Color

#31abc4

#31abc4
hex#31abc4
rgbrgb(49, 171, 196)
hslhsl(190, 60%, 48%)
oklchoklch(0.687 0.109 214.8)
Closest name: Aquarius (#2db0ce)Relative luminance 0.3376

Tints & shades

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

Harmonies

Complementary

Open in tool →

#c44931

#31c493 · #3162c4

#c431ab · #abc431

Split-complementary

Open in tool →

#c43162 · #c49331

#9331c4 · #c44931 · #62c431

Contrast

#31abc4 as textRatioAAAA largeAAAFix
Aaon white
2.71:1failfailfail
  • AA: use #258193 as the text (4.53:1)
  • AAA: use #1c606e as the text (7.12:1)
  • AA: or shift the background to #333333 (4.66:1)
  • AAA: or shift the background to #0f0f0f (7.08:1)
Aaon black
7.75:1passpasspassPasses AAA — no fix needed.

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #31abc4 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

#31abc4 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #31abc4
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 #31abc4 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/31abc4-a2b6be-df4e7c-1f252d-e9f1ef?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