Color

#33508e

#33508e
hex#33508e
rgbrgb(51, 80, 142)
hslhsl(221, 47%, 38%)
oklchoklch(0.441 0.108 263.7)
Closest name: Assassin (#2d4f83)Relative luminance 0.0839

Colors that go with #33508e

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.

Tints & shades

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

Harmonies

Complementary

Open in tool →

#8e7233

#337e8e · #44338e

#8e3350 · #508e33

Split-complementary

Open in tool →

#8e4433 · #7e8e33

#8e337e · #8e7233 · #338e44

Contrast

#33508e as textRatioAAAA largeAAAFix
Aaon white
7.84:1passpasspassPasses AAA — no fix needed.
Aaon black
2.68:1failfailfail
  • AA: use #5375c1 as the text (4.68:1)
  • AAA: use #7c96d0 as the text (7.13:1)
  • AA: or shift the background to #c7c7c7 (4.64:1)
  • AAA: or shift the background to #f2f2f2 (7:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #33508e 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

#33508e reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #33508e
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 #33508e and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/33508e-9ca4c4-df6b4e-211f2d-e9eff1?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