Color

#5e54bb

#5e54bb
hex#5e54bb
rgbrgb(94, 84, 187)
hslhsl(246, 43%, 53%)
oklchoklch(0.51 0.157 283.8)
Closest name: slateblue (#6a5acd)Relative luminance 0.1231

Colors that go with #5e54bb

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 →

#b0bb54

#547dbb · #9154bb

#bb5e54 · #54bb5e

Split-complementary

Open in tool →

#bb9154 · #7dbb54

#bb547d · #b0bb54 · #54bb91

Contrast

#5e54bb as textRatioAAAA largeAAAFix
Aaon white
6.07:1passpassfail
  • AAA: use #5247b3 as the text (7.21:1)
Aaon black
3.46:1failpassfail
  • AA: use #7269c3 as the text (4.52:1)
  • AAA: use #958ed2 as the text (7.08:1)
  • AA: or shift the background to #dedede (4.51:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #5e54bb 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

#5e54bb reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #5e54bb
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 #5e54bb and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/5e54bb-a59cc4-dfa74e-271f2d-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