Color

#06319d

#06319d
hex#06319d
rgbrgb(6, 49, 157)
hslhsl(223, 93%, 32%)
oklchoklch(0.372 0.18 263.4)
Closest name: Blue Hour (#0034ab)Relative luminance 0.0467

Colors that go with #06319d

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 →

#9d7206

#067d9d · #27069d

#9d0631 · #319d06

Split-complementary

Open in tool →

#9d2706 · #7d9d06

#9d067d · #9d7206 · #069d27

Contrast

#06319d as textRatioAAAA largeAAAFix
Aaon white
10.86:1passpasspassPasses AAA — no fix needed.
Aaon black
1.93:1failfailfail
  • AA: use #3069f8 as the text (4.5:1)
  • AAA: use #6b94fa as the text (7.24:1)
  • AA: or shift the background to #a8a8a8 (4.57:1)
  • AAA: or shift the background to #d1d1d1 (7.11:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #06319d as the background.

Brands using this color

Fonts for this mood

#06319d reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #06319d
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 #06319d and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/06319d-9ca3c4-df704e-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