Color

#13385e

#13385e
hex#13385e
rgbrgb(19, 56, 94)
hslhsl(210, 66%, 22%)
oklchoklch(0.336 0.079 251.9)
Closest name: Beyond the Stars (#0a3251)Relative luminance 0.0377

Colors that go with #13385e

Crimson, Sea Green 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 →

#5d3813

#135d5d · #13135d

#5d1338 · #385d13

Split-complementary

Open in tool →

#5d1313 · #5d5d13

#5d135d · #5d3813 · #135d13

Contrast

#13385e as textRatioAAAA largeAAAFix
Aaon white
11.97:1passpasspassPasses AAA — no fix needed.
Aaon black
1.75:1failfailfail
  • AA: use #2978c7 as the text (4.61:1)
  • AAA: use #5a9cdd as the text (7.23:1)
  • AA: or shift the background to #a1a1a1 (4.63:1)
  • AAA: or shift the background to #c7c7c7 (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 #13385e as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#13385e reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #13385e
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 #13385e and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/13385e-9cabc4-df514e-1f202d-e9f1f1?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