Color

#33409e

#33409e
hex#33409e
rgbrgb(51, 64, 158)
hslhsl(233, 51%, 41%)
oklchoklch(0.419 0.152 272.1)
Closest name: Blueberry (#464196)Relative luminance 0.0684

Colors that go with #33409e

Charcoal, Sea Green and Steel Blue lead the list. Each partner is a real named colour with the reason it works — a wheel relationship, a neutral that carries it, or a pairing lifted from a palette or brand system that actually shipped — and every pair opens in the palette tool.

Real palettes that use #33409e

Tints & shades

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

Harmonies

Complementary

Open in tool →

#9e9133

#33759e · #5c339e

#9e3340 · #409e33

Split-complementary

Open in tool →

#9e5c33 · #759e33

#9e3375 · #9e9133 · #339e5c

Contrast

#33409e as textRatioAAAA largeAAAFix
Aaon white
8.87:1passpasspassPasses AAA — no fix needed.
Aaon black
2.37:1failfailfail
  • AA: use #616ecc as the text (4.61:1)
  • AAA: use #8891d8 as the text (7.09:1)
  • AA: or shift the background to #bababa (4.57:1)
  • AAA: or shift the background to #e6e6e6 (7.11:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #33409e 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

#33409e reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #33409e
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — direct_palette, edit_direction, check_palette, check_contrast — read-only, no key. Every direction it proposes comes with a /colors/d/… link: open it, lock what you like, paste the link back, and the agent edits rather than re-rolls.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #33409e and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/33409e-9c9cc4-df884e-241f2d-e9eef1?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