Color

#4576fc

#4576fc
hex#4576fc
rgbrgb(69, 118, 252)
hslhsl(224, 97%, 63%)
oklchoklch(0.607 0.207 265.4)
Closest name: Blue Öyster Cult (#5577ee)Relative luminance 0.2125

Tints & shades

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

Harmonies

Complementary

Open in tool →

#fccb45

#45d1fc · #7045fc

#fc4576 · #76fc45

Split-complementary

Open in tool →

#fc7045 · #d1fc45

#fc45d1 · #fccb45 · #45fc70

Contrast

#4576fc as textRatioAAAA largeAAAFix
Aaon white
4:1failpassfail
  • AA: use #366bfc as the text (4.5:1)
  • AAA: use #0442ec as the text (7.01:1)
  • AA: or shift the background to #141414 (4.61:1)
Aaon black
5.25:1passpassfail
  • AAA: use #6d94fd as the text (7.3:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #4576fc 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

#4576fc reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #4576fc
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 #4576fc and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/4576fc-9ca2c4-df724e-221f2d-e9eff1?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