#0A2F4B Prussian Blue
#0A2F4B is Prussian Blue.
#0A2F4B
Prussian Blue
What are the RGB, HSL, OKLCH and CMYK values of #0A2F4B?
- HEX
- #0A2F4B
- RGB
- rgb(10, 47, 75)
- HSL
- hsl(206, 76%, 17%)
- OKLCH
- oklch(29.5% 0.065 246)
- CMYK
- 87, 37, 0, 71
#0A2F4B has a contrast ratio of 13.81:1 against white and 1.52:1 against black, so white is the better background for text in this color and light text reads best on it.
Contrast checker
Text color (rows) on background (columns), scored against WCAG 2.2. White and near-black text on this color.
| Text ↓ / Bg → | #0A2F4B |
|---|---|
| #0A2F4B | Same color |
| White | 13.8AAA |
| Near-black | 1.3Fail |
AAA ≥ 7:1 · AA ≥ 4.5:1 body text· AA18 ≥ 3:1 large text (18pt, or 14pt bold) only
Text that works on each color
- White on #0A2F4B · 13.8:1
Tints and shades of #0A2F4B
Same hue and chroma in OKLCH, lighter to darker.
Colors that go with #0A2F4B
Six harmony rules built from this color. Open any in the Studio.
- AnalogousNeighboring hues. Calm and cohesive, with little tension.
- ComplementaryOpposite hues. Maximum contrast — strong for accents.
- SplitA hue plus the two neighbors of its opposite. Contrast without the clash.
- TriadicThree evenly spaced hues. Vivid and balanced.
- TetradicFour hues in two complementary pairs. Rich, and easy to overuse.
- MonoOne hue across a range of lightness. Always harmonious.
Color blindness check
About 1 in 12 men and 1 in 200 women see color differently. Simulated with the Machado (2009) model.
No green cones — the most common form. Prussian Blue, #0A2F4B and Midnight Blue, #0F156F become hard to tell apart — don't rely on color alone to separate them.
Export
Copy-paste code, or download the swatches.
:root {
--prussian-blue-1: #0A2F4B; /* Prussian Blue */
}Palettes, gradients and meshes with #0A2F4B
Items using this color or one perceptually close to it, closest first.
Palettes (57)
- Polar Night
- Porcelain Blue
- Nordic Morning
- Aqua Studio
- Iceberg
- Pacific Rim
- Sorbet Stand
- Starlight Ink
- Tidepool
- Lagoon Postcard
- Steel Harbour
- Flamingo Pool
- Rain City Neon
- Violet Family
- Blueberry Muffin
- Teal Typewriter
- Thistle Moor
- Retro Diner
- Harbor Fog
- Turquoise Tile
- Bluebell Wood
- Tangerine Tram
- Wildflower Field
- Moonlit Orchid
- Arctic Fox
- Sunset Boulevard
- Digital Matcha
- Blulette
- Brass & Ink
- Heather Tweed
- Bubblegum Disco
- Volt Dashboard
- Indigo Denim
- Lilac Letterpress
- Brunch Club
- Cherry Chrome
- Cobalt Pottery
- Concrete Gallery
- Mauve Gallery
- Cherry Blossom Rain
- Kazoku no aka
- Butter Green
- Jade Pavilion
- Lavender Laundry
- Salt Marsh
- Coastal Grey
- Midnight Arcade
- Aubergine Night
- Fern Gully