Color

#241b83

#241b83
hex#241b83
rgbrgb(36, 27, 131)
hslhsl(245, 66%, 31%)
oklchoklch(0.32 0.163 275.8)
Closest name: Dramatic Blue (#240093)Relative luminance 0.028

Colors that go with #241b83

Steel Blue, Charcoal 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 →

#7b831b

#1b4683 · #581b83

#83241b · #1b8324

Split-complementary

Open in tool →

#83581b · #46831b

#831b46 · #7b831b · #1b8358

Contrast

#241b83 as textRatioAAAA largeAAAFix
Aaon white
13.47:1passpasspassPasses AAA — no fix needed.
Aaon black
1.56:1failfailfail
  • AA: use #7167e0 as the text (4.72:1)
  • AAA: use #948de8 as the text (7.23:1)
  • AA: or shift the background to #969696 (4.55:1)
  • AAA: or shift the background to #bdbdbd (7.17:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #241b83 as the background.

Brands using this color

Fonts for this mood

#241b83 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #241b83
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 #241b83 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/241b83-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