Color

#282f48

#282f48
hex#282f48
rgbrgb(40, 47, 72)
hslhsl(227, 29%, 22%)
oklchoklch(0.311 0.046 271.5)
Closest name: Blue Whale (#1e3442)Relative luminance 0.0295

Tints & shades

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

Harmonies

Complementary

Open in tool →

#484128

#283f48 · #312848

#48282f · #2f4828

Split-complementary

Open in tool →

#483128 · #3f4828

#48283f · #484128 · #284831

Contrast

#282f48 as textRatioAAAA largeAAAFix
Aaon white
13.2:1passpasspassPasses AAA — no fix needed.
Aaon black
1.59:1failfailfail
  • AA: use #6473aa as the text (4.57:1)
  • AAA: use #8994be as the text (7.04:1)
  • AA: or shift the background to #999999 (4.63:1)
  • AAA: or shift the background to #bdbdbd (7.03:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #282f48 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

#282f48 reads as cool, muted, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #282f48
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 #282f48 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/282f48-9ca0c4-df7a4e-221f2d-e9eff1?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