Color

#4383ea

#4383ea
hex#4383ea
rgbrgb(67, 131, 234)
hslhsl(217, 80%, 59%)
oklchoklch(0.62 0.169 259.5)
Closest name: Blue Jay (#5588dd)Relative luminance 0.2337

Tints & shades

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

Harmonies

Complementary

Open in tool →

#eaaa43

#43d7ea · #5643ea

#ea4383 · #83ea43

Split-complementary

Open in tool →

#ea5643 · #d7ea43

#ea43d7 · #eaaa43 · #43ea56

Contrast

#4383ea as textRatioAAAA largeAAAFix
Aaon white
3.7:1failpassfail
  • AA: use #2771e7 as the text (4.56:1)
  • AAA: use #1453b8 as the text (7.1:1)
  • AA: or shift the background to #1c1c1c (4.6:1)
Aaon black
5.67:1passpassfail
  • AAA: use #6398ee as the text (7.26:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #4383ea as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

Palettes built around it

Fonts for this mood

#4383ea reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #4383ea
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 #4383ea and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/4383ea-9ca7c4-df624e-201f2d-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