Color

#3928d2

#3928d2
hex#3928d2
rgbrgb(57, 40, 210)
hslhsl(246, 68%, 49%)
oklchoklch(0.439 0.24 274.5)
Closest name: Lapis on Neptune (#1f22d2)Relative luminance 0.0704

Tints & shades

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

Harmonies

Complementary

Open in tool →

#c1d228

#286cd2 · #8e28d2

#d23928 · #28d239

Split-complementary

Open in tool →

#d28e28 · #6cd228

#d2286c · #c1d228 · #28d28e

Contrast

#3928d2 as textRatioAAAA largeAAAFix
Aaon white
8.72:1passpasspassPasses AAA — no fix needed.
Aaon black
2.41:1failfailfail
  • AA: use #7165e2 as the text (4.66:1)
  • AAA: use #958be9 as the text (7.15:1)
  • AA: or shift the background to #bdbdbd (4.64:1)
  • AAA: or shift the background to #e8e8e8 (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 #3928d2 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

#3928d2 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #3928d2
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 #3928d2 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3928d2-a59cc4-dfa74e-271f2d-e9ecf1?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