Color

#281e71

#281e71
hex#281e71
rgbrgb(40, 30, 113)
hslhsl(247, 58%, 28%)
oklchoklch(0.308 0.136 280.3)
Closest name: Deep Space Rodeo (#332277)Relative luminance 0.0257

Tints & shades

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

Harmonies

Complementary

Open in tool →

#67711e

#1e3e71 · #511e71

#71281e · #1e7128

Split-complementary

Open in tool →

#71511e · #3e711e

#711e3e · #67711e · #1e7151

Contrast

#281e71 as textRatioAAAA largeAAAFix
Aaon white
13.87:1passpasspassPasses AAA — no fix needed.
Aaon black
1.51:1failfailfail
  • AA: use #7366d6 as the text (4.6:1)
  • AAA: use #988ee1 as the text (7.29:1)
  • AA: or shift the background to #949494 (4.57:1)
  • AAA: or shift the background to #bababa (7.15:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #281e71 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

#281e71 reads as cool, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #281e71
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 #281e71 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/281e71-a59cc4-dfaa4e-271f2d-e9ecf1?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