Color

#083391

#083391
hex#083391
rgbrgb(8, 51, 145)
hslhsl(221, 90%, 30%)
oklchoklch(0.364 0.161 262.8)
Closest name: Deepsea Kraken (#082599)Relative luminance 0.0446

Colors that go with #083391

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 →

#916608

#087891 · #210891

#910833 · #339108

Split-complementary

Open in tool →

#912108 · #789108

#910878 · #916608 · #089121

Contrast

#083391 as textRatioAAAA largeAAAFix
Aaon white
11.1:1passpasspassPasses AAA — no fix needed.
Aaon black
1.89:1failfailfail
  • AA: use #2f6df4 as the text (4.61:1)
  • AAA: use #6996f7 as the text (7.31:1)
  • AA: or shift the background to #a6a6a6 (4.56:1)
  • AAA: or shift the background to #cfcfcf (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 #083391 as the background.

Brands using this color

Fonts for this mood

#083391 reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #083391
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 #083391 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/083391-9ca4c4-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