Color

#5977ee

#5977ee
hex#5977ee
rgbrgb(89, 119, 238)
hslhsl(228, 81%, 64%)
oklchoklch(0.608 0.182 269.7)
Closest name: Blue Öyster Cult (#5577ee)Relative luminance 0.2149

Tints & shades

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

Harmonies

Complementary

Open in tool →

#eed059

#59c1ee · #8559ee

#ee5977 · #77ee59

Split-complementary

Open in tool →

#ee8559 · #c1ee59

#ee59c1 · #eed059 · #59ee85

Contrast

#5977ee as textRatioAAAA largeAAAFix
Aaon white
3.96:1failpassfail
  • AA: use #4b6bec as the text (4.55:1)
  • AAA: use #1842e7 as the text (7.07:1)
  • AA: or shift the background to #171717 (4.52:1)
Aaon black
5.3:1passpassfail
  • AAA: use #7991f1 as the text (7.13:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #5977ee as the background.

Brands using this color

Fonts for this mood

#5977ee reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #5977ee
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 #5977ee and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/5977ee-9c9fc4-df7c4e-231f2d-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