5

Accessibility & contrast

On white

17.51

#0B124A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.20

#0B124A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0B124A

17.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0B124A	#FFFFFF	#000000	##FFFFFF
##0B124A	1.00	17.51	1.20	17.51
#FFFFFF	17.51	1.00	21.00	1.00
#000000	1.20	21.00	1.00	21.00
##FFFFFF	17.51	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001C4C

Deuteranopia (green-blind)

#001649

Tritanopia (blue-blind)

#00212C

Achromatopsia (no color)

#191919

Design tokens & code

CSS

--color: #0b124a;
/* rgb */ color: rgb(11, 18, 74);
/* oklch */ color: oklch(22.4% 0.103 269.8);

Tailwind

colors: {
  custom: {
    50: '#574f7d',
    500: '#0b124a',
    950: '#000000',
  },
}

SCSS

$custom: #0b124a;
$custom-light: #574f7d;
$custom-dark: #000000;

JSON

{
  "hex": "#0b124a",
  "rgb": {
    "r": 11,
    "g": 18,
    "b": 74
  },
  "hsl": {
    "h": 233.333,
    "s": 74.118,
    "l": 16.667
  },
  "oklch": {
    "l": 0.2235,
    "c": 0.10262,
    "h": 269.8
  },
  "luminance": 0.00998
}

Semantic roles & 50–950 ramp

primary

#0B124A

secondary

#867C2B

accent

#DC37F1

background

#F5F4F7

surface

#E9E7EE

border

#C5C3C9

text

#04020A

muted

#79787C

Preview Lab

Preview with #0B124A

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

Preview Lab → · Contrast checker → · Palette generator →