Color

#5b65be

#5b65be
hex#5b65be
rgbrgb(91, 101, 190)
hslhsl(234, 43%, 55%)
oklchoklch(0.542 0.138 276)
Closest name: Bellflower (#5d66aa)Relative luminance 0.1525

Colors that go with #5b65be

Charcoal, 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 →

#beb45b

#5b96be · #825bbe

#be5b65 · #65be5b

Split-complementary

Open in tool →

#be825b · #96be5b

#be5b96 · #beb45b · #5bbe82

Contrast

#5b65be as textRatioAAAA largeAAAFix
Aaon white
5.19:1passpassfail
  • AAA: use #444fab as the text (7.11:1)
Aaon black
4.05:1failpassfail
  • AA: use #666fc2 as the text (4.62:1)
  • AAA: use #8a91d0 as the text (7.04:1)
  • AA: or shift the background to #f0f0f0 (4.55:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #5b65be 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

#5b65be reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #5b65be
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 #5b65be and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/5b65be-9d9cc4-df8a4e-241f2d-e9eef1?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