Color

#06318e

#06318e
hex#06318e
rgbrgb(6, 49, 142)
hslhsl(221, 92%, 29%)
oklchoklch(0.357 0.16 262.7)
Closest name: Deepsea Kraken (#082599)Relative luminance 0.0419

Colors that go with #06318e

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 →

#8e6306

#06758e · #1f068e

#8e0631 · #318e06

Split-complementary

Open in tool →

#8e1f06 · #758e06

#8e0675 · #8e6306 · #068e1f

Contrast

#06318e as textRatioAAAA largeAAAFix
Aaon white
11.43:1passpasspassPasses AAA — no fix needed.
Aaon black
1.84:1failfailfail
  • AA: use #2c6cf6 as the text (4.58:1)
  • AAA: use #6795f9 as the text (7.24:1)
  • AA: or shift the background to #a3a3a3 (4.53:1)
  • AAA: or shift the background to #cccccc (7.12:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #06318e as the background.

Brands using this color

Fonts for this mood

#06318e reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #06318e
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 #06318e and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/06318e-9ca4c4-df6b4e-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