Color

#6475d3

#6475d3
hex#6475d3
rgbrgb(100, 117, 211)
hslhsl(231, 56%, 61%)
oklchoklch(0.594 0.144 273.5)
Closest name: Flood (#6677bb)Relative luminance 0.2014

Colors that go with #6475d3

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 →

#d3c364

#64acd3 · #8b64d3

#d36475 · #75d364

Split-complementary

Open in tool →

#d38b64 · #acd364

#d364ac · #d3c364 · #64d38b

Contrast

#6475d3 as textRatioAAAA largeAAAFix
Aaon white
4.18:1failpassfail
  • AA: use #5c6dd1 as the text (4.6:1)
  • AAA: use #374cc3 as the text (7.04:1)
  • AA: or shift the background to #0f0f0f (4.59:1)
Aaon black
5.03:1passpassfail
  • AAA: use #8491dc 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 #6475d3 as the background.

Brands using this color

Fonts for this mood

#6475d3 reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #6475d3
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 #6475d3 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/6475d3-9c9ec4-df834e-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