Color
#12403b
#12403brgb(18, 64, 59)hsl(173, 56%, 16%)oklch(0.339 0.05 185)Colors that go with #12403b
Sea Green, Teal and Amber lead the list. Each partner is a real named colour with the reason it works — a wheel relationship, a neutral that carries it, or a pairing lifted from a palette or brand system that actually shipped — and every pair opens in the palette tool.
Sea Green #2e8b57
analogousshippedSea Green is #12403b's neighbour on the wheel, so the two read as one family — use it for hover states, gradients and secondary surfaces.
Teal #008080
analogousshippedTeal is #12403b's neighbour on the wheel, so the two read as one family — use it for hover states, gradients and secondary surfaces.
Amber #ffbf00
shippedAmber is paired with #12403b in 5 real palettes, including Beach Hut and McDonald's's brand system, as the supporting colour.
Blue #0000ff
shipped12 real palettes, including Jeep's brand system and Instacart's brand system put Blue beside #12403b, as the accent.
Blush Pink #e8b4b8
shipped5 real palettes, including Rain Garden and Garden Wedding put Blush Pink beside #12403b, as the accent.
Burlywood #deb887
shippedBurlywood is paired with #12403b in 4 real palettes, including Polaroid and Coastal, as the accent.
Cadet Blue #5f9ea0
shippedDesigners have shipped Cadet Blue with #12403b: 8 real palettes, including Paper & Pine and Clean Beauty, as the supporting colour.
White Smoke #f5f5f5
neutralWhite Smoke is the surface for #12403b: a clean near-white with no warm cast, so the cool hue stays clear instead of drifting muddy.
Real palettes that use #12403b
Tints & shades
Harmonies
Contrast
| #12403b as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 11.52:1 | pass | pass | pass | Passes AAA — no fix needed. |
Aaon black | 1.82:1 | fail | fail | fail |
Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #12403b as the background.
Brands using this color
Fonts for this mood
#12403b reads as dark, luxury, bold. The font library is tagged with the same vocabulary:
Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — direct_palette, edit_direction, check_palette, check_contrast — read-only, no key. Every direction it proposes comes with a /colors/d/… link: open it, lock what you like, paste the link back, and the agent edits rather than re-rolls.
https://mcp.brandsweets.com/colors/mcpclaude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
›analyze #12403b and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
/palettes/new/12403b-a2bebe-d459a3-1f292d-e9f1ec?lock=0&style=vibrantWant the agent to remember your picks and write them into a living brand? Create a free BrandSweets workspace.
Machine-readable: color.md