Color

#6b88ef

#6b88ef
hex#6b88ef
rgbrgb(107, 136, 239)
hslhsl(227, 80%, 68%)
oklchoklch(0.653 0.157 269.8)
Closest name: cornflowerblue (#6495ed)Relative luminance 0.2697

Colors that go with #6b88ef

Charcoal, Medium Sea Green and Orange Red 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 →

#efd26c

#6ccaef · #916cef

#ef6c88 · #88ef6c

Split-complementary

Open in tool →

#ef916c · #caef6c

#ef6cca · #efd26c · #6cef91

Contrast

#6b88ef as textRatioAAAA largeAAAFix
Aaon white
3.28:1failpassfail
  • AA: use #476beb as the text (4.59:1)
  • AAA: use #1944e1 as the text (7.11:1)
  • AA: or shift the background to #262626 (4.61:1)
Aaon black
6.39:1passpassfail

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #6b88ef 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

#6b88ef reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #6b88ef
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 #6b88ef and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/6b88ef-9ca0c4-df7a4e-221f2d-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