Color

#2b2197

#2b2197
hex#2b2197
rgbrgb(43, 33, 151)
hslhsl(245, 64%, 36%)
oklchoklch(0.356 0.181 275.8)
Closest name: Depths of Night (#2c319b)Relative luminance 0.0384

Colors that go with #2b2197

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 →

#8d9721

#215297 · #662197

#972b21 · #21972b

Split-complementary

Open in tool →

#976621 · #529721

#972152 · #8d9721 · #219766

Contrast

#2b2197 as textRatioAAAA largeAAAFix
Aaon white
11.88:1passpasspassPasses AAA — no fix needed.
Aaon black
1.77:1failfailfail
  • AA: use #6e64dd as the text (4.53:1)
  • AAA: use #958ee6 as the text (7.29:1)
  • AA: or shift the background to #a1a1a1 (4.6:1)
  • AAA: or shift the background to #c7c7c7 (7.03:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #2b2197 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

#2b2197 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #2b2197
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 #2b2197 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/2b2197-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