Color

#5b89ec

#5b89ec
hex#5b89ec
rgbrgb(91, 137, 236)
hslhsl(221, 79%, 64%)
oklchoklch(0.644 0.157 263.8)
Closest name: Blue Jay (#5588dd)Relative luminance 0.2617

Tints & shades

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

Harmonies

Complementary

Open in tool →

#ecbe5b

#5bd1ec · #755bec

#ec5b89 · #89ec5b

Split-complementary

Open in tool →

#ec755b · #d1ec5b

#ec5bd1 · #ecbe5b · #5bec75

Contrast

#5b89ec as textRatioAAAA largeAAAFix
Aaon white
3.37:1failpassfail
  • AA: use #366ee7 as the text (4.62:1)
  • AAA: use #174ec4 as the text (7.18:1)
  • AA: or shift the background to #242424 (4.61:1)
Aaon black
6.23:1passpassfail
  • AAA: use #6d96ee as the text (7.25:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #5b89ec 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

#5b89ec reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #5b89ec
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 #5b89ec and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/5b89ec-9ca4c4-df6b4e-211f2d-e9eff1?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