Color

#3545f8

#3545f8
hex#3545f8
rgbrgb(53, 69, 248)
hslhsl(235, 93%, 59%)
oklchoklch(0.513 0.26 269.4)
Closest name: C64 Blue (#003aff)Relative luminance 0.1179

Tints & shades

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

Harmonies

Complementary

Open in tool →

#f8e735

#35a7f8 · #8635f8

#f83545 · #45f835

Split-complementary

Open in tool →

#f88635 · #a7f835

#f835a7 · #f8e735 · #35f886

Contrast

#3545f8 as textRatioAAAA largeAAAFix
Aaon white
6.25:1passpassfail
  • AAA: use #2638f7 as the text (7.02:1)
Aaon black
3.36:1failpassfail
  • AA: use #5865f9 as the text (4.64:1)
  • AAA: use #848efb as the text (7.24:1)
  • AA: or shift the background to #dbdbdb (4.52:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #3545f8 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

#3545f8 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #3545f8
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 #3545f8 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3545f8-9e9cc4-df8d4e-241f2d-e9eef1?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