Color

#618adb

#618adb
hex#618adb
rgbrgb(97, 138, 219)
hslhsl(220, 63%, 62%)
oklchoklch(0.64 0.13 262.9)
Closest name: Blue Jay (#5588dd)Relative luminance 0.2583

Colors that go with #618adb

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 →

#dbb261

#61c7db · #7561db

#db618a · #8adb61

Split-complementary

Open in tool →

#db7561 · #c7db61

#db61c7 · #dbb261 · #61db75

Contrast

#618adb as textRatioAAAA largeAAAFix
Aaon white
3.41:1failpassfail
  • AA: use #4071d4 as the text (4.64:1)
  • AAA: use #2753aa as the text (7.23:1)
  • AA: or shift the background to #242424 (4.56:1)
Aaon black
6.17:1passpassfail
  • 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 #618adb 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

#618adb reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #618adb
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 #618adb and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/618adb-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