Graphite Mono
Open in tool →Five greys, no hue — the true monochrome; the accent is a lighter grey, so hierarchy comes from weight and size alone.
Color
#b4c0ca
#b4c0ca
hex
#b4c0cargb
rgb(180, 192, 202)hsl
hsl(207, 17%, 75%)oklch
oklch(0.802 0.019 243)Closest name: Arctic Ice (#b6bdd0)Relative luminance 0.5167
Colors that go with #b4c0ca
Charcoal, Copper and Crimson 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 that reads cleanly against #b4c0ca without the hard edge of pure #000.
Copper #b87333
shippedDesigners have shipped Copper with #b4c0ca: 4 real palettes, including Clean Beauty and Desert Road, as the accent.
Crimson #dc143c
shippedCrimson is paired with #b4c0ca in 5 real palettes, including Cartier's brand system and Frost & Ember, as the accent.
Deep Sky Blue #00bfff
shippedDesigners have shipped Deep Sky Blue with #b4c0ca: 5 real palettes, including Max's brand system and Mistral AI's brand system, as the supporting colour.
Denim #1560bd
shippedDesigners have shipped Denim with #b4c0ca: 4 real palettes, including Nikon's brand system and Fitbit's brand system, as the supporting colour.
Midnight Blue #191970
shipped9 real palettes, including Lavender Milk and First Snow put Midnight Blue beside #b4c0ca, as the text colour against it.
Peru #cd853f
shipped4 real palettes, including Estate and Kiln put Peru beside #b4c0ca, as the lead colour.
Royal Blue #4169e1
shippedRoyal Blue is paired with #b4c0ca in 4 real palettes, including Telehealth and 1password's brand system, as the lead colour.
Real palettes that use #b4c0ca
Tints & shades
Harmonies
Contrast
| #b4c0ca as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 1.85:1 | fail | fail | fail | |
Aaon black | 11.33:1 | pass | pass | pass | Passes AAA — no fix needed. |
Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #b4c0ca as the background.
Brands using this color
Palettes built around it
Fonts for this mood
#b4c0ca reads as cool, muted, light. The font library is tagged with the same vocabulary:
mcpConnect your agent — build around #b4c0ca
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 #b4c0ca and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
tool url
/palettes/new/b4c0ca-9cadc4-df4e53-1f212d-e9f1f1?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