Color

#4d57ea

#4d57ea
hex#4d57ea
rgbrgb(77, 87, 234)
hslhsl(236, 79%, 61%)
oklchoklch(0.54 0.218 273.5)
Closest name: Arcane Brew (#5260e1)Relative luminance 0.1433

Tints & shades

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

Harmonies

Complementary

Open in tool →

#eae04d

#4da6ea · #914dea

#ea4d57 · #57ea4d

Split-complementary

Open in tool →

#ea914d · #a6ea4d

#ea4da6 · #eae04d · #4dea91

Contrast

#4d57ea as textRatioAAAA largeAAAFix
Aaon white
5.43:1passpassfail
  • AAA: use #323ee7 as the text (7.05:1)
Aaon black
3.87:1failpassfail
  • AA: use #5f69ec as the text (4.72:1)
  • AAA: use #888ff1 as the text (7.25:1)
  • AA: or shift the background to #ebebeb (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 #4d57ea 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

#4d57ea reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #4d57ea
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 #4d57ea and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/4d57ea-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