Color

#251986

#251986
hex#251986
rgbrgb(37, 25, 134)
hslhsl(247, 69%, 31%)
oklchoklch(0.322 0.169 276.1)
Closest name: Dramatic Blue (#240093)Relative luminance 0.0281

Colors that go with #251986

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 →

#798619

#194286 · #5c1986

#862519 · #198625

Split-complementary

Open in tool →

#865c19 · #428619

#861942 · #798619 · #19865c

Contrast

#251986 as textRatioAAAA largeAAAFix
Aaon white
13.44:1passpasspassPasses AAA — no fix needed.
Aaon black
1.56:1failfailfail
  • AA: use #7364e3 as the text (4.66:1)
  • AAA: use #968bea as the text (7.18:1)
  • AA: or shift the background to #969696 (4.55:1)
  • AAA: or shift the background to #bdbdbd (7.16:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #251986 as the background.

Brands using this color

Fonts for this mood

#251986 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #251986
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 #251986 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/251986-a59cc4-dfaa4e-271f2d-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