#0F185D#0F185D

#0F185D is a dark, vivid blue. Relative luminance 0.015; OKLCH L 25.9% C 0.122 H 269.3°. Best body text is #FFFFFF at 16.04:1 contrast (WCAG AA passes).

Color values

HEX	#0F185D
RGB	rgb(15, 24, 93)
HSL	hsl(233, 72%, 21%)
HSV	hsv(233, 84%, 36%)
CMYK	cmyk(83.9%, 74.2%, 0%, 63.5%)
CIE-LAB	lab(12.89, 24.14, -41.96)
CIE-LCH	lch(12.89, 48.41, 299.91°)
OKLab	oklab(25.89% -0.0014 -0.1215)
OKLCH	oklch(25.89% 0.122 269.3)
XYZ	xyz(2.4987, 1.5449, 10.5203)
Luminance	0.0155 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0F185D #5D540F

analogous

#0F3F5D #0F185D #2D0F5D

triadic

#0F185D #5D0F18 #185D0F

tetradic

#0F185D #5D0F3F #5D540F #0F5D2D

square

#0F185D #5D0F3F #5D540F #0F5D2D

split-complementary

#0F185D #5D2D0F #3F5D0F

monochromatic

#04071A #060A28 #0F185D #172692 #2033C6

Accessibility & contrast

On white

16.04

#0F185D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.31

#0F185D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0F185D

16.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0F185D	#FFFFFF	#000000	##FFFFFF
##0F185D	1.00	16.04	1.31	16.04
#FFFFFF	16.04	1.00	21.00	1.00
#000000	1.31	21.00	1.00	21.00
##FFFFFF	16.04	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00255F

Deuteranopia (green-blind)

#001E5C

Tritanopia (blue-blind)

#002B38

Achromatopsia (no color)

#212121

Design tokens & code

CSS

--color: #0f185d;
/* rgb */ color: rgb(15, 24, 93);
/* oklch */ color: oklch(25.9% 0.122 269.3);

Tailwind

colors: {
  custom: {
    50: '#5d558c',
    500: '#0f185d',
    950: '#000000',
  },
}

SCSS

$custom: #0f185d;
$custom-light: #5d558c;
$custom-dark: #000000;

JSON

{
  "hex": "#0f185d",
  "rgb": {
    "r": 15,
    "g": 24,
    "b": 93
  },
  "hsl": {
    "h": 233.077,
    "s": 72.222,
    "l": 21.176
  },
  "oklch": {
    "l": 0.25886,
    "c": 0.12153,
    "h": 269.3
  },
  "luminance": 0.01545
}

Semantic roles & 50–950 ramp

primary

#0F185D

secondary

#968B31

accent

#DA39EF

background

#F5F4F8

surface

#EAE8F0

border

#C6C4CB

text

#05030C

muted

#79787D

Preview Lab

Preview with #0F185D

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

Preview Lab → · Contrast checker → · Palette generator →