Color

#298da8

#298da8
hex#298da8
rgbrgb(41, 141, 168)
hslhsl(193, 61%, 41%)
oklchoklch(0.599 0.097 220.2)
Closest name: Blue Moon (#3992a8)Relative luminance 0.2235

Colors that go with #298da8

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 →

#a84429

#29a884 · #294da8

#a8298d · #8da829

Split-complementary

Open in tool →

#a8294d · #a88429

#8429a8 · #a84429 · #4da829

Contrast

#298da8 as textRatioAAAA largeAAAFix
Aaon white
3.84:1failpassfail
  • AA: use #257f98 as the text (4.6:1)
  • AAA: use #1c6073 as the text (7.07:1)
  • AA: or shift the background to #1a1a1a (4.53:1)
Aaon black
5.47:1passpassfail
  • AAA: use #30a5c5 as the text (7.31:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #298da8 as the background.

Brands using this color

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

Palettes built around it

Fonts for this mood

#298da8 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #298da8
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 #298da8 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/298da8-a2b5be-df4e75-1f242d-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