Color

#33879e

#33879e
hex#33879e
rgbrgb(51, 135, 158)
hslhsl(193, 51%, 41%)
oklchoklch(0.583 0.086 219.3)
Closest name: Ahoy! Blue (#0082a1)Relative luminance 0.205

Colors that go with #33879e

Charcoal, Copper and Crimson 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 →

#9e4a33

#339e80 · #33519e

#9e3387 · #879e33

Split-complementary

Open in tool →

#9e3351 · #9e8033

#80339e · #9e4a33 · #519e33

Contrast

#33879e as textRatioAAAA largeAAAFix
Aaon white
4.12:1failpassfail
  • AA: use #318096 as the text (4.51:1)
  • AAA: use #245f70 as the text (7.13:1)
  • AA: or shift the background to #121212 (4.55:1)
Aaon black
5.1:1passpassfail
  • AAA: use #3da1bd as the text (7.03:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #33879e 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

#33879e reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #33879e
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 #33879e and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/33879e-a2b5be-df4e75-1f242d-e9f1ef?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