Color

#03071c

#03071c
hex#03071c
rgbrgb(3, 7, 28)
hslhsl(230, 81%, 6%)
oklchoklch(0.139 0.047 267.7)
Closest name: Narwhal Grey (#080813)Relative luminance 0.0026

Tints & shades

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

Harmonies

Complementary

Open in tool →

#1c1803

#03131c · #0b031c

#1c0307 · #071c03

Split-complementary

Open in tool →

#1c0b03 · #131c03

#1c0313 · #1c1803 · #031c0b

Contrast

#03071c as textRatioAAAA largeAAAFix
Aaon white
19.98:1passpasspassPasses AAA — no fix needed.
Aaon black
1.05:1failfailfail
  • AA: use #506aed as the text (4.63:1)
  • AAA: use #7e91f1 as the text (7.21:1)
  • AA: or shift the background to #787878 (4.53:1)
  • AAA: or shift the background to #999999 (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 #03071c 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

#03071c reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #03071c
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 #03071c and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/03071c-9c9ec4-df814e-231f2d-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