Color

#3d61ae

#3d61ae
hex#3d61ae
rgbrgb(61, 97, 174)
hslhsl(221, 48%, 46%)
oklchoklch(0.505 0.129 263.6)
Closest name: Blasphemous Blue (#3356aa)Relative luminance 0.126

Colors that go with #3d61ae

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 →

#ae8a3d

#3d99ae · #523dae

#ae3d61 · #61ae3d

Split-complementary

Open in tool →

#ae523d · #99ae3d

#ae3d99 · #ae8a3d · #3dae52

Contrast

#3d61ae as textRatioAAAA largeAAAFix
Aaon white
5.97:1passpassfail
  • AAA: use #36569b as the text (7.09:1)
Aaon black
3.52:1failpassfail
  • AA: use #4e72c1 as the text (4.5:1)
  • AAA: use #7b96d1 as the text (7.13:1)
  • AA: or shift the background to #e0e0e0 (4.52:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #3d61ae 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

#3d61ae reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #3d61ae
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 #3d61ae and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3d61ae-9ca4c4-df6b4e-211f2d-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