Color

#3a3dfd

#3a3dfd
hex#3a3dfd
rgbrgb(58, 61, 253)
hslhsl(239, 98%, 61%)
oklchoklch(0.51 0.271 270.9)
Closest name: Meteor Shower (#5533ff)Relative luminance 0.1133

Tints & shades

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

Harmonies

Complementary

Open in tool →

#fdfa3a

#3a9ffd · #983afd

#fd3a3d · #3dfd3a

Split-complementary

Open in tool →

#fd983a · #9ffd3a

#fd3a9f · #fdfa3a · #3afd98

Contrast

#3a3dfd as textRatioAAAA largeAAAFix
Aaon white
6.43:1passpassfail
  • AAA: use #2b2efd as the text (7.21:1)
Aaon black
3.27:1failpassfail
  • AA: use #5d60fd as the text (4.56:1)
  • AAA: use #8b8dfe as the text (7.34:1)
  • AA: or shift the background to #d9d9d9 (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 #3a3dfd 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

#3a3dfd reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #3a3dfd
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 #3a3dfd and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3a3dfd-a09cc4-df964e-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