Color

#30475f

#30475f
hex#30475f
rgbrgb(48, 71, 95)
hslhsl(211, 33%, 28%)
oklchoklch(0.39 0.05 250.2)
Closest name: Bluedgeons (#324c64)Relative luminance 0.0596

Tints & shades

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

Harmonies

Complementary

Open in tool →

#5f4830

#305e5f · #31305f

#5f3047 · #475f30

Split-complementary

Open in tool →

#5f3130 · #5e5f30

#5f305e · #5f4830 · #305f31

Contrast

#30475f as textRatioAAAA largeAAAFix
Aaon white
9.58:1passpasspassPasses AAA — no fix needed.
Aaon black
2.19:1failfailfail
  • AA: use #5279a3 as the text (4.62:1)
  • AAA: use #7b9abc as the text (7.19:1)
  • AA: or shift the background to #b3b3b3 (4.57:1)
  • AAA: or shift the background to #dedede (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 #30475f as the background.

Brands using this color

Fonts for this mood

#30475f reads as cool, muted, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #30475f
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 #30475f and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/30475f-9cabc4-df534e-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