Color

#3e4e8e

#3e4e8e
hex#3e4e8e
rgbrgb(62, 78, 142)
hslhsl(228, 39%, 40%)
oklchoklch(0.443 0.107 270.9)
Closest name: Assassin (#2d4f83)Relative luminance 0.0843

Tints & shades

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

Harmonies

Complementary

Open in tool →

#8e7e3e

#3e768e · #563e8e

#8e3e4e · #4e8e3e

Split-complementary

Open in tool →

#8e563e · #768e3e

#8e3e76 · #8e7e3e · #3e8e56

Contrast

#3e4e8e as textRatioAAAA largeAAAFix
Aaon white
7.82:1passpasspassPasses AAA — no fix needed.
Aaon black
2.69:1failfailfail
  • AA: use #5f71b9 as the text (4.55:1)
  • AAA: use #8694ca as the text (7.1:1)
  • AA: or shift the background to #c7c7c7 (4.63:1)
  • AAA: or shift the background to #f5f5f5 (7.17:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #3e4e8e 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

#3e4e8e reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #3e4e8e
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 #3e4e8e and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3e4e8e-9c9fc4-df7c4e-231f2d-e9eff1?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