Color

#255183

#255183
hex#255183
rgbrgb(37, 81, 131)
hslhsl(212, 56%, 33%)
oklchoklch(0.43 0.096 253.4)
Closest name: Assassin (#2d4f83)Relative luminance 0.0792

Tints & shades

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

Harmonies

Complementary

Open in tool →

#835725

#258083 · #282583

#832551 · #518325

Split-complementary

Open in tool →

#832825 · #808325

#832580 · #835725 · #258328

Contrast

#255183 as textRatioAAAA largeAAAFix
Aaon white
8.13:1passpasspassPasses AAA — no fix needed.
Aaon black
2.58:1failfailfail
  • AA: use #3676bf as the text (4.5:1)
  • AAA: use #689ad4 as the text (7.16:1)
  • AA: or shift the background to #c2c2c2 (4.56:1)
  • AAA: or shift the background to #f0f0f0 (7.13:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #255183 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

#255183 reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #255183
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 #255183 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/255183-9caac4-df564e-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