Color

#3e79ef

#3e79ef
hex#3e79ef
rgbrgb(62, 121, 239)
hslhsl(220, 85%, 59%)
oklchoklch(0.601 0.189 262.3)
Closest name: Blue Öyster Cult (#5577ee)Relative luminance 0.2093

Tints & shades

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

Harmonies

Complementary

Open in tool →

#efb43e

#3ed2ef · #5b3eef

#ef3e79 · #79ef3e

Split-complementary

Open in tool →

#ef5b3e · #d2ef3e

#ef3ed2 · #efb43e · #3eef5b

Contrast

#3e79ef as textRatioAAAA largeAAAFix
Aaon white
4.05:1failpassfail
  • AA: use #2f6fee as the text (4.54:1)
  • AAA: use #104dc6 as the text (7.24:1)
  • AA: or shift the background to #141414 (4.55:1)
Aaon black
5.19:1passpassfail
  • AAA: use #6896f3 as the text (7.25:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #3e79ef 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

#3e79ef reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #3e79ef
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 #3e79ef and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3e79ef-9ca5c4-df694e-211f2d-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