Color

#3d116a

#3d116a
hex#3d116a
rgbrgb(61, 17, 106)
hslhsl(270, 72%, 24%)
oklchoklch(0.308 0.141 300.3)
Closest name: Explorer of the Galaxies (#3a1f76)Relative luminance 0.0243

Tints & shades

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

Harmonies

Complementary

Open in tool →

#3d6911

#111169 · #691169

#693d11 · #11693d

Split-complementary

Open in tool →

#696911 · #116911

#691111 · #3d6911 · #116969

Contrast

#3d116a as textRatioAAAA largeAAAFix
Aaon white
14.13:1passpasspassPasses AAA — no fix needed.
Aaon black
1.49:1failfailfail
  • AA: use #9950e2 as the text (4.6:1)
  • AAA: use #b580ea as the text (7.24:1)
  • AA: or shift the background to #949494 (4.66:1)
  • AAA: or shift the background to #b8b8b8 (7.12:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #3d116a 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

#3d116a reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #3d116a
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 #3d116a and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3d116a-b59cc4-c9cb62-2c1f2d-eae9f1?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