Color

#4951e4

#4951e4
hex#4951e4
rgbrgb(73, 81, 228)
hslhsl(237, 74%, 59%)
oklchoklch(0.523 0.218 273.6)
Closest name: Arcane Brew (#5260e1)Relative luminance 0.129

Tints & shades

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

Harmonies

Complementary

Open in tool →

#e4dc49

#499ee4 · #8f49e4

#e44951 · #51e449

Split-complementary

Open in tool →

#e48f49 · #9ee449

#e4499e · #e4dc49 · #49e48f

Contrast

#4951e4 as textRatioAAAA largeAAAFix
Aaon white
5.87:1passpassfail
  • AAA: use #3740e1 as the text (7.04:1)
Aaon black
3.58:1failpassfail
  • AA: use #5f66e7 as the text (4.54:1)
  • AAA: use #878ced as the text (7:1)
  • AA: or shift the background to #e3e3e3 (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 #4951e4 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

#4951e4 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #4951e4
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 #4951e4 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/4951e4-9f9cc4-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