Named color

Calypso

#3d7188
hex#3d7188
rgbrgb(61, 113, 136)
hslhsl(198, 38%, 39%)
oklchoklch(0.522 0.066 228.7)
Relative luminance 0.1458

Calypso on this page is the real value, not a screenshot: exact hex, RGB, HSL and OKLCH, ten tints and ten shades, classic harmonies, and WCAG contrast with fixes — plus the curated palettes it appears in and any public brand that adopts it.

Tints & shades

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

Harmonies

Complementary

Open in tool →

#89543e

#3e897a · #3e4d89

#893e73 · #73893e

Split-complementary

Open in tool →

#893e4d · #897a3e

#7a3e89 · #89543e · #4d893e

Contrast

Calypso as textRatioAAAA largeAAAFix
Aaon white
5.36:1passpassfail
  • AAA: use #335e71 as the text (7.05:1)
Aaon black
3.92:1failpassfail
  • AA: use #447e97 as the text (4.68:1)
  • AAA: use #619eb8 as the text (7.09:1)
  • AA: or shift the background to #ededed (4.58:1)

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

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

mcpConnect your agent — build around Calypso
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 #3d7188 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3d7188-9cb3c4-df4e69-1f232d-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