Color

#3483bc

#3483bc
hex#3483bc
rgbrgb(52, 131, 188)
hslhsl(205, 57%, 47%)
oklchoklch(0.588 0.116 243.7)
Closest name: steelblue (#4682b4)Relative luminance 0.2059

Tints & shades

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

Harmonies

Complementary

Open in tool →

#bc6c34

#34bcb1 · #343fbc

#bc3483 · #83bc34

Split-complementary

Open in tool →

#bc343f · #bcb134

#b134bc · #bc6c34 · #3fbc34

Contrast

#3483bc as textRatioAAAA largeAAAFix
Aaon white
4.1:1failpassfail
  • AA: use #307bb0 as the text (4.58:1)
  • AAA: use #245c84 as the text (7.15:1)
  • AA: or shift the background to #121212 (4.57:1)
Aaon black
5.12:1passpassfail
  • AAA: use #539cd0 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 #3483bc 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

#3483bc reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #3483bc
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 #3483bc and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3483bc-9cafc4-df4e58-1f212d-e9f1f0?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