Color

#1f2dad

#1f2dad
hex#1f2dad
rgbrgb(31, 45, 173)
hslhsl(234, 70%, 40%)
oklchoklch(0.39 0.199 268.7)
Closest name: Blue Hour (#0034ab)Relative luminance 0.0519

Tints & shades

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

Harmonies

Complementary

Open in tool →

#ad9f1f

#1f74ad · #581fad

#ad1f2d · #2dad1f

Split-complementary

Open in tool →

#ad581f · #74ad1f

#ad1f74 · #ad9f1f · #1fad58

Contrast

#1f2dad as textRatioAAAA largeAAAFix
Aaon white
10.31:1passpasspassPasses AAA — no fix needed.
Aaon black
2.04:1failfailfail
  • AA: use #5a68e2 as the text (4.51:1)
  • AAA: use #8690ea as the text (7.19:1)
  • AA: or shift the background to #adadad (4.59:1)
  • AAA: or shift the background to #d6d6d6 (7.09:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #1f2dad 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

#1f2dad reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #1f2dad
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 #1f2dad and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/1f2dad-9d9cc4-df8a4e-241f2d-e9eef1?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