Color

#003742

#003742
hex#003742
rgbrgb(0, 55, 66)
hslhsl(190, 100%, 13%)
oklchoklch(0.31 0.055 215.9)
Closest name: Nordic Noir (#003344)Relative luminance 0.0313

Tints & shades

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

Harmonies

Complementary

Open in tool →

#420b00

#00422c · #001642

#420037 · #374200

Split-complementary

Open in tool →

#420016 · #422c00

#2c0042 · #420b00 · #164200

Contrast

#003742 as textRatioAAAA largeAAAFix
Aaon white
12.92:1passpasspassPasses AAA — no fix needed.
Aaon black
1.63:1failfailfail
  • AA: use #008099 as the text (4.55:1)
  • AAA: use #00a6c7 as the text (7.28:1)
  • AA: or shift the background to #999999 (4.54:1)
  • AAA: or shift the background to #bfbfbf (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 #003742 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

#003742 reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #003742
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 #003742 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/003742-a2b6be-df4e7c-1f252d-e9f1ef?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