Color

#338d99

#338d99
hex#338d99
rgbrgb(51, 141, 153)
hslhsl(187, 50%, 40%)
oklchoklch(0.596 0.085 207.6)
Closest name: Blue Moon (#3992a8)Relative luminance 0.2205

Tints & shades

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

Harmonies

Complementary

Open in tool →

#993f33

#339972 · #335a99

#99338d · #8d9933

Split-complementary

Open in tool →

#99335a · #997233

#723399 · #993f33 · #5a9933

Contrast

#338d99 as textRatioAAAA largeAAAFix
Aaon white
3.88:1failpassfail
  • AA: use #2e7f8a as the text (4.65:1)
  • AAA: use #225f67 as the text (7.24:1)
  • AA: or shift the background to #171717 (4.62:1)
Aaon black
5.41:1passpassfail
  • AAA: use #3ca6b4 as the text (7.31:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #338d99 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

#338d99 reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #338d99
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 #338d99 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/338d99-a2b8be-df4e83-1f262d-e9f1ee?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