Color

#33759e

#33759e
hex#33759e
rgbrgb(51, 117, 158)
hslhsl(203, 51%, 41%)
oklchoklch(0.538 0.093 239.1)
Closest name: Cry Me a River (#427898)Relative luminance 0.159

Colors that go with #33759e

Charcoal, Royal Blue 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 →

#9e5c33

#339e91 · #33409e

#9e3375 · #759e33

Split-complementary

Open in tool →

#9e3340 · #9e9133

#91339e · #9e5c33 · #409e33

Contrast

#33759e as textRatioAAAA largeAAAFix
Aaon white
5.03:1passpassfail
  • AAA: use #285b7b as the text (7.31:1)
Aaon black
4.18:1failpassfail
  • AA: use #367ba6 as the text (4.54:1)
  • AAA: use #599ec9 as the text (7.16:1)
  • AA: or shift the background to #f5f5f5 (4.61:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #33759e 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

#33759e reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #33759e
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 #33759e and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/33759e-9cb0c4-df4e5d-1f222d-e9f1f0?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