Magazine Ochre
Open in tool →Ochre and walnut on unbleached stock, with teal as the counterpoint — a features-section palette with some heat in it.
Color
#21786f
#21786f
hex
#21786frgb
rgb(33, 120, 111)hsl
hsl(174, 57%, 30%)oklch
oklch(0.52 0.081 185)Closest name: Emperor Jade (#007b75)Relative luminance 0.149
Colors that go with #21786f
Charcoal, Medium Violet Red 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.
Charcoal #36454f
neutralshippedCharcoal is the text near-black for #21786f: softer than #000 and cool enough to feel like part of the same palette.
Medium Violet Red #c71585
complementaryshippedMedium Violet Red sits directly opposite #21786f 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 #21786f in 4 real palettes, including Lemon Squeezy's brand system and Beach Hut, as the lead colour.
Cobalt Blue #0047ab
shippedDesigners have shipped Cobalt Blue with #21786f: 4 real palettes, including Intel's brand system and Ink & Paper, as the lead colour.
Copper #b87333
shippedDesigners have shipped Copper with #21786f: 5 real palettes, including Riverbed and Clay & Linen, as the accent.
Crimson #dc143c
shippedCrimson is paired with #21786f in 9 real palettes, including Gemstone and Redfin's brand system, as the accent.
Denim #1560bd
shippedDesigners have shipped Denim with #21786f: 12 real palettes, including Intel's brand system and Jack Daniel's's brand system, as the supporting colour.
Firebrick #b22222
shippedDesigners have shipped Firebrick with #21786f: 5 real palettes, including Fireside and Wendy's's brand system, as the lead colour.
Real palettes that use #21786f
Tints & shades
Harmonies
Contrast
| #21786f as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 5.28:1 | pass | pass | fail |
|
Aaon black | 3.98:1 | fail | pass | fail |
Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #21786f as the background.
Brands using this color
Palettes built around it
Saffron
Open in tool →Saffron and clove with a teal counterpoint — spice-market warmth, balanced so it doesn't go orange everywhere.
Gemstone
Open in tool →Emerald, amethyst and ruby on velvet-black — the jewel-tone trio; the surface must be dark or the stones go plastic.
Fonts for this mood
#21786f reads as dark, luxury, bold. The font library is tagged with the same vocabulary:
mcpConnect your agent — build around #21786f
live endpointPoint 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.
endpoint
https://mcp.brandsweets.com/colors/mcpclaude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt
›analyze #21786f and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
tool url
/palettes/new/21786f-a2bebe-d459a1-1f292d-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