Color

#3e425b

#3e425b
hex#3e425b
rgbrgb(62, 66, 91)
hslhsl(232, 19%, 30%)
oklchoklch(0.386 0.043 277.2)
Closest name: Bonne Nuit (#3a4866)Relative luminance 0.0568

Colors that go with #3e425b

Sea Green, Steel Blue and Dark Olive Green lead the list. Each partner is a real named colour with the reason it works — a wheel relationship, a neutral that carries it, or a pairing lifted from a palette or brand system that actually shipped — and every pair opens in the palette tool.

Tints & shades

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

Harmonies

Complementary

Open in tool →

#5b573e

#3e505b · #493e5b

#5b3e42 · #425b3e

Split-complementary

Open in tool →

#5b493e · #505b3e

#5b3e50 · #5b573e · #3e5b49

Contrast

#3e425b as textRatioAAAA largeAAAFix
Aaon white
9.84:1passpasspassPasses AAA — no fix needed.
Aaon black
2.14:1failfailfail
  • AA: use #6d749c as the text (4.63:1)
  • AAA: use #8f94b3 as the text (7.05:1)
  • AA: or shift the background to #b0b0b0 (4.54:1)
  • AAA: or shift the background to #dbdbdb (7.1:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #3e425b as the background.

Brands using this color

Fonts for this mood

#3e425b reads as cool, muted, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #3e425b
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — direct_palette, edit_direction, check_palette, check_contrast — read-only, no key. Every direction it proposes comes with a /colors/d/… link: open it, lock what you like, paste the link back, and the agent edits rather than re-rolls.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #3e425b and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3e425b-9c9dc4-df864e-231f2d-e9eef1?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