Color

#649da0

#649da0
hex#649da0
rgbrgb(100, 157, 160)
hslhsl(183, 24%, 51%)
oklchoklch(0.658 0.06 200)
Closest name: cadetblue (#5f9ea0)Relative luminance 0.2936

Colors that go with #649da0

Charcoal, Terracotta and Blush Pink 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 #649da0

Tints & shades

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

Harmonies

Complementary

Open in tool →

#a06764

#64a085 · #647fa0

#a0649d · #9da064

Split-complementary

Open in tool →

#a0647f · #a08564

#8564a0 · #a06764 · #7fa064

Contrast

#649da0 as textRatioAAAA largeAAAFix
Aaon white
3.06:1failpassfail
  • AA: use #4e7c7e as the text (4.66:1)
  • AAA: use #3a5d5f as the text (7.21:1)
  • AA: or shift the background to #2b2b2b (4.63:1)
Aaon black
6.87:1passpassfail
  • AAA: use #679fa2 as the text (7.06:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #649da0 as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

mcpConnect your agent — build around #649da0
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 #649da0 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/649da0-a2b9be-d4598e-1f262d-e9f1ee?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