Color

#0d52ba

#0d52ba
hex#0d52ba
rgbrgb(13, 82, 186)
hslhsl(216, 87%, 39%)
oklchoklch(0.466 0.177 259.8)
Closest name: Denim (#1560bd)Relative luminance 0.0967

Colors that go with #0d52ba

Charcoal, Crimson and Steel Blue lead the list. Each partner is a real named colour with the reason it works — a wheel relationship, a neutral that carries it, or a pairing lifted from a palette or brand system that actually shipped — and every pair opens in the palette tool.

Tints & shades

Every swatch is its own page — click any to analyze it.

Harmonies

Complementary

Open in tool →

#ba750d

#0da9ba · #1e0dba

#ba0d52 · #52ba0d

Split-complementary

Open in tool →

#ba1e0d · #a9ba0d

#ba0da9 · #ba750d · #0dba1e

Contrast

#0d52ba as textRatioAAAA largeAAAFix
Aaon white
7.16:1passpasspassPasses AAA — no fix needed.
Aaon black
2.93:1failfailfail
  • AA: use #1a6fef as the text (4.56:1)
  • AAA: use #5896f3 as the text (7.07:1)
  • AA: or shift the background to #cfcfcf (4.6:1)
  • AAA: or shift the background to #ffffff (7.16:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #0d52ba as the background.

Brands using this color

Fonts for this mood

#0d52ba reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #0d52ba
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — direct_palette, edit_direction, check_palette, check_contrast — read-only, no key. Every direction it proposes comes with a /colors/d/… link: open it, lock what you like, paste the link back, and the agent edits rather than re-rolls.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #0d52ba and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/0d52ba-9ca7c4-df5f4e-201f2d-e9f0f1?lock=0&style=vibrant

Want the agent to remember your picks and write them into a living brand? Create a free BrandSweets workspace.

Machine-readable: color.md