Color

#3126f7

#3126f7
hex#3126f7
rgbrgb(49, 38, 247)
hslhsl(243, 93%, 56%)
oklchoklch(0.475 0.283 270.2)
Closest name: Blustering Blue (#4411ff)Relative luminance 0.0875

Tints & shades

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

Harmonies

Complementary

Open in tool →

#edf726

#2684f7 · #9926f7

#f73126 · #26f731

Split-complementary

Open in tool →

#f79926 · #84f726

#f72684 · #edf726 · #26f799

Contrast

#3126f7 as textRatioAAAA largeAAAFix
Aaon white
7.63:1passpasspassPasses AAA — no fix needed.
Aaon black
2.75:1failfailfail
  • AA: use #6962f9 as the text (4.72:1)
  • AAA: use #8f89fb as the text (7.14:1)
  • AA: or shift the background to #c7c7c7 (4.52:1)
  • AAA: or shift the background to #f5f5f5 (7:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #3126f7 as the background.

Brands using this color

Fonts for this mood

#3126f7 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #3126f7
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 #3126f7 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3126f7-a39cc4-dfa04e-261f2d-e9edf1?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