Color

#545bde

#545bde
hex#545bde
rgbrgb(84, 91, 222)
hslhsl(237, 68%, 60%)
oklchoklch(0.542 0.196 275.4)
Closest name: Arcane Brew (#5260e1)Relative luminance 0.1464

Tints & shades

Every swatch is its own page — click any to analyze it.

Harmonies

Complementary

Open in tool →

#ded754

#54a0de · #9254de

#de545b · #5bde54

Split-complementary

Open in tool →

#de9254 · #a0de54

#de54a0 · #ded754 · #54de92

Contrast

#545bde as textRatioAAAA largeAAAFix
Aaon white
5.35:1passpassfail
  • AAA: use #3a42d9 as the text (7.09:1)
Aaon black
3.93:1failpassfail
  • AA: use #6067e1 as the text (4.52:1)
  • AAA: use #8b90e9 as the text (7.26:1)
  • AA: or shift the background to #ededed (4.57:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #545bde 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

#545bde reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #545bde
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — generate_palette, check_contrast, analyze_color — read-only, no key. Every palette it proposes comes with a /palettes/new/… link: open it, lock what you like, paste the link back.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #545bde and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/545bde-9f9cc4-df924e-251f2d-e9edf1?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