#0F184C#0F184C

#0F184C is a very dark, moderate blue. Relative luminance 0.013; OKLCH L 24.0% C 0.096 H 269.9°. Best body text is #FFFFFF at 16.73:1 contrast (WCAG AA passes).

Color values

HEX	#0F184C
RGB	rgb(15, 24, 76)
HSL	hsl(231, 67%, 18%)
HSV	hsv(231, 80%, 30%)
CMYK	cmyk(80.3%, 68.4%, 0%, 70.2%)
CIE-LAB	lab(11.11, 17.10, -33.33)
CIE-LCH	lch(11.11, 37.46, 297.17°)
OKLab	oklab(24.04% -0.0002 -0.0963)
OKLCH	oklch(24.04% 0.096 269.9)
XYZ	xyz(1.8277, 1.2764, 6.9861)
Luminance	0.0128 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0F184C #4C430F

analogous

#0F364C #0F184C #250F4C

triadic

#0F184C #4C0F18 #184C0F

tetradic

#0F184C #4C0F36 #4C430F #0F4C25

square

#0F184C #4C0F36 #4C430F #0F4C25

split-complementary

#0F184C #4C250F #364C0F

monochromatic

#05081A #05081A #0F184C #19287F #2338B2

Accessibility & contrast

On white

16.73

#0F184C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.26

#0F184C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0F184C

16.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0F184C	#FFFFFF	#000000	##FFFFFF
##0F184C	1.00	16.73	1.26	16.73
#FFFFFF	16.73	1.00	21.00	1.00
#000000	1.26	21.00	1.00	21.00
##FFFFFF	16.73	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00214E

Deuteranopia (green-blind)

#001B4B

Tritanopia (blue-blind)

#00252F

Achromatopsia (no color)

#1E1E1E

Design tokens & code

CSS

--color: #0f184c;
/* rgb */ color: rgb(15, 24, 76);
/* oklch */ color: oklch(24.0% 0.096 269.9);

Tailwind

colors: {
  custom: {
    50: '#58547f',
    500: '#0f184c',
    950: '#000000',
  },
}

SCSS

$custom: #0f184c;
$custom-light: #58547f;
$custom-dark: #000000;

JSON

{
  "hex": "#0f184c",
  "rgb": {
    "r": 15,
    "g": 24,
    "b": 76
  },
  "hsl": {
    "h": 231.148,
    "s": 67.033,
    "l": 17.843
  },
  "oklch": {
    "l": 0.24041,
    "c": 0.09626,
    "h": 269.9
  },
  "luminance": 0.01277
}

Semantic roles & 50–950 ramp

primary

#0F184C

secondary

#867A31

accent

#D13EEA

background

#F5F4F7

surface

#E9E7EE

border

#C5C3C9

text

#04020A

muted

#79787C

Preview Lab

Preview with #0F184C

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

Preview Lab → · Contrast checker → · Palette generator →