Terminal
Open in tool →Green for success, blue for links, pink for emphasis — the dark-mode developer family, tuned to sit on near-black without glare.
Color
#040f15
#040f15
hex
#040f15rgb
rgb(4, 15, 21)hsl
hsl(201, 68%, 5%)oklch
oklch(0.16 0.022 230.9)Closest name: Dark Rift (#060b14)Relative luminance 0.0042
Colors that go with #040f15
Charcoal, Amber 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.
Charcoal #36454f
neutralshippedCharcoal is the text near-black that reads cleanly against #040f15 without the hard edge of pure #000.
Amber #ffbf00
shippedAmber is paired with #040f15 in 14 real palettes, including Mastodon hosted on mastodon.social's brand system and NBA's brand system, as the accent — a combination designers have actually shipped, not a computed rotation.
Blue #0000ff
shippedBlue is paired with #040f15 in 19 real palettes, including Kia's brand system and Pfizer's brand system, as the accent — a combination designers have actually shipped, not a computed rotation.
Blue Violet #8a2be2
shippedBlue Violet is paired with #040f15 in 10 real palettes, including Twitch's brand system and Render's brand system, as the lead colour — a combination designers have actually shipped, not a computed rotation.
Brown #a52a2a
shippedBrown is paired with #040f15 in 4 real palettes, including State Farm's brand system and Velvet, as the supporting colour — a combination designers have actually shipped, not a computed rotation.
Burlywood #deb887
shippedBurlywood is paired with #040f15 in 4 real palettes, including Velvet and Coffee Bar, as the accent — a combination designers have actually shipped, not a computed rotation.
Cadet Blue #5f9ea0
shippedCadet Blue is paired with #040f15 in 6 real palettes, including Estate and Arctic, as the supporting colour — a combination designers have actually shipped, not a computed rotation.
Champagne #f7e7ce
shippedChampagne is paired with #040f15 in 9 real palettes, including Midnight Luxe and Sweetgreen's brand system, as the text colour against it — a combination designers have actually shipped, not a computed rotation.
Real palettes that use #040f15
Tints & shades
Harmonies
Contrast
| #040f15 as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 19.37:1 | pass | pass | pass | Passes AAA — no fix needed. |
Aaon black | 1.08:1 | 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 #040f15 as the background.
Brands using this color
Palettes built around it
Fonts for this mood
#040f15 reads as cool, vivid, dark. The font library is tagged with the same vocabulary:
mcpConnect your agent — build around #040f15
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 #040f15 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
tool url
/palettes/new/040f15-9cb1c4-df4e62-1f222d-e9f1f0?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