#0A2F4C Prussian Blue
#0A2F4C is Prussian Blue.
#0A2F4C
Prussian Blue
What are the RGB, HSL, OKLCH and CMYK values of #0A2F4C?
- HEX
- #0A2F4C
- RGB
- rgb(10, 47, 76)
- HSL
- hsl(206, 77%, 17%)
- OKLCH
- oklch(29.6% 0.067 247)
- CMYK
- 87, 38, 0, 70
#0A2F4C has a contrast ratio of 13.78:1 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 → | #0A2F4C |
|---|---|
| #0A2F4C | 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 #0A2F4C · 13.8:1
Tints and shades of #0A2F4C
Same hue and chroma in OKLCH, lighter to darker.
Colors that go with #0A2F4C
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, #0A2F4C and Midnight Blue, #0F1570 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: #0A2F4C; /* Prussian Blue */
}Palettes, gradients and meshes with #0A2F4C
Items using this color or one perceptually close to it, closest first.
Palettes (56)
- Porcelain Blue
- Night Shift
- Nordic Morning
- Iceberg
- Aqua Studio
- Pacific Rim
- Sorbet Stand
- Starlight Ink
- Tidepool
- Lagoon Postcard
- Flamingo Pool
- Steel Harbour
- Violet Family
- Blueberry Muffin
- Rain City Neon
- Retro Diner
- Teal Typewriter
- Thistle Moor
- Harbor Fog
- Bluebell Wood
- Turquoise Tile
- Tangerine Tram
- Wildflower Field
- Moonlit Orchid
- Arctic Fox
- Blulette
- Brass & Ink
- Sunset Boulevard
- Digital Matcha
- Bubblegum Disco
- Volt Dashboard
- Heather Tweed
- Indigo Denim
- Lilac Letterpress
- Cobalt Pottery
- Brunch Club
- Cherry Chrome
- Mauve Gallery
- Cherry Blossom Rain
- Concrete Gallery
- Kazoku no aka
- Lavender Laundry
- Butter Green
- Jade Pavilion
- Salt Marsh
- Midnight Arcade
- Coastal Grey
- Aubergine Night