Color

#308d8d

#308d8d
hex#308d8d
rgbrgb(48, 141, 141)
hslhsl(180, 49%, 37%)
oklchoklch(0.59 0.085 195.1)
Closest name: darkcyan (#008b8b)Relative luminance 0.216

Tints & shades

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

Harmonies

Complementary

Open in tool →

#8d3030

#308d5e · #305e8d

#8d308d · #8d8d30

Split-complementary

Open in tool →

#8d305e · #8d5e30

#5e308d · #8d3030 · #5e8d30

Contrast

#308d8d as textRatioAAAA largeAAAFix
Aaon white
3.95:1failpassfail
  • AA: use #2c8181 as the text (4.6:1)
  • AAA: use #215f5f as the text (7.33:1)
  • AA: or shift the background to #171717 (4.54:1)
Aaon black
5.32:1passpassfail
  • AAA: use #39a7a7 as the text (7.26:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #308d8d 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

#308d8d reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #308d8d
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 #308d8d and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/308d8d-a2bbbe-d45994-1f272d-e9f1ed?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