Color

#4588bf

#4588bf
hex#4588bf
rgbrgb(69, 136, 191)
hslhsl(207, 49%, 51%)
oklchoklch(0.607 0.108 245.7)
Closest name: steelblue (#4682b4)Relative luminance 0.2264

Tints & shades

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

Harmonies

Complementary

Open in tool →

#bf7c45

#45bfb9 · #454bbf

#bf4588 · #88bf45

Split-complementary

Open in tool →

#bf454b · #bfb945

#b945bf · #bf7c45 · #4bbf45

Contrast

#4588bf as textRatioAAAA largeAAAFix
Aaon white
3.8:1failpassfail
  • AA: use #3c7baf as the text (4.52:1)
  • AAA: use #2c5b81 as the text (7.19:1)
  • AA: or shift the background to #1a1a1a (4.58:1)
Aaon black
5.53:1passpassfail
  • AAA: use #639cca as the text (7.14:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #4588bf 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

#4588bf reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #4588bf
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 #4588bf and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/4588bf-9cadc4-df4e53-1f212d-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