Color

#257464

#257464
hex#257464
rgbrgb(37, 116, 100)
hslhsl(168, 52%, 30%)
oklchoklch(0.507 0.08 176.8)
Closest name: Green Sleeves (#39766c)Relative luminance 0.138

Colors that go with #257464

Charcoal, Crimson and Medium Violet Red 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.

Real palettes that use #257464

Tints & shades

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

Harmonies

Complementary

Open in tool →

#742535

#25743d · #255c74

#642574 · #746425

Split-complementary

Open in tool →

#74255c · #743d25

#3d2574 · #742535 · #5c7425

Contrast

#257464 as textRatioAAAA largeAAAFix
Aaon white
5.58:1passpassfail
  • AAA: use #1f6154 as the text (7.25:1)
Aaon black
3.76:1failpassfail
  • AA: use #2a8472 as the text (4.64:1)
  • AAA: use #35a790 as the text (7.08:1)
  • AA: or shift the background to #e8e8e8 (4.56:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #257464 as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#257464 reads as dark, luxury, bold. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #257464
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 #257464 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/257464-a2bebc-d459ad-1f2a2d-e9f1ec?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