Color

#588abb

#588abb
hex#588abb
rgbrgb(88, 138, 187)
hslhsl(210, 42%, 54%)
oklchoklch(0.618 0.092 249.1)
Closest name: steelblue (#4682b4)Relative luminance 0.2384

Tints & shades

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

Harmonies

Complementary

Open in tool →

#bb8a58

#58bbbb · #5858bb

#bb588a · #8abb58

Split-complementary

Open in tool →

#bb5858 · #bbbb58

#bb58bb · #bb8a58 · #58bb58

Contrast

#588abb as textRatioAAAA largeAAAFix
Aaon white
3.64:1failpassfail
  • AA: use #477aae as the text (4.5:1)
  • AAA: use #34597f as the text (7.29:1)
  • AA: or shift the background to #1f1f1f (4.53:1)
Aaon black
5.77:1passpassfail
  • AAA: use #6e99c4 as the text (7.02:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #588abb 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

#588abb reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #588abb
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 #588abb and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/588abb-9cabc4-df514e-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