Color

#3a86ff

#3a86ff
hex#3a86ff
rgbrgb(58, 134, 255)
hslhsl(217, 100%, 61%)
oklchoklch(0.637 0.195 259.5)
Closest name: dodgerblue (#1e90ff)Relative luminance 0.2517

Tints & shades

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

Harmonies

Complementary

Open in tool →

#ffb338

#38e8ff · #4f38ff

#ff3884 · #84ff38

Split-complementary

Open in tool →

#ff4f38 · #e8ff38

#ff38e8 · #ffb338 · #38ff4f

Contrast

#3a86ff as textRatioAAAA largeAAAFix
Aaon white
3.48:1failpassfail
  • AA: use #0f6bff as the text (4.6:1)
  • AAA: use #004ecc as the text (7.09:1)
  • AA: or shift the background to #212121 (4.63:1)
Aaon black
6.03:1passpassfail
  • AAA: use #5294ff as the text (7.04:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #3a86ff as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#3a86ff reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #3a86ff
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 #3a86ff and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3a86ff-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