Color

#3a4759

#3a4759
hex#3a4759
rgbrgb(58, 71, 89)
hslhsl(215, 21%, 29%)
oklchoklch(0.394 0.035 256.6)
Closest name: Abyssal (#404c57)Relative luminance 0.0613

Tints & shades

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

Harmonies

Complementary

Open in tool →

#594d3a

#3a5759 · #3d3a59

#593a47 · #47593a

Split-complementary

Open in tool →

#593d3a · #57593a

#593a57 · #594d3a · #3a593d

Contrast

#3a4759 as textRatioAAAA largeAAAFix
Aaon white
9.44:1passpasspassPasses AAA — no fix needed.
Aaon black
2.23:1failfailfail
  • AA: use #617694 as the text (4.53:1)
  • AAA: use #8798b0 as the text (7.15:1)
  • AA: or shift the background to #b3b3b3 (4.5:1)
  • AAA: or shift the background to #dedede (7.01:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #3a4759 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

#3a4759 reads as cool, muted, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #3a4759
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 #3a4759 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3a4759-9ca8c4-df5d4e-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