Color

#211797

#211797
hex#211797
rgbrgb(33, 23, 151)
hslhsl(245, 74%, 34%)
oklchoklch(0.337 0.192 272.6)
Closest name: Dramatic Blue (#240093)Relative luminance 0.0317

Colors that go with #211797

Steel Blue, Blue and Crimson 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 →

#8c9717

#174c97 · #611797

#972117 · #179721

Split-complementary

Open in tool →

#976117 · #4c9717

#97174c · #8c9717 · #179761

Contrast

#211797 as textRatioAAAA largeAAAFix
Aaon white
12.85:1passpasspassPasses AAA — no fix needed.
Aaon black
1.63:1failfailfail
  • AA: use #6f64e8 as the text (4.66:1)
  • AAA: use #948cee as the text (7.25:1)
  • AA: or shift the background to #999999 (4.51:1)
  • AAA: or shift the background to #c2c2c2 (7.21:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #211797 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

#211797 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #211797
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 #211797 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/211797-a49cc4-dfa54e-261f2d-e9ecf1?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