Color

#3f95ca

#3f95ca
hex#3f95ca
rgbrgb(63, 149, 202)
hslhsl(203, 57%, 52%)
oklchoklch(0.641 0.114 239.2)
Closest name: Blue Burst (#309cd0)Relative luminance 0.2682

Tints & shades

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

Harmonies

Complementary

Open in tool →

#ca743f

#3fcaba · #3f4fca

#ca3f95 · #95ca3f

Split-complementary

Open in tool →

#ca3f4f · #caba3f

#ba3fca · #ca743f · #4fca3f

Contrast

#3f95ca as textRatioAAAA largeAAAFix
Aaon white
3.3:1failpassfail
  • AA: use #2f7cac as the text (4.57:1)
  • AAA: use #235c80 as the text (7.21:1)
  • AA: or shift the background to #262626 (4.59:1)
Aaon black
6.36:1passpassfail
  • AAA: use #4f9ecf 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 #3f95ca 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

#3f95ca reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #3f95ca
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 #3f95ca and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3f95ca-9cb0c4-df4e5d-1f222d-e9f1f0?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