Color

#3a4fee

#3a4fee
hex#3a4fee
rgbrgb(58, 79, 238)
hslhsl(233, 84%, 58%)
oklchoklch(0.521 0.237 269.7)
Closest name: Arcane Brew (#5260e1)Relative luminance 0.1266

Tints & shades

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

Harmonies

Complementary

Open in tool →

#eed93a

#3aa9ee · #7f3aee

#ee3a4f · #4fee3a

Split-complementary

Open in tool →

#ee7f3a · #a9ee3a

#ee3aa9 · #eed93a · #3aee7f

Contrast

#3a4fee as textRatioAAAA largeAAAFix
Aaon white
5.94:1passpassfail
  • AAA: use #273eec as the text (7.03:1)
Aaon black
3.53:1failpassfail
  • AA: use #5668f0 as the text (4.63:1)
  • AAA: use #808ef4 as the text (7.09:1)
  • AA: or shift the background to #e0e0e0 (4.5:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #3a4fee 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

#3a4fee reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #3a4fee
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 #3a4fee and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3a4fee-9c9cc4-df884e-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