#0D184E#0D184E

#0D184E is a very dark, moderate blue. Relative luminance 0.013; OKLCH L 24.1% C 0.100 H 268.6°. Best body text is #FFFFFF at 16.70:1 contrast (WCAG AA passes).

Color values

HEX	#0D184E
RGB	rgb(13, 24, 78)
HSL	hsl(230, 71%, 18%)
HSV	hsv(230, 83%, 31%)
CMYK	cmyk(83.3%, 69.2%, 0%, 69.4%)
CIE-LAB	lab(11.20, 17.69, -34.57)
CIE-LCH	lch(11.20, 38.83, 297.10°)
OKLab	oklab(24.14% -0.0024 -0.0999)
OKLCH	oklch(24.14% 0.1 268.6)
XYZ	xyz(1.8673, 1.2887, 7.3566)
Luminance	0.0129 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0D184E #4E430D

analogous

#0D384E #0D184E #220D4E

triadic

#0D184E #4E0D18 #184E0D

tetradic

#0D184E #4E0D38 #4E430D #0D4E22

square

#0D184E #4E0D38 #4E430D #0D4E22

split-complementary

#0D184E #4E220D #384E0D

monochromatic

#04081A #04081A #0D184E #162882 #1E38B7

Accessibility & contrast

On white

16.70

#0D184E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.26

#0D184E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0D184E

16.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0D184E	#FFFFFF	#000000	##FFFFFF
##0D184E	1.00	16.70	1.26	16.70
#FFFFFF	16.70	1.00	21.00	1.00
#000000	1.26	21.00	1.00	21.00
##FFFFFF	16.70	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: #0d184e;
/* rgb */ color: rgb(13, 24, 78);
/* oklch */ color: oklch(24.1% 0.100 268.6);

Tailwind

colors: {
  custom: {
    50: '#585480',
    500: '#0d184e',
    950: '#000000',
  },
}

SCSS

$custom: #0d184e;
$custom-light: #585480;
$custom-dark: #000000;

JSON

{
  "hex": "#0d184e",
  "rgb": {
    "r": 13,
    "g": 24,
    "b": 78
  },
  "hsl": {
    "h": 229.846,
    "s": 71.429,
    "l": 17.843
  },
  "oklch": {
    "l": 0.24136,
    "c": 0.09998,
    "h": 268.6
  },
  "luminance": 0.01289
}

Semantic roles & 50–950 ramp

primary

#0D184E

secondary

#897A2E

accent

#D03AEE

background

#F5F4F7

surface

#E9E7EE

border

#C5C3C9

text

#04020A

muted

#79787C

Preview Lab

Preview with #0D184E

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

Preview Lab → · Contrast checker → · Palette generator →