Color

#298bbc

#298bbc
hex#298bbc
rgbrgb(41, 139, 188)
hslhsl(200, 64%, 45%)
oklchoklch(0.604 0.115 235.6)
Closest name: steelblue (#4682b4)Relative luminance 0.2257

Tints & shades

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

Harmonies

Complementary

Open in tool →

#bc5a29

#29bca4 · #2942bc

#bc298b · #8bbc29

Split-complementary

Open in tool →

#bc2942 · #bca429

#a429bc · #bc5a29 · #42bc29

Contrast

#298bbc as textRatioAAAA largeAAAFix
Aaon white
3.81:1failpassfail
  • AA: use #257ca7 as the text (4.65:1)
  • AAA: use #1c5d7d as the text (7.21:1)
  • AA: or shift the background to #1a1a1a (4.57:1)
Aaon black
5.51:1passpassfail
  • AAA: use #369fd3 as the text (7.06:1)

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

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

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

tool url/palettes/new/298bbc-9cb2c4-df4e64-1f232d-e9f1f0?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