Color

#258598

#258598
hex#258598
rgbrgb(37, 133, 152)
hslhsl(190, 61%, 37%)
oklchoklch(0.571 0.09 214.1)
Closest name: Ahoy! Blue (#0082a1)Relative luminance 0.1944

Tints & shades

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

Harmonies

Complementary

Open in tool →

#983825

#259872 · #254b98

#982585 · #859825

Split-complementary

Open in tool →

#98254b · #987225

#722598 · #983825 · #4b9825

Contrast

#258598 as textRatioAAAA largeAAAFix
Aaon white
4.3:1failpassfail
  • AA: use #248194 as the text (4.52:1)
  • AAA: use #1b616f as the text (7.03:1)
  • AA: or shift the background to #0d0d0d (4.52:1)
Aaon black
4.89:1passpassfail
  • AAA: use #2ea5bd as the text (7.23:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #258598 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

#258598 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #258598
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 #258598 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/258598-a2b6be-df4e7c-1f252d-e9f1ef?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