Color
#21403e
#21403ergb(33, 64, 62)hsl(176, 32%, 19%)oklch(0.347 0.037 190.2)Colors that go with #21403e
Sea Green, Teal and Indian Red 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 #21403e'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 #21403e's neighbour on the wheel, so the two read as one family — use it for hover states, gradients and secondary surfaces.
Indian Red #cd5c5c
complementaryshippedIndian Red sits directly opposite #21403e on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight.
Amber #ffbf00
shippedAmber is paired with #21403e in 5 real palettes, including McDonald's's brand system and Beach Hut, as the lead colour.
Blue #0000ff
shipped12 real palettes, including Jeep's brand system and Instacart's brand system put Blue beside #21403e, as the accent.
Blush Pink #e8b4b8
shipped5 real palettes, including Garden Wedding and Rain Garden put Blush Pink beside #21403e, as the supporting colour.
Burlywood #deb887
shippedBurlywood is paired with #21403e in 4 real palettes, including Polaroid and Coastal, as the accent.
White Smoke #f5f5f5
neutralWhite Smoke is the surface for #21403e: a clean near-white with no warm cast, so the cool hue stays clear instead of drifting muddy.
Real palettes that use #21403e
Tints & shades
Harmonies
Contrast
| #21403e as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 11.24:1 | pass | pass | pass | Passes AAA — no fix needed. |
Aaon black | 1.87:1 | 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 #21403e as the background.
Brands using this color
Fonts for this mood
#21403e reads as muted, dark, luxury. 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 #21403e and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
/palettes/new/21403e-a2bdbe-d4599d-1f282d-e9f1ed?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