Color

#3576de

#3576de
hex#3576de
rgbrgb(53, 118, 222)
hslhsl(217, 72%, 54%)
oklchoklch(0.58 0.172 259.5)
Closest name: royalblue (#4169e1)Relative luminance 0.1899

Tints & shades

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

Harmonies

Complementary

Open in tool →

#de9d35

#35cade · #4935de

#de3576 · #76de35

Split-complementary

Open in tool →

#de4935 · #cade35

#de35ca · #de9d35 · #35de49

Contrast

#3576de as textRatioAAAA largeAAAFix
Aaon white
4.38:1failpassfail
  • AA: use #3173dd as the text (4.54:1)
  • AAA: use #1d55af as the text (7.07:1)
  • AA: or shift the background to #0a0a0a (4.52:1)
Aaon black
4.8:1passpassfail
  • AAA: use #6597e6 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 #3576de 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

#3576de reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #3576de
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 #3576de and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3576de-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