Color

#358bc0

#358bc0
hex#358bc0
rgbrgb(53, 139, 192)
hslhsl(203, 57%, 48%)
oklchoklch(0.609 0.114 239.8)
Closest name: steelblue (#4682b4)Relative luminance 0.2303

Tints & shades

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

Harmonies

Complementary

Open in tool →

#c06a35

#35c0b0 · #3545c0

#c0358b · #8bc035

Split-complementary

Open in tool →

#c03545 · #c0b035

#b035c0 · #c06a35 · #45c035

Contrast

#358bc0 as textRatioAAAA largeAAAFix
Aaon white
3.75:1failpassfail
  • AA: use #2f7cac as the text (4.57:1)
  • AAA: use #235c80 as the text (7.21:1)
  • AA: or shift the background to #1c1c1c (4.55:1)
Aaon black
5.61:1passpassfail
  • AAA: use #4f9ecf as the text (7.12:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #358bc0 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

#358bc0 reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #358bc0
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 #358bc0 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/358bc0-9cb0c4-df4e5d-1f222d-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