Color

#33436b

#33436b
hex#33436b
rgbrgb(51, 67, 107)
hslhsl(223, 35%, 31%)
oklchoklch(0.389 0.071 266.6)
Closest name: Blue Funk (#2d4470)Relative luminance 0.0578

Colors that go with #33436b

Steel Blue, 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 →

#6b5b33

#335f6b · #3f336b

#6b3343 · #436b33

Split-complementary

Open in tool →

#6b3f33 · #5f6b33

#6b335f · #6b5b33 · #336b3f

Contrast

#33436b as textRatioAAAA largeAAAFix
Aaon white
9.74:1passpasspassPasses AAA — no fix needed.
Aaon black
2.16:1failfailfail
  • AA: use #5d75b1 as the text (4.64:1)
  • AAA: use #8395c3 as the text (7.05:1)
  • AA: or shift the background to #b3b3b3 (4.65:1)
  • AAA: or shift the background to #dbdbdb (7.04:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #33436b as the background.

Brands using this color

Fonts for this mood

#33436b reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #33436b
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 #33436b and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/33436b-9ca3c4-df704e-211f2d-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