Color

#31ceed

#31ceed
hex#31ceed
rgbrgb(49, 206, 237)
hslhsl(190, 84%, 56%)
oklchoklch(0.787 0.129 214.9)
Closest name: darkturquoise (#00ced1)Relative luminance 0.5091

Tints & shades

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

Harmonies

Complementary

Open in tool →

#ed5031

#31edae · #316fed

#ed31ce · #ceed31

Split-complementary

Open in tool →

#ed316f · #edae31

#ae31ed · #ed5031 · #6fed31

Contrast

#31ceed as textRatioAAAA largeAAAFix
Aaon white
1.88:1failfailfail
  • AA: use #0d7f96 as the text (4.67:1)
  • AAA: use #0a5f71 as the text (7.27:1)
  • AA: or shift the background to #4d4d4d (4.5:1)
  • AAA: or shift the background to #303030 (7.03:1)
Aaon black
11.18:1passpasspassPasses 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 #31ceed 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

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

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

tool url/palettes/new/31ceed-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