Color

#4d56cb

#4d56cb
hex#4d56cb
rgbrgb(77, 86, 203)
hslhsl(236, 55%, 55%)
oklchoklch(0.513 0.179 274.8)
Closest name: God of Rain (#4466cc)Relative luminance 0.1255

Colors that go with #4d56cb

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 →

#cbc34d

#4d95cb · #844dcb

#cb4d56 · #56cb4d

Split-complementary

Open in tool →

#cb844d · #95cb4d

#cb4d95 · #cbc34d · #4dcb84

Contrast

#4d56cb as textRatioAAAA largeAAAFix
Aaon white
5.98:1passpassfail
  • AAA: use #3d46c7 as the text (7.24:1)
Aaon black
3.51:1failpassfail
  • AA: use #656cd2 as the text (4.63:1)
  • AAA: use #8c92de as the text (7.28:1)
  • AA: or shift the background to #e0e0e0 (4.53:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #4d56cb 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

#4d56cb reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #4d56cb
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 #4d56cb and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/4d56cb-9e9cc4-df8f4e-241f2d-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