Color

#357ac0

#357ac0
hex#357ac0
rgbrgb(53, 122, 192)
hslhsl(210, 57%, 48%)
oklchoklch(0.569 0.129 251.4)
Closest name: Haddock’s Sweater (#277aba)Relative luminance 0.1848

Tints & shades

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

Harmonies

Complementary

Open in tool →

#c07a35

#35c0c0 · #3535c0

#c0357a · #7ac035

Split-complementary

Open in tool →

#c03535 · #c0c035

#c035c0 · #c07a35 · #35c035

Contrast

#357ac0 as textRatioAAAA largeAAAFix
Aaon white
4.47:1failpassfail
  • AA: use #3478bc as the text (4.61:1)
  • AAA: use #26598c as the text (7.27:1)
  • AA: or shift the background to #050505 (4.56:1)
Aaon black
4.7:1passpassfail
  • AAA: use #639cd4 as the text (7.24:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #357ac0 as the background.

Brands using this color

Fonts for this mood

#357ac0 reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #357ac0
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 #357ac0 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/357ac0-9cabc4-df514e-1f202d-e9f1f1?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