Color

#6398ca

#6398ca
hex#6398ca
rgbrgb(99, 152, 202)
hslhsl(209, 49%, 59%)
oklchoklch(0.663 0.094 248)
Closest name: Canadian Tuxedo (#579aca)Relative luminance 0.2937

Colors that go with #6398ca

Charcoal, Peru 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.

Real palettes that use #6398ca

Tints & shades

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

Harmonies

Complementary

Open in tool →

#ca9563

#63cac8 · #6365ca

#ca6398 · #98ca63

Split-complementary

Open in tool →

#ca6365 · #cac863

#c863ca · #ca9563 · #65ca63

Contrast

#6398ca as textRatioAAAA largeAAAFix
Aaon white
3.05:1failpassfail
  • AA: use #3d7ab3 as the text (4.53:1)
  • AAA: use #2e5b85 as the text (7.12:1)
  • AA: or shift the background to #2b2b2b (4.64:1)
Aaon black
6.87:1passpassfail
  • AAA: use #679bcb as the text (7.13:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #6398ca 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

#6398ca reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #6398ca
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 #6398ca and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/6398ca-9cacc4-df4e4e-1f212d-e9f1f1?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