Color

#564eb7

#564eb7
hex#564eb7
rgbrgb(86, 78, 183)
hslhsl(245, 42%, 51%)
oklchoklch(0.49 0.16 282.1)
Closest name: Blasphemous Blue (#3356aa)Relative luminance 0.1085

Colors that go with #564eb7

Charcoal, Amber and 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 →

#aeb74e

#4e79b7 · #8b4eb7

#b7564e · #4eb756

Split-complementary

Open in tool →

#b78b4e · #79b74e

#b74e79 · #aeb74e · #4eb78b

Contrast

#564eb7 as textRatioAAAA largeAAAFix
Aaon white
6.63:1passpassfail
  • AAA: use #5148b1 as the text (7.21:1)
Aaon black
3.17:1failpassfail
  • AA: use #726bc2 as the text (4.6:1)
  • AAA: use #948fd1 as the text (7.11:1)
  • AA: or shift the background to #d6d6d6 (4.56:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #564eb7 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

#564eb7 reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #564eb7
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 #564eb7 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/564eb7-a49cc4-dfa54e-261f2d-e9ecf1?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