Color

#333642

#333642
hex#333642
rgbrgb(51, 54, 66)
hslhsl(228, 13%, 23%)
oklchoklch(0.335 0.022 274.2)
Closest name: After Midnight (#38393f)Relative luminance 0.0374

Colors that go with #333642

Amber, Blue and Blush Pink 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 →

#423f33

#333e42 · #383342

#423336 · #364233

Split-complementary

Open in tool →

#423833 · #3e4233

#42333e · #423f33 · #334238

Contrast

#333642 as textRatioAAAA largeAAAFix
Aaon white
12.02:1passpasspassPasses AAA — no fix needed.
Aaon black
1.75:1failfailfail
  • AA: use #6f7690 as the text (4.67:1)
  • AAA: use #9297ab as the text (7.24:1)
  • AA: or shift the background to #a1a1a1 (4.65:1)
  • AAA: or shift the background to #c7c7c7 (7.11:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #333642 as the background.

Brands using this color

Fonts for this mood

#333642 reads as cool, muted, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #333642
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 #333642 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/333642-9c9fc4-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