Color

#381ae0

#381ae0
hex#381ae0
rgbrgb(56, 26, 224)
hslhsl(249, 79%, 49%)
oklchoklch(0.442 0.264 273.7)
Closest name: Lapis on Neptune (#1f22d2)Relative luminance 0.0696

Tints & shades

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

Harmonies

Complementary

Open in tool →

#c2e01a

#1a5fe0 · #9b1ae0

#e0381a · #1ae038

Split-complementary

Open in tool →

#e09b1a · #5fe01a

#e01a5f · #c2e01a · #1ae09b

Contrast

#381ae0 as textRatioAAAA largeAAAFix
Aaon white
8.78:1passpasspassPasses AAA — no fix needed.
Aaon black
2.39:1failfailfail
  • AA: use #745fec as the text (4.59:1)
  • AAA: use #9888f1 as the text (7.13:1)
  • AA: or shift the background to #bababa (4.52:1)
  • AAA: or shift the background to #e6e6e6 (7.03:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #381ae0 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

#381ae0 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #381ae0
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 #381ae0 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/381ae0-a79cc4-dfae4e-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