Color

#656cd2

#656cd2
hex#656cd2
rgbrgb(101, 108, 210)
hslhsl(236, 55%, 61%)
oklchoklch(0.576 0.154 277.4)
Closest name: slateblue (#6a5acd)Relative luminance 0.1814

Colors that go with #656cd2

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 →

#d2cb65

#65a3d2 · #9465d2

#d2656c · #6cd265

Split-complementary

Open in tool →

#d29465 · #a3d265

#d265a3 · #d2cb65 · #65d294

Contrast

#656cd2 as textRatioAAAA largeAAAFix
Aaon white
4.54:1passpassfail
  • AAA: use #3d46c7 as the text (7.24:1)
Aaon black
4.63:1passpassfail
  • AAA: use #8c92de as the text (7.28:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #656cd2 as the background.

Brands using this color

Fonts for this mood

#656cd2 reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #656cd2
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 #656cd2 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/656cd2-9e9cc4-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