Color

#251f47

#251f47
hex#251f47
rgbrgb(37, 31, 71)
hslhsl(249, 39%, 20%)
oklchoklch(0.269 0.072 287.4)
Closest name: Azulado (#211d49)Relative luminance 0.0183

Tints & shades

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

Harmonies

Complementary

Open in tool →

#41471f

#1f2d47 · #391f47

#47251f · #1f4725

Split-complementary

Open in tool →

#47391f · #2d471f

#471f2d · #41471f · #1f4739

Contrast

#251f47 as textRatioAAAA largeAAAFix
Aaon white
15.38:1passpasspassPasses AAA — no fix needed.
Aaon black
1.37:1failfailfail
  • AA: use #776abe as the text (4.59:1)
  • AAA: use #978ecd as the text (7.07:1)
  • AA: or shift the background to #8c8c8c (4.57:1)
  • AAA: or shift the background to #b0b0b0 (7.09:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #251f47 as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

Palettes built around it

Fonts for this mood

#251f47 reads as cool, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #251f47
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 #251f47 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/251f47-a79cc4-dfae4e-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