Color

#13475d

#13475d
hex#13475d
rgbrgb(19, 71, 93)
hslhsl(198, 66%, 22%)
oklchoklch(0.375 0.065 230.6)
Closest name: Capital Blue (#1a4157)Relative luminance 0.0544

Colors that go with #13475d

Crimson, Royal Blue and Teal 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 →

#5d2913

#135d4e · #13225d

#5d1347 · #475d13

Split-complementary

Open in tool →

#5d1322 · #5d4e13

#4e135d · #5d2913 · #225d13

Contrast

#13475d as textRatioAAAA largeAAAFix
Aaon white
10.06:1passpasspassPasses AAA — no fix needed.
Aaon black
2.09:1failfailfail
  • AA: use #227ea5 as the text (4.6:1)
  • AAA: use #2ba1d4 as the text (7.15:1)
  • AA: or shift the background to #b0b0b0 (4.64:1)
  • AAA: or shift the background to #d9d9d9 (7.13:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #13475d as the background.

Brands using this color

Fonts for this mood

#13475d reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #13475d
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 #13475d and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/13475d-9cb3c4-df4e69-1f232d-e9f1f0?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