Color

#30898d

#30898d
hex#30898d
rgbrgb(48, 137, 141)
hslhsl(183, 49%, 37%)
oklchoklch(0.58 0.083 199.4)
Closest name: darkcyan (#008b8b)Relative luminance 0.2044

Colors that go with #30898d

Charcoal, Copper and Crimson lead the list. Each partner is a real named colour with the reason it works — a wheel relationship, a neutral that carries it, or a pairing lifted from a palette or brand system that actually shipped — and every pair opens in the palette tool.

Tints & shades

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

Harmonies

Complementary

Open in tool →

#8d3530

#308d63 · #305a8d

#8d3088 · #888d30

Split-complementary

Open in tool →

#8d305a · #8d6330

#63308d · #8d3530 · #5a8d30

Contrast

#30898d as textRatioAAAA largeAAAFix
Aaon white
4.13:1failpassfail
  • AA: use #2e8185 as the text (4.57:1)
  • AAA: use #226063 as the text (7.19:1)
  • AA: or shift the background to #121212 (4.54:1)
Aaon black
5.09:1passpassfail
  • AAA: use #3ba5ab as the text (7.16:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #30898d 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

#30898d reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #30898d
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — direct_palette, edit_direction, check_palette, check_contrast — read-only, no key. Every direction it proposes comes with a /colors/d/… link: open it, lock what you like, paste the link back, and the agent edits rather than re-rolls.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #30898d and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/30898d-a2b9be-d4598e-1f262d-e9f1ee?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