Color

#3e485b

#3e485b
hex#3e485b
rgbrgb(62, 72, 91)
hslhsl(219, 19%, 30%)
oklchoklch(0.401 0.035 263.1)
Closest name: Abyssal (#404c57)Relative luminance 0.0641

Colors that go with #3e485b

Steel Blue, Sienna and Blue 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 →

#5b513e

#3e575b · #423e5b

#5b3e48 · #485b3e

Split-complementary

Open in tool →

#5b423e · #575b3e

#5b3e57 · #5b513e · #3e5b42

Contrast

#3e485b as textRatioAAAA largeAAAFix
Aaon white
9.2:1passpasspassPasses AAA — no fix needed.
Aaon black
2.28:1failfailfail
  • AA: use #657695 as the text (4.58:1)
  • AAA: use #8996ae as the text (7.04:1)
  • AA: or shift the background to #b8b8b8 (4.64:1)
  • AAA: or shift the background to #e3e3e3 (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 #3e485b as the background.

Brands using this color

Fonts for this mood

#3e485b reads as cool, muted, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #3e485b
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 #3e485b and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3e485b-9ca5c4-df664e-211f2d-e9f0f1?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