Color

#5b79dc

#5b79dc
hex#5b79dc
rgbrgb(91, 121, 220)
hslhsl(226, 65%, 61%)
oklchoklch(0.602 0.154 268.8)
Closest name: Blue Öyster Cult (#5577ee)Relative luminance 0.2107

Tints & shades

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

Harmonies

Complementary

Open in tool →

#dcbe5b

#5bbadc · #7d5bdc

#dc5b79 · #79dc5b

Split-complementary

Open in tool →

#dc7d5b · #badc5b

#dc5bba · #dcbe5b · #5bdc7d

Contrast

#5b79dc as textRatioAAAA largeAAAFix
Aaon white
4.03:1failpassfail
  • AA: use #4e6fda as the text (4.56:1)
  • AAA: use #294dc2 as the text (7.16:1)
  • AA: or shift the background to #141414 (4.57:1)
Aaon black
5.21:1passpassfail
  • AAA: use #7d95e3 as the text (7.28:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #5b79dc as the background.

Brands using this color

Fonts for this mood

#5b79dc reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #5b79dc
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 #5b79dc and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/5b79dc-9ca1c4-df774e-221f2d-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