Color

#0d2dba

#0d2dba
hex#0d2dba
rgbrgb(13, 45, 186)
hslhsl(229, 87%, 39%)
oklchoklch(0.399 0.218 265.2)
Closest name: Blue Hour (#0034ab)Relative luminance 0.0551

Colors that go with #0d2dba

Charcoal, Steel Blue and 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 →

#ba9a0d

#0d83ba · #440dba

#ba0d2d · #2dba0d

Split-complementary

Open in tool →

#ba440d · #83ba0d

#ba0d83 · #ba9a0d · #0dba44

Contrast

#0d2dba as textRatioAAAA largeAAAFix
Aaon white
9.99:1passpasspassPasses AAA — no fix needed.
Aaon black
2.1:1failfailfail
  • AA: use #4a69f2 as the text (4.59:1)
  • AAA: use #7990f6 as the text (7.13:1)
  • AA: or shift the background to #b0b0b0 (4.61:1)
  • AAA: or shift the background to #d9d9d9 (7.08:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #0d2dba as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

Fonts for this mood

#0d2dba reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #0d2dba
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 #0d2dba and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/0d2dba-9c9fc4-df7e4e-231f2d-e9eef1?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