Color

#0058db

#0058db
hex#0058db
rgbrgb(0, 88, 219)
hslhsl(216, 100%, 43%)
oklchoklch(0.505 0.213 260.6)
Closest name: Bluetiful (#3c69e7)Relative luminance 0.1209

Tints & shades

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

Harmonies

Complementary

Open in tool →

#db8400

#00c5db · #1600db

#db0058 · #58db00

Split-complementary

Open in tool →

#db1600 · #c5db00

#db00c5 · #db8400 · #00db16

Contrast

#0058db as textRatioAAAA largeAAAFix
Aaon white
6.14:1passpassfail
  • AAA: use #0050c7 as the text (7.07:1)
Aaon black
3.42:1failpassfail
  • AA: use #0a6cff as the text (4.6:1)
  • AAA: use #5297ff as the text (7.23:1)
  • AA: or shift the background to #dedede (4.57:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #0058db as the background.

Brands using this color

Fonts for this mood

#0058db reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #0058db
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 #0058db and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/0058db-9ca7c4-df5f4e-201f2d-e9f0f1?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