Color

#3875fa

#3875fa
hex#3875fa
rgbrgb(56, 117, 250)
hslhsl(221, 95%, 60%)
oklchoklch(0.599 0.209 263.1)
Closest name: Azure (#007fff)Relative luminance 0.2047

Tints & shades

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

Harmonies

Complementary

Open in tool →

#fabd38

#38d6fa · #5c38fa

#fa3875 · #75fa38

Split-complementary

Open in tool →

#fa5c38 · #d6fa38

#fa38d6 · #fabd38 · #38fa5c

Contrast

#3875fa as textRatioAAAA largeAAAFix
Aaon white
4.12:1failpassfail
  • AA: use #296bfa as the text (4.59:1)
  • AAA: use #0649db as the text (7.04:1)
  • AA: or shift the background to #121212 (4.54:1)
Aaon black
5.09:1passpassfail
  • AAA: use #6594fb as the text (7.18:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #3875fa 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

#3875fa reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #3875fa
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 #3875fa and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3875fa-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