#0D184D#0D184D

#0D184D is a very dark, moderate blue. Relative luminance 0.013; OKLCH L 24.0% C 0.098 H 268.6°. Best body text is #FFFFFF at 16.73:1 contrast (WCAG AA passes).

Color values

HEX	#0D184D
RGB	rgb(13, 24, 77)
HSL	hsl(230, 71%, 18%)
HSV	hsv(230, 83%, 30%)
CMYK	cmyk(83.1%, 68.8%, 0%, 69.8%)
CIE-LAB	lab(11.10, 17.26, -34.04)
CIE-LCH	lch(11.10, 38.17, 296.88°)
OKLab	oklab(24.03% -0.0024 -0.0984)
OKLCH	oklch(24.03% 0.098 268.6)
XYZ	xyz(1.8317, 1.2745, 7.1692)
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

#0D184D #4D420D

analogous

#0D384D #0D184D #220D4D

triadic

#0D184D #4D0D18 #184D0D

tetradic

#0D184D #4D0D38 #4D420D #0D4D22

square

#0D184D #4D0D38 #4D420D #0D4D22

split-complementary

#0D184D #4D220D #384D0D

monochromatic

#04081A #04081A #0D184D #162881 #1F39B6

Accessibility & contrast

On white

16.73

#0D184D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.25

#0D184D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0D184D

16.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0D184D	#FFFFFF	#000000	##FFFFFF
##0D184D	1.00	16.73	1.25	16.73
#FFFFFF	16.73	1.00	21.00	1.00
#000000	1.25	21.00	1.00	21.00
##FFFFFF	16.73	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: #0d184d;
/* rgb */ color: rgb(13, 24, 77);
/* oklch */ color: oklch(24.0% 0.098 268.6);

Tailwind

colors: {
  custom: {
    50: '#58547f',
    500: '#0d184d',
    950: '#000000',
  },
}

SCSS

$custom: #0d184d;
$custom-light: #58547f;
$custom-dark: #000000;

JSON

{
  "hex": "#0d184d",
  "rgb": {
    "r": 13,
    "g": 24,
    "b": 77
  },
  "hsl": {
    "h": 229.688,
    "s": 71.111,
    "l": 17.647
  },
  "oklch": {
    "l": 0.24031,
    "c": 0.09844,
    "h": 268.6
  },
  "luminance": 0.01275
}

Semantic roles & 50–950 ramp

primary

#0D184D

secondary

#88792E

accent

#CF3AEE

background

#F5F4F7

surface

#E9E7EE

border

#C5C3C9

text

#04020A

muted

#79787C

Preview Lab

Preview with #0D184D

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

Preview Lab → · Contrast checker → · Palette generator →