Color

#30657e

#30657e
hex#30657e
rgbrgb(48, 101, 126)
hslhsl(199, 45%, 34%)
oklchoklch(0.481 0.069 231)
Closest name: Atlantis (#336172)Relative luminance 0.1144

Tints & shades

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

Harmonies

Complementary

Open in tool →

#7e4830

#307e6f · #303e7e

#7e3065 · #657e30

Split-complementary

Open in tool →

#7e303e · #7e6f30

#6f307e · #7e4830 · #3e7e30

Contrast

#30657e as textRatioAAAA largeAAAFix
Aaon white
6.39:1passpassfail
  • AAA: use #2b5c73 as the text (7.29:1)
Aaon black
3.29:1failpassfail
  • AA: use #3b7d9b as the text (4.59:1)
  • AAA: use #599fc0 as the text (7.15:1)
  • AA: or shift the background to #d9d9d9 (4.52:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #30657e 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

#30657e reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #30657e
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 #30657e and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/30657e-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