Color

#2a878d

#2a878d
hex#2a878d
rgbrgb(42, 135, 141)
hslhsl(184, 54%, 36%)
oklchoklch(0.573 0.085 201.3)
Closest name: darkcyan (#008b8b)Relative luminance 0.1974

Tints & shades

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

Harmonies

Complementary

Open in tool →

#8d312a

#2a8d62 · #2a558d

#8d2a87 · #878d2a

Split-complementary

Open in tool →

#8d2a55 · #8d622a

#622a8d · #8d312a · #558d2a

Contrast

#2a878d as textRatioAAAA largeAAAFix
Aaon white
4.24:1failpassfail
  • AA: use #287f86 as the text (4.7:1)
  • AAA: use #1e6166 as the text (7.1:1)
  • AA: or shift the background to #0f0f0f (4.52:1)
Aaon black
4.95:1passpassfail
  • AAA: use #34a5ad as the text (7.13:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #2a878d 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

#2a878d reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #2a878d
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 #2a878d and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/2a878d-a2b9be-df4e8a-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