Color

#13455e

#13455e
hex#13455e
rgbrgb(19, 69, 94)
hslhsl(200, 66%, 22%)
oklchoklch(0.37 0.067 234.9)
Closest name: Capital Blue (#1a4157)Relative luminance 0.052

Colors that go with #13455e

Sienna, Blush Pink and Cadet 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 →

#5d2c13

#135d51 · #131f5d

#5d1344 · #445d13

Split-complementary

Open in tool →

#5d131f · #5d5113

#51135d · #5d2c13 · #1f5d13

Contrast

#13455e as textRatioAAAA largeAAAFix
Aaon white
10.29:1passpasspassPasses AAA — no fix needed.
Aaon black
2.04:1failfailfail
  • AA: use #237ca9 as the text (4.53:1)
  • AAA: use #34a0d5 as the text (7.14:1)
  • AA: or shift the background to #adadad (4.59:1)
  • AAA: or shift the background to #d6d6d6 (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 #13455e 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

#13455e reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #13455e
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 #13455e and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/13455e-9cb2c4-df4e64-1f232d-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