Color

#338ba3

#338ba3
hex#338ba3
rgbrgb(51, 139, 163)
hslhsl(193, 52%, 42%)
oklchoklch(0.595 0.089 219.4)
Closest name: Blue Moon (#3992a8)Relative luminance 0.2181

Colors that go with #338ba3

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 →

#a34c33

#33a383 · #3353a3

#a3338b · #8ba333

Split-complementary

Open in tool →

#a33353 · #a38333

#8333a3 · #a34c33 · #53a333

Contrast

#338ba3 as textRatioAAAA largeAAAFix
Aaon white
3.92:1failpassfail
  • AA: use #2f7d93 as the text (4.69:1)
  • AAA: use #236070 as the text (7.05:1)
  • AA: or shift the background to #171717 (4.58:1)
Aaon black
5.36:1passpassfail
  • AAA: use #3ca2be as the text (7.1:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #338ba3 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

#338ba3 reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #338ba3
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 #338ba3 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/338ba3-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