Color

#5890bb

#5890bb
hex#5890bb
rgbrgb(88, 144, 187)
hslhsl(206, 42%, 54%)
oklchoklch(0.632 0.088 242.9)
Closest name: Canadian Tuxedo (#579aca)Relative luminance 0.2561

Tints & shades

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

Harmonies

Complementary

Open in tool →

#bb8358

#58bbb4 · #585fbb

#bb5890 · #90bb58

Split-complementary

Open in tool →

#bb585f · #bbb458

#b458bb · #bb8358 · #5fbb58

Contrast

#5890bb as textRatioAAAA largeAAAFix
Aaon white
3.43:1failpassfail
  • AA: use #4379a3 as the text (4.66:1)
  • AAA: use #325c7b as the text (7.11:1)
  • AA: or shift the background to #242424 (4.53:1)
Aaon black
6.12:1passpassfail
  • AAA: use #6b9cc2 as the text (7.16:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #5890bb 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

#5890bb reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #5890bb
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 #5890bb and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/5890bb-9caec4-df4e56-1f212d-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