#0C184E#0C184E

#0C184E is a very dark, moderate blue. Relative luminance 0.013; OKLCH L 24.1% C 0.100 H 268.0°. Best body text is #FFFFFF at 16.72:1 contrast (WCAG AA passes).

Color values

HEX	#0C184E
RGB	rgb(12, 24, 78)
HSL	hsl(229, 73%, 18%)
HSV	hsv(229, 85%, 31%)
CMYK	cmyk(84.6%, 69.2%, 0%, 69.4%)
CIE-LAB	lab(11.14, 17.57, -34.66)
CIE-LCH	lch(11.14, 38.85, 296.88°)
OKLab	oklab(24.08% -0.0035 -0.1002)
OKLCH	oklch(24.08% 0.1 268)
XYZ	xyz(1.8529, 1.2813, 7.3559)
Luminance	0.0128 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0C184E #4E420C

analogous

#0C394E #0C184E #210C4E

triadic

#0C184E #4E0C18 #184E0C

tetradic

#0C184E #4E0C39 #4E420C #0C4E21

square

#0C184E #4E0C39 #4E420C #0C4E21

split-complementary

#0C184E #4E210C #394E0C

monochromatic

#04081B #04081B #0C184E #142883 #1C39B8

Accessibility & contrast

On white

16.72

#0C184E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.26

#0C184E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0C184E

16.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0C184E	#FFFFFF	#000000	##FFFFFF
##0C184E	1.00	16.72	1.26	16.72
#FFFFFF	16.72	1.00	21.00	1.00
#000000	1.26	21.00	1.00	21.00
##FFFFFF	16.72	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002150

Deuteranopia (green-blind)

#001B4D

Tritanopia (blue-blind)

#002630

Achromatopsia (no color)

#1E1E1E

Design tokens & code

CSS

--color: #0c184e;
/* rgb */ color: rgb(12, 24, 78);
/* oklch */ color: oklch(24.1% 0.100 268.0);

Tailwind

colors: {
  custom: {
    50: '#585480',
    500: '#0c184e',
    950: '#000000',
  },
}

SCSS

$custom: #0c184e;
$custom-light: #585480;
$custom-dark: #000000;

JSON

{
  "hex": "#0c184e",
  "rgb": {
    "r": 12,
    "g": 24,
    "b": 78
  },
  "hsl": {
    "h": 229.091,
    "s": 73.333,
    "l": 17.647
  },
  "oklch": {
    "l": 0.24083,
    "c": 0.10029,
    "h": 268
  },
  "luminance": 0.01281
}

Semantic roles & 50–950 ramp

primary

#0C184E

secondary

#8A792C

accent

#CF38F0

background

#F5F4F7

surface

#E9E7EE

border

#C5C3C9

text

#04020A

muted

#79787C

Preview Lab

Preview with #0C184E

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

Preview Lab → · Contrast checker → · Palette generator →