#0C184D#0C184D

#0C184D is a very dark, moderate blue. Relative luminance 0.013; OKLCH L 24.0% C 0.099 H 268.0°. Best body text is #FFFFFF at 16.75:1 contrast (WCAG AA passes).

Color values

HEX	#0C184D
RGB	rgb(12, 24, 77)
HSL	hsl(229, 73%, 17%)
HSV	hsv(229, 84%, 30%)
CMYK	cmyk(84.4%, 68.8%, 0%, 69.8%)
CIE-LAB	lab(11.04, 17.14, -34.13)
CIE-LCH	lch(11.04, 38.19, 296.66°)
OKLab	oklab(23.98% -0.0035 -0.0987)
OKLCH	oklch(23.98% 0.099 268)
XYZ	xyz(1.8173, 1.2670, 7.1685)
Luminance	0.0127 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0C184D #4D410C

analogous

#0C394D #0C184D #200C4D

triadic

#0C184D #4D0C18 #184D0C

tetradic

#0C184D #4D0C39 #4D410C #0C4D20

square

#0C184D #4D0C39 #4D410C #0C4D20

split-complementary

#0C184D #4D200C #394D0C

monochromatic

#04081A #04081A #0C184D #142982 #1D39B7

Accessibility & contrast

On white

16.75

#0C184D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.25

#0C184D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0C184D

16.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0C184D	#FFFFFF	#000000	##FFFFFF
##0C184D	1.00	16.75	1.25	16.75
#FFFFFF	16.75	1.00	21.00	1.00
#000000	1.25	21.00	1.00	21.00
##FFFFFF	16.75	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00214F

Deuteranopia (green-blind)

#001B4C

Tritanopia (blue-blind)

#00262F

Achromatopsia (no color)

#1E1E1E

Design tokens & code

CSS

--color: #0c184d;
/* rgb */ color: rgb(12, 24, 77);
/* oklch */ color: oklch(24.0% 0.099 268.0);

Tailwind

colors: {
  custom: {
    50: '#57547f',
    500: '#0c184d',
    950: '#000000',
  },
}

SCSS

$custom: #0c184d;
$custom-light: #57547f;
$custom-dark: #000000;

JSON

{
  "hex": "#0c184d",
  "rgb": {
    "r": 12,
    "g": 24,
    "b": 77
  },
  "hsl": {
    "h": 228.923,
    "s": 73.034,
    "l": 17.451
  },
  "oklch": {
    "l": 0.23977,
    "c": 0.09875,
    "h": 268
  },
  "luminance": 0.01267
}

Semantic roles & 50–950 ramp

primary

#0C184D

secondary

#89782C

accent

#CE38F0

background

#F5F4F7

surface

#E9E7EE

border

#C5C3C9

text

#04020A

muted

#79787C

Preview Lab

Preview with #0C184D

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

Preview Lab → · Contrast checker → · Palette generator →