Color

#1e271b

#1e271b
hex#1e271b
rgbrgb(30, 39, 27)
hslhsl(105, 18%, 13%)
oklchoklch(0.26 0.025 138)
Closest name: Underworld (#1e231c)Relative luminance 0.0181

Tints & shades

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

Harmonies

Complementary

Open in tool →

#241b27

#24271b · #1b271e

#1b1e27 · #271b1e

Split-complementary

Open in tool →

#1e1b27 · #271b24

#1b2427 · #241b27 · #271e1b

Contrast

#1e271b as textRatioAAAA largeAAAFix
Aaon white
15.43:1passpasspassPasses AAA — no fix needed.
Aaon black
1.36:1failfailfail
  • AA: use #617e58 as the text (4.63:1)
  • AAA: use #7f9f75 as the text (7.12:1)
  • AA: or shift the background to #8c8c8c (4.59:1)
  • AAA: or shift the background to #b0b0b0 (7.11:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #1e271b as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#1e271b reads as muted, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #1e271b
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 #1e271b and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/1e271b-a6bea2-754edf-1f2d22-eff1e9?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