Color

#282eaf

#282eaf
hex#282eaf
rgbrgb(40, 46, 175)
hslhsl(237, 63%, 42%)
oklchoklch(0.398 0.198 271.1)
Closest name: Blue Hour (#0034ab)Relative luminance 0.055

Tints & shades

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

Harmonies

Complementary

Open in tool →

#afa828

#2872af · #6428af

#af282e · #2eaf28

Split-complementary

Open in tool →

#af6428 · #72af28

#af2872 · #afa828 · #28af64

Contrast

#282eaf as textRatioAAAA largeAAAFix
Aaon white
10:1passpasspassPasses AAA — no fix needed.
Aaon black
2.1:1failfailfail
  • AA: use #656bdc as the text (4.69:1)
  • AAA: use #8b8fe5 as the text (7.16:1)
  • AA: or shift the background to #b0b0b0 (4.61:1)
  • AAA: or shift the background to #d9d9d9 (7.08:1)

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

#282eaf reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

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

tool url/palettes/new/282eaf-9f9cc4-df924e-251f2d-e9edf1?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