Color

#251e8a

#251e8a
hex#251e8a
rgbrgb(37, 30, 138)
hslhsl(244, 64%, 33%)
oklchoklch(0.333 0.169 275)
Closest name: Dramatic Blue (#240093)Relative luminance 0.0316

Colors that go with #251e8a

Steel Blue, Blue and Charcoal 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 →

#838a1e

#1e4d8a · #5b1e8a

#8a251e · #1e8a25

Split-complementary

Open in tool →

#8a5b1e · #4d8a1e

#8a1e4d · #838a1e · #1e8a5b

Contrast

#251e8a as textRatioAAAA largeAAAFix
Aaon white
12.87:1passpasspassPasses AAA — no fix needed.
Aaon black
1.63:1failfailfail
  • AA: use #6c64dd as the text (4.5:1)
  • AAA: use #948ee6 as the text (7.27:1)
  • AA: or shift the background to #999999 (4.52:1)
  • AAA: or shift the background to #bfbfbf (7:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #251e8a 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

#251e8a reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #251e8a
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 #251e8a and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/251e8a-a39cc4-dfa24e-261f2d-e9edf1?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