# #04020d

A color — cool, vivid, dark, technical, modern, luxury, bold. Deterministic analysis from BrandSweets (no inference).

## Values

- Hex: `#04020d`
- RGB: rgb(4, 2, 13)
- HSL: hsl(251, 73%, 3%)
- OKLCH: oklch(0.103 0.033 292.4)
- Relative luminance: 0.001
- Nearest named color: Obsidian Shard (#060313, Δ 1.73) — https://brandsweets.com/colors/obsidian-shard
- Moods: cool, vivid, dark, technical, modern, luxury, bold
- Page: https://brandsweets.com/colors/04020d

## Tints & shades

- Tints (toward white): #120939, #1e0f61, #2c168d, #381cb5, #4827dd, #6a4fe3, #8f7bea, #b1a2f1, #d6cef7, #f8f6fe
- Shades (toward black): #04020d, #04020d, #04020d, #04020d, #050312, #050312, #050312, #050312, #050312, #050312

## Harmonies

- Complementary: #0b0d02
- Analogous: #02060d, #0a020d
- Triadic: #0d0402, #020d04
- Split-complementary: #0d0a02, #060d02
- Tetradic: #0d0206, #0b0d02, #020d0a

## Colors that go with #04020d

Named partners (harmony on the OKLCH wheel, co-occurrence in curated palettes and brand systems, and the neutrals that carry it), best first:

- **Charcoal** #36454f [role, pool] — Charcoal is the text near-black for #04020d: softer than #000 and cool enough to feel like part of the same palette. Seen in: Asana (https://brandsweets.com/colors/brands/asana-com), Amazon (https://brandsweets.com/colors/brands/amazon-com), Bloomberg (https://brandsweets.com/colors/brands/bloomberg-com), Codecademy (https://brandsweets.com/colors/brands/codecademy-com). — https://brandsweets.com/colors/charcoal
- **Dark Orchid** #9932cc [harmony, pool: analogous] — Dark Orchid is #04020d's neighbour on the wheel, so the two read as one family — use it for hover states, gradients and secondary surfaces. Seen in: Laser (https://brandsweets.com/palettes/vivid#laser), Linkedin (https://brandsweets.com/colors/brands/linkedin-com), Hasbro (https://brandsweets.com/colors/brands/hasbro-com), Peacock (https://brandsweets.com/palettes/vivid#peacock). — https://brandsweets.com/colors/darkorchid
- **Royal Blue** #4169e1 [harmony, pool: analogous] — Royal Blue is #04020d's neighbour on the wheel, so the two read as one family — use it for hover states, gradients and secondary surfaces. Seen in: Zed (https://brandsweets.com/colors/brands/zed-dev), Webflow (https://brandsweets.com/colors/brands/webflow-com), Framer (https://brandsweets.com/colors/brands/framer), Coinbase (https://brandsweets.com/colors/brands/coinbase). — https://brandsweets.com/colors/royalblue
- **Sea Green** #2e8b57 [harmony, pool: split] — Sea Green is a split-complement of #04020d: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. Seen in: Coinbase (https://brandsweets.com/colors/brands/coinbase), Asana (https://brandsweets.com/colors/brands/asana-com), Intel (https://brandsweets.com/colors/brands/intel-com), Lemon Squeezy (https://brandsweets.com/colors/brands/lemonsqueezy-com). — https://brandsweets.com/colors/seagreen
- **Sienna** #a0522d [harmony, pool: split] — Sienna is a split-complement of #04020d: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. Seen in: Oatly (https://brandsweets.com/colors/brands/oatly-com), Aesop (https://brandsweets.com/colors/brands/aesop-com), Dyson (https://brandsweets.com/colors/brands/dyson-com), Ubereats (https://brandsweets.com/colors/brands/ubereats-com). — https://brandsweets.com/colors/sienna
- **Teal** #008080 [harmony, pool: triadic] — Teal completes a triad with #04020d — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash. Seen in: Gemstone (https://brandsweets.com/palettes/vivid#gemstone), Redfin (https://brandsweets.com/colors/brands/redfin-com), Perplexity (https://brandsweets.com/colors/brands/perplexity), Clinic (https://brandsweets.com/palettes/clean#clinic). — https://brandsweets.com/colors/teal
- **Dark Olive Green** #556b2f [harmony, pool: complementary] — Dark Olive Green sits directly opposite #04020d on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight. Seen in: Miro (https://brandsweets.com/colors/brands/miro-com), Cohere (https://brandsweets.com/colors/brands/cohere-com), Warp (https://brandsweets.com/colors/brands/warp-dev). — https://brandsweets.com/colors/darkolivegreen
- **Amber** #ffbf00 [pool] — Amber is paired with #04020d in 15 real palettes, including Southwest Airlines's brand system and Ahrefs's brand system, as the accent. Seen in: Southwest Airlines (https://brandsweets.com/colors/brands/southwest-com), Ahrefs (https://brandsweets.com/colors/brands/ahrefs-com), Mastodon hosted on mastodon.social (https://brandsweets.com/colors/brands/mastodon-social), NBA (https://brandsweets.com/colors/brands/nba-com). — https://brandsweets.com/colors/amber

## Contrast (WCAG 2.x, as text)

- On white (#ffffff): 20.6:1 — AA pass, AA-large pass, AAA pass
- On black (#000000): 1.02:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #7960e6 (4.63:1); AA: background → #787878 (4.66:1); AAA: text → #9a88ec (7.11:1); AAA: background → #999999 (7.23:1)

## Fonts for this mood

- technical: https://brandsweets.com/fonts/mood/technical
- modern: https://brandsweets.com/fonts/mood/modern
- luxury: https://brandsweets.com/fonts/mood/luxury
- bold: https://brandsweets.com/fonts/mood/bold

## Palette tool

Open this color locked as the lead with four explored companions: https://brandsweets.com/palettes/new/04020d-a89cc4-dfb34e-281f2d-e9ecf1?lock=0&style=vibrant
(Humans lock/regenerate in the tool; the URL is the state — read `lock=` back to see what they kept.)

## Connect an agent

Point any MCP client at the BrandSweets colors endpoint for the same engine:

- Endpoint: https://mcp.brandsweets.com/colors/mcp
- Tools: `analyze_color` (e.g. `analyze_color({ color: "#04020d" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.