Color

#281e52

#281e52
hex#281e52
rgbrgb(40, 30, 82)
hslhsl(252, 46%, 22%)
oklchoklch(0.279 0.091 287.9)
Closest name: Azulado (#211d49)Relative luminance 0.0199

Tints & shades

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

Harmonies

Complementary

Open in tool →

#48521e

#1e2e52 · #421e52

#52291e · #1e5229

Split-complementary

Open in tool →

#52421e · #2e521e

#521e2e · #48521e · #1e5242

Contrast

#281e52 as textRatioAAAA largeAAAFix
Aaon white
15.02:1passpasspassPasses AAA — no fix needed.
Aaon black
1.4:1failfailfail
  • AA: use #7a66c7 as the text (4.55:1)
  • AAA: use #9a8cd4 as the text (7.08:1)
  • AA: or shift the background to #8f8f8f (4.65:1)
  • AAA: or shift the background to #b3b3b3 (7.17:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #281e52 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

#281e52 reads as cool, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #281e52
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 #281e52 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/281e52-a99cc4-dfb64e-281f2d-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