Color

#3574fd

#3574fd
hex#3574fd
rgbrgb(53, 116, 253)
hslhsl(221, 98%, 60%)
oklchoklch(0.598 0.215 263)
Closest name: Azure (#007fff)Relative luminance 0.2034

Tints & shades

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

Harmonies

Complementary

Open in tool →

#fdbe35

#35d8fd · #5a35fd

#fd3574 · #74fd35

Split-complementary

Open in tool →

#fd5a35 · #d8fd35

#fd35d8 · #fdbe35 · #35fd5a

Contrast

#3574fd as textRatioAAAA largeAAAFix
Aaon white
4.14:1failpassfail
  • AA: use #266afd as the text (4.6:1)
  • AAA: use #0248de as the text (7.04:1)
  • AA: or shift the background to #121212 (4.52:1)
Aaon black
5.07:1passpassfail
  • AAA: use #6294fd as the text (7.17:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #3574fd 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

#3574fd reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #3574fd
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 #3574fd and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3574fd-9ca4c4-df6b4e-211f2d-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