Color

#297ea3

#297ea3
hex#297ea3
rgbrgb(41, 126, 163)
hslhsl(198, 60%, 40%)
oklchoklch(0.56 0.097 231.2)
Closest name: Ahoy! Blue (#0082a1)Relative luminance 0.1804

Tints & shades

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

Harmonies

Complementary

Open in tool →

#a34e29

#29a38b · #2941a3

#a3297e · #7ea329

Split-complementary

Open in tool →

#a32941 · #a38b29

#8b29a3 · #a34e29 · #41a329

Contrast

#297ea3 as textRatioAAAA largeAAAFix
Aaon white
4.56:1passpassfail
  • AAA: use #1f5f7a as the text (7.06:1)
Aaon black
4.61:1passpassfail
  • AAA: use #37a0cd as the text (7.07:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #297ea3 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

#297ea3 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #297ea3
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 #297ea3 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/297ea3-9cb3c4-df4e69-1f232d-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