Color

#255383

#255383
hex#255383
rgbrgb(37, 83, 131)
hslhsl(211, 56%, 33%)
oklchoklch(0.435 0.094 251.7)
Closest name: Assassin (#2d4f83)Relative luminance 0.0822

Tints & shades

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

Harmonies

Complementary

Open in tool →

#835625

#258283 · #272583

#832553 · #538325

Split-complementary

Open in tool →

#832725 · #828325

#832582 · #835625 · #258327

Contrast

#255383 as textRatioAAAA largeAAAFix
Aaon white
7.94:1passpasspassPasses AAA — no fix needed.
Aaon black
2.64:1failfailfail
  • AA: use #3678bf as the text (4.6:1)
  • AAA: use #649ad3 as the text (7.1:1)
  • AA: or shift the background to #c4c4c4 (4.55:1)
  • AAA: or shift the background to #f2f2f2 (7.1:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #255383 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

#255383 reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #255383
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 #255383 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/255383-9cabc4-df534e-1f202d-e9f1f1?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