Color

#308f97

#308f97
hex#308f97
rgbrgb(48, 143, 151)
hslhsl(185, 52%, 39%)
oklchoklch(0.599 0.087 203.1)
Closest name: Blue Moon (#3992a8)Relative luminance 0.2251

Tints & shades

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

Harmonies

Complementary

Open in tool →

#973830

#30976c · #305b97

#97308f · #8f9730

Split-complementary

Open in tool →

#97305b · #976c30

#6c3097 · #973830 · #5b9730

Contrast

#308f97 as textRatioAAAA largeAAAFix
Aaon white
3.82:1failpassfail
  • AA: use #2b8088 as the text (4.62:1)
  • AAA: use #205f65 as the text (7.28:1)
  • AA: or shift the background to #1a1a1a (4.56:1)
Aaon black
5.5:1passpassfail
  • AAA: use #37a4ae as the text (7.08:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #308f97 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

#308f97 reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #308f97
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 #308f97 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/308f97-a2b8be-df4e88-1f262d-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