Color

#251a89

#251a89
hex#251a89
rgbrgb(37, 26, 137)
hslhsl(246, 68%, 32%)
oklchoklch(0.327 0.171 275.6)
Closest name: Dramatic Blue (#240093)Relative luminance 0.0294

Tints & shades

Every swatch is its own page — click any to analyze it.

Harmonies

Complementary

Open in tool →

#7e891a

#1a4789 · #5d1a89

#89251a · #1a8925

Split-complementary

Open in tool →

#895d1a · #47891a

#891a47 · #7e891a · #1a895d

Contrast

#251a89 as textRatioAAAA largeAAAFix
Aaon white
13.23:1passpasspassPasses AAA — no fix needed.
Aaon black
1.59:1failfailfail
  • AA: use #7165e2 as the text (4.66:1)
  • AAA: use #958be9 as the text (7.15:1)
  • AA: or shift the background to #999999 (4.64:1)
  • AAA: or shift the background to #bdbdbd (7.04:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #251a89 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

#251a89 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #251a89
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — generate_palette, check_contrast, analyze_color — read-only, no key. Every palette it proposes comes with a /palettes/new/… link: open it, lock what you like, paste the link back.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #251a89 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/251a89-a59cc4-dfa74e-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