Color

#298399

#298399
hex#298399
rgbrgb(41, 131, 153)
hslhsl(192, 58%, 38%)
oklchoklch(0.567 0.088 217.7)
Closest name: Ahoy! Blue (#0082a1)Relative luminance 0.19

Colors that go with #298399

Charcoal, Copper and Crimson 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 →

#993f29

#299977 · #294a99

#992983 · #839929

Split-complementary

Open in tool →

#99294a · #997729

#772999 · #993f29 · #4a9929

Contrast

#298399 as textRatioAAAA largeAAAFix
Aaon white
4.37:1failpassfail
  • AA: use #287f95 as the text (4.61:1)
  • AAA: use #1e6071 as the text (7.08:1)
  • AA: or shift the background to #0a0a0a (4.53:1)
Aaon black
4.8:1passpassfail
  • AAA: use #32a2bd as the text (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 #298399 as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

Fonts for this mood

#298399 reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #298399
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 #298399 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/298399-a2b5be-df4e77-1f242d-e9f1ef?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