Color

#6489d8

#6489d8
hex#6489d8
rgbrgb(100, 137, 216)
hslhsl(221, 60%, 62%)
oklchoklch(0.638 0.126 264.1)
Closest name: Blue Jay (#5588dd)Relative luminance 0.2556

Colors that go with #6489d8

Charcoal, Medium Sea Green and Amber 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.

Tints & shades

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

Harmonies

Complementary

Open in tool →

#d8b364

#64c3d8 · #7964d8

#d86489 · #89d864

Split-complementary

Open in tool →

#d87964 · #c3d864

#d864c3 · #d8b364 · #64d879

Contrast

#6489d8 as textRatioAAAA largeAAAFix
Aaon white
3.44:1failpassfail
  • AA: use #4773d1 as the text (4.52:1)
  • AAA: use #2b54ab as the text (7.1:1)
  • AA: or shift the background to #242424 (4.52:1)
Aaon black
6.11:1passpassfail
  • AAA: use #7495dc as the text (7.08:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #6489d8 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

#6489d8 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #6489d8
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 #6489d8 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/6489d8-9ca4c4-df6b4e-211f2d-e9eff1?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