#0D184C#0D184C

#0D184C is a very dark, moderate blue. Relative luminance 0.013; OKLCH L 23.9% C 0.097 H 268.6°. Best body text is #FFFFFF at 16.77:1 contrast (WCAG AA passes).

Color values

HEX	#0D184C
RGB	rgb(13, 24, 76)
HSL	hsl(230, 71%, 17%)
HSV	hsv(230, 83%, 30%)
CMYK	cmyk(82.9%, 68.4%, 0%, 70.2%)
CIE-LAB	lab(11.00, 16.83, -33.52)
CIE-LCH	lch(11.00, 37.51, 296.67°)
OKLab	oklab(23.93% -0.0024 -0.0969)
OKLCH	oklch(23.93% 0.097 268.6)
XYZ	xyz(1.7967, 1.2604, 6.9847)
Luminance	0.0126 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0D184C #4C410D

analogous

#0D374C #0D184C #220D4C

triadic

#0D184C #4C0D18 #184C0D

tetradic

#0D184C #4C0D37 #4C410D #0D4C22

square

#0D184C #4C0D37 #4C410D #0D4C22

split-complementary

#0D184C #4C220D #374C0D

monochromatic

#04081A #04081A #0D184C #162980 #1F39B5

Accessibility & contrast

On white

16.77

#0D184C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.25

#0D184C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0D184C

16.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0D184C	#FFFFFF	#000000	##FFFFFF
##0D184C	1.00	16.77	1.25	16.77
#FFFFFF	16.77	1.00	21.00	1.00
#000000	1.25	21.00	1.00	21.00
##FFFFFF	16.77	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00204E

Deuteranopia (green-blind)

#001B4B

Tritanopia (blue-blind)

#00252F

Achromatopsia (no color)

#1D1D1D

Design tokens & code

CSS

--color: #0d184c;
/* rgb */ color: rgb(13, 24, 76);
/* oklch */ color: oklch(23.9% 0.097 268.6);

Tailwind

colors: {
  custom: {
    50: '#57547f',
    500: '#0d184c',
    950: '#000000',
  },
}

SCSS

$custom: #0d184c;
$custom-light: #57547f;
$custom-dark: #000000;

JSON

{
  "hex": "#0d184c",
  "rgb": {
    "r": 13,
    "g": 24,
    "b": 76
  },
  "hsl": {
    "h": 229.524,
    "s": 70.787,
    "l": 17.451
  },
  "oklch": {
    "l": 0.23926,
    "c": 0.0969,
    "h": 268.6
  },
  "luminance": 0.01261
}

Semantic roles & 50–950 ramp

primary

#0D184C

secondary

#87782E

accent

#CE3AEE

background

#F5F4F7

surface

#E9E7EE

border

#C5C3C9

text

#04020A

muted

#79787C

Preview Lab

Preview with #0D184C

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

Preview Lab → · Contrast checker → · Palette generator →