Color

#083fbf

#083fbf
hex#083fbf
rgbrgb(8, 63, 191)
hslhsl(222, 92%, 39%)
oklchoklch(0.433 0.206 263.2)
Closest name: Cobalt Blue (#0047ab)Relative luminance 0.0737

Colors that go with #083fbf

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 →

#bf8808

#089abf · #2d08bf

#bf083f · #3fbf08

Split-complementary

Open in tool →

#bf2d08 · #9abf08

#bf089a · #bf8808 · #08bf2d

Contrast

#083fbf as textRatioAAAA largeAAAFix
Aaon white
8.49:1passpasspassPasses AAA — no fix needed.
Aaon black
2.47:1failfailfail
  • AA: use #316cf6 as the text (4.61:1)
  • AAA: use #6793f9 as the text (7.12:1)
  • AA: or shift the background to #bdbdbd (4.52:1)
  • AAA: or shift the background to #ebebeb (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 #083fbf as the background.

Brands using this color

Fonts for this mood

#083fbf reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #083fbf
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 #083fbf and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/083fbf-9ca3c4-df6e4e-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