Color

#658dcd

#658dcd
hex#658dcd
rgbrgb(101, 141, 205)
hslhsl(217, 51%, 60%)
oklchoklch(0.641 0.107 259.5)
Closest name: Blue Bay (#619ad6)Relative luminance 0.2622

Tints & shades

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

Harmonies

Complementary

Open in tool →

#cda565

#65c1cd · #7165cd

#cd658d · #8dcd65

Split-complementary

Open in tool →

#cd7165 · #c1cd65

#cd65c1 · #cda565 · #65cd71

Contrast

#658dcd as textRatioAAAA largeAAAFix
Aaon white
3.36:1failpassfail
  • AA: use #4676c3 as the text (4.53:1)
  • AAA: use #315896 as the text (7.08:1)
  • AA: or shift the background to #262626 (4.5:1)
Aaon black
6.24:1passpassfail
  • AAA: use #7498d2 as the text (7.16:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #658dcd 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

#658dcd reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #658dcd
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 #658dcd and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/658dcd-9ca7c4-df624e-201f2d-e9f0f1?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