Color

#33388e

#33388e
hex#33388e
rgbrgb(51, 56, 142)
hslhsl(237, 47%, 38%)
oklchoklch(0.39 0.14 275.3)
Closest name: Bluebell (#333399)Relative luminance 0.0549

Colors that go with #33388e

Charcoal, Steel Blue 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 →

#8e8a33

#33658e · #5c338e

#8e3338 · #388e33

Split-complementary

Open in tool →

#8e5c33 · #658e33

#8e3365 · #8e8a33 · #338e5c

Contrast

#33388e as textRatioAAAA largeAAAFix
Aaon white
10.01:1passpasspassPasses AAA — no fix needed.
Aaon black
2.1:1failfailfail
  • AA: use #696ec9 as the text (4.67:1)
  • AAA: use #8f92d6 as the text (7.25:1)
  • AA: or shift the background to #b0b0b0 (4.62:1)
  • AAA: or shift the background to #d9d9d9 (7.09:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #33388e 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

#33388e reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #33388e
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 #33388e and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/33388e-9f9cc4-df924e-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