#0F184D#0F184D

#0F184D is a very dark, moderate blue. Relative luminance 0.013; OKLCH L 24.1% C 0.098 H 269.9°. Best body text is #FFFFFF at 16.69:1 contrast (WCAG AA passes).

Color values

HEX	#0F184D
RGB	rgb(15, 24, 77)
HSL	hsl(231, 67%, 18%)
HSV	hsv(231, 81%, 30%)
CMYK	cmyk(80.5%, 68.8%, 0%, 69.8%)
CIE-LAB	lab(11.21, 17.52, -33.85)
CIE-LCH	lch(11.21, 38.12, 297.37°)
OKLab	oklab(24.15% -0.0002 -0.0978)
OKLCH	oklch(24.15% 0.098 269.9)
XYZ	xyz(1.8627, 1.2905, 7.1707)
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

#0F184D #4D440F

analogous

#0F374D #0F184D #250F4D

triadic

#0F184D #4D0F18 #184D0F

tetradic

#0F184D #4D0F37 #4D440F #0F4D25

square

#0F184D #4D0F37 #4D440F #0F4D25

split-complementary

#0F184D #4D250F #374D0F

monochromatic

#05081A #05081A #0F184D #192880 #2338B3

Accessibility & contrast

On white

16.69

#0F184D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.26

#0F184D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0F184D

16.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0F184D	#FFFFFF	#000000	##FFFFFF
##0F184D	1.00	16.69	1.26	16.69
#FFFFFF	16.69	1.00	21.00	1.00
#000000	1.26	21.00	1.00	21.00
##FFFFFF	16.69	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: #0f184d;
/* rgb */ color: rgb(15, 24, 77);
/* oklch */ color: oklch(24.1% 0.098 269.9);

Tailwind

colors: {
  custom: {
    50: '#58547f',
    500: '#0f184d',
    950: '#000000',
  },
}

SCSS

$custom: #0f184d;
$custom-light: #58547f;
$custom-dark: #000000;

JSON

{
  "hex": "#0f184d",
  "rgb": {
    "r": 15,
    "g": 24,
    "b": 77
  },
  "hsl": {
    "h": 231.29,
    "s": 67.391,
    "l": 18.039
  },
  "oklch": {
    "l": 0.24145,
    "c": 0.09781,
    "h": 269.9
  },
  "luminance": 0.01291
}

Semantic roles & 50–950 ramp

primary

#0F184D

secondary

#877B31

accent

#D13EEA

background

#F5F4F7

surface

#E9E7EE

border

#C5C3C9

text

#04020A

muted

#79787C

Preview Lab

Preview with #0F184D

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

Preview Lab → · Contrast checker → · Palette generator →