Color

#6380cf

#6380cf
hex#6380cf
rgbrgb(99, 128, 207)
hslhsl(224, 53%, 60%)
oklchoklch(0.613 0.125 267.4)
Closest name: Blue Jay (#5588dd)Relative luminance 0.226

Tints & shades

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

Harmonies

Complementary

Open in tool →

#cfb263

#63b6cf · #7c63cf

#cf6380 · #80cf63

Split-complementary

Open in tool →

#cf7c63 · #b6cf63

#cf63b6 · #cfb263 · #63cf7c

Contrast

#6380cf as textRatioAAAA largeAAAFix
Aaon white
3.8:1failpassfail
  • AA: use #4f70c9 as the text (4.67:1)
  • AAA: use #3453a8 as the text (7.12:1)
  • AA: or shift the background to #1a1a1a (4.57:1)
Aaon black
5.52:1passpassfail
  • AAA: use #7e96d7 as the text (7.23:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #6380cf 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

#6380cf reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #6380cf
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 #6380cf and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/6380cf-9ca2c4-df724e-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