Color

#3b6091

#3b6091
hex#3b6091
rgbrgb(59, 96, 145)
hslhsl(214, 42%, 40%)
oklchoklch(0.484 0.09 255.9)
Closest name: Dusk (#4e5481)Relative luminance 0.1134

Tints & shades

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

Harmonies

Complementary

Open in tool →

#916c3b

#3b8b91 · #413b91

#913b60 · #60913b

Split-complementary

Open in tool →

#91413b · #8b913b

#913b8b · #916c3b · #3b9141

Contrast

#3b6091 as textRatioAAAA largeAAAFix
Aaon white
6.43:1passpassfail
  • AAA: use #375986 as the text (7.15:1)
Aaon black
3.27:1failpassfail
  • AA: use #4876b1 as the text (4.5:1)
  • AAA: use #7599c7 as the text (7.14:1)
  • AA: or shift the background to #d9d9d9 (4.55:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #3b6091 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

#3b6091 reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #3b6091
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 #3b6091 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3b6091-9ca9c4-df5a4e-1f1f2d-e9f0f1?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