Color

#586bda

#586bda
hex#586bda
rgbrgb(88, 107, 218)
hslhsl(231, 64%, 60%)
oklchoklch(0.571 0.17 272.6)
Closest name: royalblue (#4169e1)Relative luminance 0.1765

Tints & shades

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

Harmonies

Complementary

Open in tool →

#dac758

#58adda · #8558da

#da586b · #6bda58

Split-complementary

Open in tool →

#da8558 · #adda58

#da58ad · #dac758 · #58da85

Contrast

#586bda as textRatioAAAA largeAAAFix
Aaon white
4.64:1passpassfail
  • AAA: use #2e46d1 as the text (7.21:1)
Aaon black
4.53:1passpassfail
  • AAA: use #8290e3 as the text (7.05:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #586bda as the background.

Brands using this color

Fonts for this mood

#586bda reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #586bda
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 #586bda and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/586bda-9c9ec4-df834e-231f2d-e9eef1?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