Color

#3d04af

#3d04af
hex#3d04af
rgbrgb(61, 4, 175)
hslhsl(260, 96%, 35%)
oklchoklch(0.375 0.221 282.2)
Closest name: Galactic Highway (#3311bb)Relative luminance 0.0417

Tints & shades

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

Harmonies

Complementary

Open in tool →

#76af04

#0420af · #9204af

#af3d04 · #04af3d

Split-complementary

Open in tool →

#af9204 · #20af04

#af0420 · #76af04 · #04af92

Contrast

#3d04af as textRatioAAAA largeAAAFix
Aaon white
11.45:1passpasspassPasses AAA — no fix needed.
Aaon black
1.83:1failfailfail
  • AA: use #8950fb as the text (4.6:1)
  • AAA: use #ab82fc as the text (7.33:1)
  • AA: or shift the background to #a3a3a3 (4.54:1)
  • AAA: or shift the background to #cccccc (7.13:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #3d04af 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

#3d04af reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #3d04af
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 #3d04af and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3d04af-ae9cc4-dfc94e-2a1f2d-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