Color

#298bdb

#298bdb
hex#298bdb
rgbrgb(41, 139, 219)
hslhsl(207, 71%, 51%)
oklchoklch(0.621 0.149 248.2)
Closest name: Blue Jay (#5588dd)Relative luminance 0.2405

Tints & shades

Every swatch is its own page — click any to analyze it.

Harmonies

Complementary

Open in tool →

#db7929

#29dbd2 · #2932db

#db298b · #8bdb29

Split-complementary

Open in tool →

#db2932 · #dbd229

#d229db · #db7929 · #32db29

Contrast

#298bdb as textRatioAAAA largeAAAFix
Aaon white
3.61:1failpassfail
  • AA: use #2178c0 as the text (4.65:1)
  • AAA: use #185a90 as the text (7.23:1)
  • AA: or shift the background to #1f1f1f (4.56:1)
Aaon black
5.81:1passpassfail
  • AAA: use #489ce0 as the text (7.11:1)

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

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

mcpConnect your agent — build around #298bdb
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — generate_palette, check_contrast, analyze_color — read-only, no key. Every palette it proposes comes with a /palettes/new/… link: open it, lock what you like, paste the link back.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #298bdb and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/298bdb-9cadc4-df4e53-1f212d-e9f1f1?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