Color

#0d2f7d

#0d2f7d
hex#0d2f7d
rgbrgb(13, 47, 125)
hslhsl(222, 81%, 27%)
oklchoklch(0.338 0.138 263.2)
Closest name: Below the Surface (#0a2f7c)Relative luminance 0.036

Colors that go with #0d2f7d

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 →

#7d5b0d

#0d667d · #230d7d

#7d0d2f · #2f7d0d

Split-complementary

Open in tool →

#7d230d · #667d0d

#7d0d66 · #7d5b0d · #0d7d23

Contrast

#0d2f7d as textRatioAAAA largeAAAFix
Aaon white
12.21:1passpasspassPasses AAA — no fix needed.
Aaon black
1.72:1failfailfail
  • AA: use #396eea as the text (4.59:1)
  • AAA: use #6b93ef as the text (7.05:1)
  • AA: or shift the background to #9e9e9e (4.56:1)
  • AAA: or shift the background to #c4c4c4 (7:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #0d2f7d 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

#0d2f7d reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #0d2f7d
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 #0d2f7d and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/0d2f7d-9ca3c4-df6e4e-211f2d-e9eff1?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