Color

#2f558e

#2f558e
hex#2f558e
rgbrgb(47, 85, 142)
hslhsl(216, 50%, 37%)
oklchoklch(0.451 0.103 258.3)
Closest name: Blue Chip (#1d5699)Relative luminance 0.0905

Tints & shades

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

Harmonies

Complementary

Open in tool →

#8e682f

#2f848e · #392f8e

#8e2f55 · #558e2f

Split-complementary

Open in tool →

#8e392f · #848e2f

#8e2f84 · #8e682f · #2f8e39

Contrast

#2f558e as textRatioAAAA largeAAAFix
Aaon white
7.47:1passpasspassPasses AAA — no fix needed.
Aaon black
2.81:1failfailfail
  • AA: use #4476c1 as the text (4.61:1)
  • AAA: use #7197d0 as the text (7.04:1)
  • AA: or shift the background to #c9c9c9 (4.51:1)
  • AAA: or shift the background to #fafafa (7.16:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #2f558e 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

#2f558e reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #2f558e
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 #2f558e and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/2f558e-9ca7c4-df5f4e-201f2d-e9f0f1?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