Color

#3570ed

#3570ed
hex#3570ed
rgbrgb(53, 112, 237)
hslhsl(221, 84%, 57%)
oklchoklch(0.578 0.199 262.8)
Closest name: Bluetiful (#3c69e7)Relative luminance 0.1846

Tints & shades

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

Harmonies

Complementary

Open in tool →

#edb335

#35cced · #5735ed

#ed3570 · #70ed35

Split-complementary

Open in tool →

#ed5735 · #cced35

#ed35cc · #edb335 · #35ed57

Contrast

#3570ed as textRatioAAAA largeAAAFix
Aaon white
4.48:1failpassfail
  • AA: use #316ced as the text (4.67:1)
  • AAA: use #124cca as the text (7.21:1)
  • AA: or shift the background to #050505 (4.55:1)
Aaon black
4.69:1passpassfail
  • AAA: use #6994f2 as the text (7.12:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #3570ed 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

#3570ed reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #3570ed
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 #3570ed and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3570ed-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