Color

#4583ed

#4583ed
hex#4583ed
rgbrgb(69, 131, 237)
hslhsl(218, 82%, 60%)
oklchoklch(0.623 0.172 260.4)
Closest name: Blue Öyster Cult (#5577ee)Relative luminance 0.2361

Tints & shades

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

Harmonies

Complementary

Open in tool →

#edaf45

#45d6ed · #5c45ed

#ed4583 · #83ed45

Split-complementary

Open in tool →

#ed5c45 · #d6ed45

#ed45d6 · #edaf45 · #45ed5c

Contrast

#4583ed as textRatioAAAA largeAAAFix
Aaon white
3.67:1failpassfail
  • AA: use #2a70ea as the text (4.56:1)
  • AAA: use #1352be as the text (7.05:1)
  • AA: or shift the background to #1c1c1c (4.64:1)
Aaon black
5.72:1passpassfail
  • AAA: use #6195ef as the text (7.05:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #4583ed 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

#4583ed reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #4583ed
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 #4583ed and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/4583ed-9ca6c4-df644e-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