Color

#333648

#333648
hex#333648
rgbrgb(51, 54, 72)
hslhsl(231, 17%, 24%)
oklchoklch(0.338 0.032 277.2)
Closest name: After Midnight (#38393f)Relative luminance 0.0381

Colors that go with #333648

Dark Olive Green, Sea Green and Sienna 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 →

#484433

#334048 · #3a3348

#483336 · #364833

Split-complementary

Open in tool →

#483a33 · #404833

#483340 · #484433 · #33483a

Contrast

#333648 as textRatioAAAA largeAAAFix
Aaon white
11.92:1passpasspassPasses AAA — no fix needed.
Aaon black
1.76:1failfailfail
  • AA: use #6d7397 as the text (4.55:1)
  • AAA: use #9195b1 as the text (7.14:1)
  • AA: or shift the background to #a1a1a1 (4.61:1)
  • AAA: or shift the background to #c7c7c7 (7.05:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #333648 as the background.

Brands using this color

Fonts for this mood

#333648 reads as cool, muted, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #333648
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 #333648 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/333648-9c9ec4-df834e-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