Color

#3963a2

#3963a2
hex#3963a2
rgbrgb(57, 99, 162)
hslhsl(216, 48%, 43%)
oklchoklch(0.5 0.112 258.3)
Closest name: Blasphemous Blue (#3356aa)Relative luminance 0.124

Colors that go with #3963a2

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 →

#a27839

#3998a2 · #4439a2

#a23963 · #63a239

Split-complementary

Open in tool →

#a24439 · #98a239

#a23998 · #a27839 · #39a244

Contrast

#3963a2 as textRatioAAAA largeAAAFix
Aaon white
6.03:1passpassfail
  • AAA: use #32588f as the text (7.17:1)
Aaon black
3.48:1failpassfail
  • AA: use #4676be as the text (4.6:1)
  • AAA: use #7398ce as the text (7.11:1)
  • AA: or shift the background to #e0e0e0 (4.57:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #3963a2 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

#3963a2 reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #3963a2
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 #3963a2 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3963a2-9ca7c4-df5f4e-201f2d-e9f0f1?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