Circuit
Open in tool →Violet plus cyan is the current AI-product signal — pair it with pure black type to keep it from going candy.
Color
#100a10
#100a10
hex
#100a10rgb
rgb(16, 10, 16)hsl
hsl(300, 23%, 5%)oklch
oklch(0.156 0.016 326.3)Closest name: Midnight Oil (#0b0c14)Relative luminance 0.0036
Tints & shades
Harmonies
Contrast
| #100a10 as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 19.57:1 | pass | pass | pass | Passes AAA — no fix needed. |
Aaon black | 1.07:1 | 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 #100a10 as the background.
Brands using this color
Palettes built around it
Streetwear
Open in tool →Black, white, red, yellow — drop-culture signal colors, unmissable at thumbnail size.
Noir Beauty
Open in tool →Black, gold and one deep red — the prestige cosmetics counter: all restraint and a single lipstick.
Midnight Luxe
Open in tool →Champagne gold on ink-navy with a violet undertone — hotels and spirits use it because it reads expensive at any size.
Velvet
Open in tool →Burgundy and plum on near-black with a brass accent — theatre, wine, and anything that wants to feel after-dark.
Fonts for this mood
#100a10 reads as warm, muted, dark. The font library is tagged with the same vocabulary:
mcpConnect your agent — build around #100a10
live endpointPoint any MCP client at the shared colors endpoint and your agent gets the same engine as this page — generate_palette, check_contrast, analyze_color — read-only, no key. Every palette it proposes comes with a /palettes/new/… link: open it, lock what you like, paste the link back.
endpoint
https://mcp.brandsweets.com/colors/mcpclaude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt
›analyze #100a10 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
tool url
/palettes/new/100a10-c19fbd-95cb62-2d1f27-ede9f1?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