#0D184F#0D184F

#0D184F is a very dark, moderate blue. Relative luminance 0.013; OKLCH L 24.2% C 0.102 H 268.6°. Best body text is #FFFFFF at 16.66:1 contrast (WCAG AA passes).

Color values

HEX	#0D184F
RGB	rgb(13, 24, 79)
HSL	hsl(230, 72%, 18%)
HSV	hsv(230, 84%, 31%)
CMYK	cmyk(83.5%, 69.6%, 0%, 69%)
CIE-LAB	lab(11.30, 18.12, -35.09)
CIE-LCH	lch(11.30, 39.49, 297.31°)
OKLab	oklab(24.24% -0.0025 -0.1015)
OKLCH	oklch(24.24% 0.102 268.6)
XYZ	xyz(1.9034, 1.3031, 7.5468)
Luminance	0.0130 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0D184F #4F440D

analogous

#0D394F #0D184F #230D4F

triadic

#0D184F #4F0D18 #184F0D

tetradic

#0D184F #4F0D39 #4F440D #0D4F23

square

#0D184F #4F0D39 #4F440D #0D4F23

split-complementary

#0D184F #4F230D #394F0D

monochromatic

#04081A #04081A #0D184F #162884 #1E38B8

Accessibility & contrast

On white

16.66

#0D184F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.26

#0D184F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0D184F

16.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0D184F	#FFFFFF	#000000	##FFFFFF
##0D184F	1.00	16.66	1.26	16.66
#FFFFFF	16.66	1.00	21.00	1.00
#000000	1.26	21.00	1.00	21.00
##FFFFFF	16.66	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002151

Deuteranopia (green-blind)

#001B4E

Tritanopia (blue-blind)

#002630

Achromatopsia (no color)

#1E1E1E

Design tokens & code

CSS

--color: #0d184f;
/* rgb */ color: rgb(13, 24, 79);
/* oklch */ color: oklch(24.2% 0.102 268.6);

Tailwind

colors: {
  custom: {
    50: '#585481',
    500: '#0d184f',
    950: '#000000',
  },
}

SCSS

$custom: #0d184f;
$custom-light: #585481;
$custom-dark: #000000;

JSON

{
  "hex": "#0d184f",
  "rgb": {
    "r": 13,
    "g": 24,
    "b": 79
  },
  "hsl": {
    "h": 230,
    "s": 71.739,
    "l": 18.039
  },
  "oklch": {
    "l": 0.24242,
    "c": 0.10151,
    "h": 268.6
  },
  "luminance": 0.01303
}

Semantic roles & 50–950 ramp

primary

#0D184F

secondary

#8A7B2E

accent

#D039EE

background

#F5F4F7

surface

#E9E7EE

border

#C5C3C9

text

#04020A

muted

#79787C

Preview Lab

Preview with #0D184F

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

Preview Lab → · Contrast checker → · Palette generator →