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
#15756b
#15756b
hex
#15756brgb
rgb(21, 117, 107)hsl
hsl(174, 70%, 27%)oklch
oklch(0.508 0.084 184.1)Closest name: Emperor Jade (#007b75)Relative luminance 0.1394
Colors that go with #15756b
Charcoal, Medium Violet Red and Cobalt 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.
Charcoal #36454f
neutralshippedCharcoal is the text near-black for #15756b: softer than #000 and cool enough to feel like part of the same palette.
Medium Violet Red #c71585
complementaryshippedMedium Violet Red sits directly opposite #15756b on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight.
Cobalt Blue #0047ab
shippedDesigners have shipped Cobalt Blue with #15756b: 4 real palettes, including Intel's brand system and Ink & Paper, as the lead colour.
Copper #b87333
shippedDesigners have shipped Copper with #15756b: 5 real palettes, including Desert Road and Riverbed, as the lead colour.
Crimson #dc143c
shippedCrimson is paired with #15756b in 7 real palettes, including Gemstone and Redfin's brand system, as the accent.
Denim #1560bd
shippedDesigners have shipped Denim with #15756b: 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 #15756b: 4 real palettes, including Fireside and Wendy's's brand system, as the lead colour.
Goldenrod #daa520
shippedGoldenrod shows up next to #15756b in 4 real palettes, including Mid-Century and Sapphire & Gold, as the accent.
Real palettes that use #15756b
Tints & shades
Harmonies
Contrast
| #15756b as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 5.54:1 | pass | pass | fail |
|
Aaon black | 3.79:1 | 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 #15756b 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
#15756b reads as vivid, dark, luxury. The font library is tagged with the same vocabulary:
mcpConnect your agent — build around #15756b
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 #15756b and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
tool url
/palettes/new/15756b-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