Color
#21634d
#21634drgb(33, 99, 77)hsl(160, 50%, 26%)oklch(0.451 0.076 167.5)Colors that go with #21634d
Crimson, Medium Violet Red and Blue 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.
Crimson #dc143c
split-complementshippedCrimson is a split-complement of #21634d: nearly opposite, so it still pops against it, without the vibrating edge of a true complement.
Medium Violet Red #c71585
complementaryshippedMedium Violet Red sits directly opposite #21634d on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight.
Blue #0000ff
shipped4 real palettes, including Rolex's brand system and Warp's brand system put Blue beside #21634d, as the accent.
Champagne #f7e7ce
shipped4 real palettes, including Darkroom and BrandSweets's brand system put Champagne beside #21634d, as the surface under it.
Denim #1560bd
shippedDesigners have shipped Denim with #21634d: 9 real palettes, including HP's brand system and Intel's brand system, as the accent.
Goldenrod #daa520
shippedGoldenrod shows up next to #21634d in 5 real palettes, including Fireside and Mid-Century, as the accent.
Orange Red #ff4500
shippedOrange Red is paired with #21634d in 4 real palettes, including Neon's brand system and Clerk's brand system, as the accent.
White Smoke #f5f5f5
neutralWhite Smoke is the surface for #21634d: a clean near-white with no warm cast, so the cool hue stays clear instead of drifting muddy.
Real palettes that use #21634d
Tints & shades
Harmonies
Contrast
| #21634d as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 7.1:1 | pass | pass | pass | Passes AAA — no fix needed. |
Aaon black | 2.96:1 | 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 #21634d as the background.
Brands using this color
Fonts for this mood
#21634d 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 #21634d and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
/palettes/new/21634d-a2beb8-d459be-1f2c2d-e9f1eb?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