Color

#283448

#283448
hex#283448
rgbrgb(40, 52, 72)
hslhsl(218, 29%, 22%)
oklchoklch(0.323 0.039 260.4)
Closest name: Blue Whale (#1e3442)Relative luminance 0.0337

Tints & shades

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

Harmonies

Complementary

Open in tool →

#483c28

#284448 · #2c2848

#482834 · #344828

Split-complementary

Open in tool →

#482c28 · #444828

#482844 · #483c28 · #28482c

Contrast

#283448 as textRatioAAAA largeAAAFix
Aaon white
12.54:1passpasspassPasses AAA — no fix needed.
Aaon black
1.67:1failfailfail
  • AA: use #5b76a4 as the text (4.57:1)
  • AAA: use #8297ba as the text (7.08:1)
  • AA: or shift the background to #9c9c9c (4.57:1)
  • AAA: or shift the background to #c2c2c2 (7.04:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #283448 as the background.

Brands using this color

Fonts for this mood

#283448 reads as cool, muted, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #283448
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 #283448 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/283448-9ca6c4-df644e-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