Color

#33345b

#33345b
hex#33345b
rgbrgb(51, 52, 91)
hslhsl(239, 28%, 28%)
oklchoklch(0.344 0.068 281.1)
Closest name: Deep Sea Base (#2c2c57)Relative luminance 0.0392

Colors that go with #33345b

Dark Olive Green, Steel Blue and Teal 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 →

#5b5b33

#33485b · #47335b

#5b3334 · #345b33

Split-complementary

Open in tool →

#5b4733 · #485b33

#5b3348 · #5b5b33 · #335b47

Contrast

#33345b as textRatioAAAA largeAAAFix
Aaon white
11.78:1passpasspassPasses AAA — no fix needed.
Aaon black
1.78:1failfailfail
  • AA: use #6f70ae as the text (4.6:1)
  • AAA: use #9091c1 as the text (7.01:1)
  • AA: or shift the background to #a1a1a1 (4.56:1)
  • AAA: or shift the background to #c9c9c9 (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 #33345b 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

#33345b reads as cool, muted, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #33345b
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 #33345b and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/33345b-a09cc4-df964e-251f2d-e9edf1?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