Color

#4059bf

#4059bf
hex#4059bf
rgbrgb(64, 89, 191)
hslhsl(228, 50%, 50%)
oklchoklch(0.502 0.162 269.4)
Closest name: Blasphemous Blue (#3356aa)Relative luminance 0.12

Tints & shades

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

Harmonies

Complementary

Open in tool →

#bfa640

#4099bf · #6640bf

#bf4059 · #59bf40

Split-complementary

Open in tool →

#bf6640 · #99bf40

#bf4099 · #bfa640 · #40bf66

Contrast

#4059bf as textRatioAAAA largeAAAFix
Aaon white
6.18:1passpassfail
  • AAA: use #3950ac as the text (7.2:1)
Aaon black
3.4:1failpassfail
  • AA: use #5b70c8 as the text (4.6:1)
  • AAA: use #8192d5 as the text (7.01:1)
  • AA: or shift the background to #dedede (4.59:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #4059bf as the background.

Brands using this color

Fonts for this mood

#4059bf reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #4059bf
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 #4059bf and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/4059bf-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