Color

#6370bf

#6370bf
hex#6370bf
rgbrgb(99, 112, 191)
hslhsl(232, 42%, 57%)
oklchoklch(0.571 0.122 274.8)
Closest name: Flood (#6677bb)Relative luminance 0.18

Tints & shades

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

Harmonies

Complementary

Open in tool →

#bfb363

#639ebf · #8563bf

#bf6370 · #70bf63

Split-complementary

Open in tool →

#bf8563 · #9ebf63

#bf639e · #bfb363 · #63bf85

Contrast

#6370bf as textRatioAAAA largeAAAFix
Aaon white
4.56:1passpassfail
  • AAA: use #4451a7 as the text (7.05:1)
Aaon black
4.6:1passpassfail
  • AAA: use #8b94d0 as the text (7.24:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #6370bf 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

#6370bf reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #6370bf
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 #6370bf and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/6370bf-9c9dc4-df864e-231f2d-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