Color

#256c8d

#256c8d
hex#256c8d
rgbrgb(37, 108, 141)
hslhsl(199, 58%, 35%)
oklchoklch(0.503 0.087 232.5)
Closest name: Chill of the Night (#256d8d)Relative luminance 0.1304

Tints & shades

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

Harmonies

Complementary

Open in tool →

#8d4625

#258d7a · #25388d

#8d256c · #6c8d25

Split-complementary

Open in tool →

#8d2538 · #8d7a25

#7a258d · #8d4625 · #388d25

Contrast

#256c8d as textRatioAAAA largeAAAFix
Aaon white
5.82:1passpassfail
  • AAA: use #205d79 as the text (7.23:1)
Aaon black
3.61:1failpassfail
  • AA: use #2b7ca1 as the text (4.5:1)
  • AAA: use #3e9fcc as the text (7.04:1)
  • AA: or shift the background to #e3e3e3 (4.53:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #256c8d 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

#256c8d reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #256c8d
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 #256c8d and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/256c8d-9cb3c4-df4e66-1f232d-e9f1f0?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