Color

#4297cd

#4297cd
hex#4297cd
rgbrgb(66, 151, 205)
hslhsl(203, 58%, 53%)
oklchoklch(0.648 0.115 239.9)
Closest name: Blue Burst (#309cd0)Relative luminance 0.277

Tints & shades

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

Harmonies

Complementary

Open in tool →

#cd7742

#42cdbc · #4252cd

#cd4297 · #97cd42

Split-complementary

Open in tool →

#cd4252 · #cdbc42

#bc42cd · #cd7742 · #52cd42

Contrast

#4297cd as textRatioAAAA largeAAAFix
Aaon white
3.21:1failpassfail
  • AA: use #2e7cad as the text (4.56:1)
  • AAA: use #225d81 as the text (7.12:1)
  • AA: or shift the background to #292929 (4.53:1)
Aaon black
6.54:1passpassfail
  • AAA: use #4e9ed0 as the text (7.13:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #4297cd 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

#4297cd reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #4297cd
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 #4297cd and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/4297cd-9cb0c4-df4e5d-1f222d-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