Color

#297abc

#297abc
hex#297abc
rgbrgb(41, 122, 188)
hslhsl(207, 64%, 45%)
oklchoklch(0.563 0.128 247.5)
Closest name: Haddock’s Sweater (#277aba)Relative luminance 0.1802

Tints & shades

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

Harmonies

Complementary

Open in tool →

#bc6b29

#29bcb5 · #2931bc

#bc297a · #7abc29

Split-complementary

Open in tool →

#bc2931 · #bcb529

#b529bc · #bc6b29 · #31bc29

Contrast

#297abc as textRatioAAAA largeAAAFix
Aaon white
4.56:1passpassfail
  • AAA: use #1f5c8e as the text (7.05:1)
Aaon black
4.6:1passpassfail
  • AAA: use #4f9bd8 as the text (7.01:1)

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

Brands using this color

Fonts for this mood

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

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

tool url/palettes/new/297abc-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