Color

#058dcc

#058dcc
hex#058dcc
rgbrgb(5, 141, 204)
hslhsl(199, 95%, 41%)
oklchoklch(0.612 0.137 238.9)
Closest name: steelblue (#4682b4)Relative luminance 0.2344

Tints & shades

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

Harmonies

Complementary

Open in tool →

#cc4405

#05cca7 · #052acc

#cc058d · #8dcc05

Split-complementary

Open in tool →

#cc052a · #cca705

#a705cc · #cc4405 · #2acc05

Contrast

#058dcc as textRatioAAAA largeAAAFix
Aaon white
3.69:1failpassfail
  • AA: use #057cb3 as the text (4.63:1)
  • AAA: use #035d86 as the text (7.21:1)
  • AA: or shift the background to #1c1c1c (4.62:1)
Aaon black
5.69:1passpassfail
  • AAA: use #069ee5 as the text (7.03:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #058dcc as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

Fonts for this mood

#058dcc reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #058dcc
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 #058dcc and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/058dcc-9cb3c4-df4e66-1f232d-e9f1f0?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