Color

#618eff

#618eff
hex#618eff
rgbrgb(97, 142, 255)
hslhsl(223, 100%, 69%)
oklchoklch(0.669 0.174 265.6)
Closest name: cornflowerblue (#6495ed)Relative luminance 0.2911

Tints & shades

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

Harmonies

Complementary

Open in tool →

#ffd261

#61ddff · #8361ff

#ff618e · #8eff61

Split-complementary

Open in tool →

#ff8361 · #ddff61

#ff61dd · #ffd261 · #61ff83

Contrast

#618eff as textRatioAAAA largeAAAFix
Aaon white
3.08:1failpassfail
  • AA: use #2e69ff as the text (4.58:1)
  • AAA: use #0042eb as the text (7.05:1)
  • AA: or shift the background to #2b2b2b (4.6:1)
Aaon black
6.82:1passpassfail
  • AAA: use #6691ff 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 #618eff 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

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

mcpConnect your agent — build around #618eff
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — generate_palette, check_contrast, analyze_color — read-only, no key. Every palette it proposes comes with a /palettes/new/… link: open it, lock what you like, paste the link back.

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

analyze #618eff and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/618eff-9ca3c4-df704e-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