#0F186A#0F186A

#0F186A is a dark, vivid blue. Relative luminance 0.018; OKLCH L 27.4% C 0.140 H 268.7°. Best body text is #FFFFFF at 15.45:1 contrast (WCAG AA passes).

Color values

HEX	#0F186A
RGB	rgb(15, 24, 106)
HSL	hsl(234, 75%, 24%)
HSV	hsv(234, 86%, 42%)
CMYK	cmyk(85.8%, 77.4%, 0%, 58.4%)
CIE-LAB	lab(14.37, 29.25, -48.13)
CIE-LCH	lch(14.37, 56.32, 301.29°)
OKLab	oklab(27.4% -0.0031 -0.1395)
OKLCH	oklch(27.4% 0.14 268.7)
XYZ	xyz(3.1243, 1.7951, 13.8147)
Luminance	0.0180 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0F186A #6A610F

analogous

#0F456A #0F186A #330F6A

triadic

#0F186A #6A0F18 #186A0F

tetradic

#0F186A #6A0F45 #6A610F #0F6A33

square

#0F186A #6A0F45 #6A610F #0F6A33

split-complementary

#0F186A #6A330F #456A0F

monochromatic

#04061B #070C34 #0F186A #1724A0 #1E30D5

Accessibility & contrast

On white

15.45

#0F186A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.36

#0F186A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0F186A

15.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0F186A	#FFFFFF	#000000	##FFFFFF
##0F186A	1.00	15.45	1.36	15.45
#FFFFFF	15.45	1.00	21.00	1.00
#000000	1.36	21.00	1.00	21.00
##FFFFFF	15.45	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00296C

Deuteranopia (green-blind)

#002069

Tritanopia (blue-blind)

#00303F

Achromatopsia (no color)

#242424

Design tokens & code

CSS

--color: #0f186a;
/* rgb */ color: rgb(15, 24, 106);
/* oklch */ color: oklch(27.4% 0.140 268.7);

Tailwind

colors: {
  custom: {
    50: '#615596',
    500: '#0f186a',
    950: '#000000',
  },
}

SCSS

$custom: #0f186a;
$custom-light: #615596;
$custom-dark: #000000;

JSON

{
  "hex": "#0f186a",
  "rgb": {
    "r": 15,
    "g": 24,
    "b": 106
  },
  "hsl": {
    "h": 234.066,
    "s": 75.207,
    "l": 23.725
  },
  "oklch": {
    "l": 0.27395,
    "c": 0.1395,
    "h": 268.7
  },
  "luminance": 0.01795
}

Semantic roles & 50–950 ramp

primary

#0F186A

secondary

#A29732

accent

#DF36F2

background

#F6F5F9

surface

#EBE9F2

border

#C6C5CC

text

#06030D

muted

#7A787E

Preview Lab

Preview with #0F186A

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

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