Color

#3955a2

#3955a2
hex#3955a2
rgbrgb(57, 85, 162)
hslhsl(224, 48%, 43%)
oklchoklch(0.469 0.129 266.5)
Closest name: Blasphemous Blue (#3356aa)Relative luminance 0.0998

Colors that go with #3955a2

Charcoal, Sea Green and Steel Blue 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 →

#a28639

#398aa2 · #5239a2

#a23955 · #55a239

Split-complementary

Open in tool →

#a25239 · #8aa239

#a2398a · #a28639 · #39a252

Contrast

#3955a2 as textRatioAAAA largeAAAFix
Aaon white
7.01:1passpasspassPasses AAA — no fix needed.
Aaon black
3:1failfailfail
  • AA: use #5573c3 as the text (4.63:1)
  • AAA: use #7f95d2 as the text (7.13:1)
  • AA: or shift the background to #cfcfcf (4.5:1)
  • AAA: or shift the background to #ffffff (7.01:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #3955a2 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

#3955a2 reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #3955a2
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 #3955a2 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3955a2-9ca2c4-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