Color

#618dc2

#618dc2
hex#618dc2
rgbrgb(97, 141, 194)
hslhsl(213, 44%, 57%)
oklchoklch(0.633 0.094 253.7)
Closest name: Canadian Tuxedo (#579aca)Relative luminance 0.2549

Colors that go with #618dc2

Charcoal, Copper 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 →

#c29661

#61bdc2 · #6661c2

#c2618d · #8dc261

Split-complementary

Open in tool →

#c26661 · #bdc261

#c261bd · #c29661 · #61c266

Contrast

#618dc2 as textRatioAAAA largeAAAFix
Aaon white
3.44:1failpassfail
  • AA: use #4677b4 as the text (4.61:1)
  • AAA: use #355a88 as the text (7.07:1)
  • AA: or shift the background to #242424 (4.51:1)
Aaon black
6.1:1passpassfail
  • AAA: use #739ac9 as the text (7.19:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #618dc2 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

#618dc2 reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #618dc2
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 #618dc2 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/618dc2-9ca9c4-df584e-1f202d-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