Color

#3d0bef

#3d0bef
hex#3d0bef
rgbrgb(61, 11, 239)
hslhsl(253, 91%, 49%)
oklchoklch(0.456 0.283 274.2)
Closest name: Overdue Blue (#4400ff)Relative luminance 0.0746

Tints & shades

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

Harmonies

Complementary

Open in tool →

#bdef0b

#0b4cef · #ae0bef

#ef3d0b · #0bef3d

Split-complementary

Open in tool →

#efae0b · #4cef0b

#ef0b4c · #bdef0b · #0befae

Contrast

#3d0bef as textRatioAAAA largeAAAFix
Aaon white
8.42:1passpasspassPasses AAA — no fix needed.
Aaon black
2.49:1failfailfail
  • AA: use #7c59f7 as the text (4.63:1)
  • AAA: use #9e85f9 as the text (7.18:1)
  • AA: or shift the background to #bfbfbf (4.58:1)
  • AAA: or shift the background to #ebebeb (7.07:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #3d0bef 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

#3d0bef reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #3d0bef
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 #3d0bef and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3d0bef-a99cc4-dfb84e-281f2d-e9ebf1?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