Color

#3483ea

#3483ea
hex#3483ea
rgbrgb(52, 131, 234)
hslhsl(214, 81%, 56%)
oklchoklch(0.615 0.173 256.6)
Closest name: Blue Jay (#5588dd)Relative luminance 0.229

Tints & shades

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

Harmonies

Complementary

Open in tool →

#ea9b34

#34deea · #4034ea

#ea3483 · #83ea34

Split-complementary

Open in tool →

#ea4034 · #deea34

#ea34de · #ea9b34 · #34ea40

Contrast

#3483ea as textRatioAAAA largeAAAFix
Aaon white
3.76:1failpassfail
  • AA: use #1872e7 as the text (4.57:1)
  • AAA: use #1256af as the text (7.06:1)
  • AA: or shift the background to #1c1c1c (4.53:1)
Aaon black
5.58:1passpassfail
  • AAA: use #5999ee as the text (7.22:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #3483ea as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#3483ea reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

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

tool url/palettes/new/3483ea-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