Color

#184fbf

#184fbf
hex#184fbf
rgbrgb(24, 79, 191)
hslhsl(220, 78%, 42%)
oklchoklch(0.466 0.185 262.3)
Closest name: Cobalt Blue (#0047ab)Relative luminance 0.0955

Colors that go with #184fbf

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 →

#bf8718

#18a3bf · #3318bf

#bf184f · #4fbf18

Split-complementary

Open in tool →

#bf3318 · #a3bf18

#bf18a3 · #bf8718 · #18bf33

Contrast

#184fbf as textRatioAAAA largeAAAFix
Aaon white
7.22:1passpasspassPasses AAA — no fix needed.
Aaon black
2.91:1failfailfail
  • AA: use #336ee6 as the text (4.51:1)
  • AAA: use #6995ec as the text (7.11:1)
  • AA: or shift the background to #cfcfcf (4.63:1)
  • AAA: or shift the background to #fcfcfc (7.04:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #184fbf as the background.

Brands using this color

Fonts for this mood

#184fbf reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #184fbf
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 #184fbf and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/184fbf-9ca5c4-df694e-211f2d-e9f0f1?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