Color

#134358

#134358
hex#134358
rgbrgb(19, 67, 88)
hslhsl(198, 64%, 21%)
oklchoklch(0.361 0.062 231.1)
Closest name: Capital Blue (#1a4157)Relative luminance 0.0486

Colors that go with #134358

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 →

#582813

#13584a · #132158

#581343 · #435813

Split-complementary

Open in tool →

#581321 · #584a13

#4a1358 · #582813 · #215813

Contrast

#134358 as textRatioAAAA largeAAAFix
Aaon white
10.65:1passpasspassPasses AAA — no fix needed.
Aaon black
1.97:1failfailfail
  • AA: use #247da3 as the text (4.54:1)
  • AAA: use #2ea0d1 as the text (7.07:1)
  • AA: or shift the background to #ababab (4.64:1)
  • AAA: or shift the background to #d4d4d4 (7.19:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #134358 as the background.

Brands using this color

Fonts for this mood

#134358 reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #134358
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 #134358 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/134358-9cb3c4-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