Color

#658ddc

#658ddc
hex#658ddc
rgbrgb(101, 141, 220)
hslhsl(220, 63%, 63%)
oklchoklch(0.649 0.127 263)
Closest name: Blue Jay (#5588dd)Relative luminance 0.2698

Colors that go with #658ddc

Charcoal, Midnight Blue and Dark Goldenrod lead the list. Each partner is a real named colour with the reason it works — a wheel relationship, a neutral that carries it, or a pairing lifted from a palette or brand system that actually shipped — and every pair opens in the palette tool.

Real palettes that use #658ddc

Tints & shades

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

Harmonies

Complementary

Open in tool →

#dcb465

#65c8dc · #7965dc

#dc658d · #8ddc65

Split-complementary

Open in tool →

#dc7965 · #c8dc65

#dc65c8 · #dcb465 · #65dc79

Contrast

#658ddc as textRatioAAAA largeAAAFix
Aaon white
3.28:1failpassfail
  • AA: use #4071d4 as the text (4.64:1)
  • AAA: use #2753aa as the text (7.23:1)
  • AA: or shift the background to #262626 (4.61:1)
Aaon black
6.4:1passpassfail
  • AAA: use #7296df as the text (7.14:1)

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

#658ddc reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #658ddc
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — direct_palette, edit_direction, check_palette, check_contrast — read-only, no key. Every direction it proposes comes with a /colors/d/… link: open it, lock what you like, paste the link back, and the agent edits rather than re-rolls.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #658ddc and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/658ddc-9ca5c4-df694e-211f2d-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