Color

#3d34ef

#3d34ef
hex#3d34ef
rgbrgb(61, 52, 239)
hslhsl(243, 85%, 57%)
oklchoklch(0.486 0.262 272.8)
Closest name: Blustering Blue (#4411ff)Relative luminance 0.0968

Tints & shades

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

Harmonies

Complementary

Open in tool →

#e5ef34

#3488ef · #9b34ef

#ef3d34 · #34ef3d

Split-complementary

Open in tool →

#ef9b34 · #88ef34

#ef3488 · #e5ef34 · #34ef9b

Contrast

#3d34ef as textRatioAAAA largeAAAFix
Aaon white
7.15:1passpasspassPasses AAA — no fix needed.
Aaon black
2.94:1failfailfail
  • AA: use #6a63f2 as the text (4.68:1)
  • AAA: use #8e89f5 as the text (7.05:1)
  • AA: or shift the background to #cfcfcf (4.59:1)
  • AAA: or shift the background to #ffffff (7.15:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #3d34ef 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

#3d34ef reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #3d34ef
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 #3d34ef and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3d34ef-a39cc4-dfa04e-261f2d-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