# #040e15

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

## Values

- Hex: `#040e15`
- RGB: rgb(4, 14, 21)
- HSL: hsl(205, 68%, 5%)
- OKLCH: oklch(0.157 0.023 237)
- Relative luminance: 0.0039
- Nearest named color: Dark Rift (#060b14, Δ 1.188) — https://brandsweets.com/colors/dark-rift
- Moods: cool, vivid, dark, technical, modern, luxury, bold
- Page: https://brandsweets.com/colors/040e15

## Tints & shades

- Tints (toward white): #0b283c, #144467, #1b5e8d, #2277b4, #3192d8, #58a7df, #7ebbe7, #a5d0ee, #d0e6f6, #f6fafd
- Shades (toward black): #040e15, #040e15, #040e15, #040e15, #040e15, #030b11, #030b11, #030b11, #030b11, #030b11

## Harmonies

- Complementary: #150b04
- Analogous: #041514, #040615
- Triadic: #15040e, #0e1504
- Split-complementary: #150406, #151404
- Tetradic: #140415, #150b04, #061504

## Colors that go with #040e15

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 that reads cleanly against #040e15 without the hard edge of pure #000. 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
- **Amber** #ffbf00 [pool] — Amber is paired with #040e15 in 16 real palettes, including Ahrefs's brand system and Mastodon hosted on mastodon.social's brand system, as the supporting colour. Seen in: 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), Salesforce (https://brandsweets.com/colors/brands/salesforce-com). — https://brandsweets.com/colors/amber
- **Blue** #0000ff [pool] — 18 real palettes, including Pfizer's brand system and Kia's brand system put Blue beside #040e15, as the supporting colour. Seen in: Pfizer (https://brandsweets.com/colors/brands/pfizer-com), Kia (https://brandsweets.com/colors/brands/kia-com), native Cybersecurity (https://brandsweets.com/colors/brands/crowdstrike-com), EA (https://brandsweets.com/colors/brands/ea-com). — https://brandsweets.com/colors/blue
- **Blue Violet** #8a2be2 [pool] — Blue Violet is paired with #040e15 in 10 real palettes, including Twitch's brand system and Render's brand system, as the lead colour. Seen in: Twitch (https://brandsweets.com/colors/brands/twitch-tv), Render (https://brandsweets.com/colors/brands/render-com), Neobank (https://brandsweets.com/palettes/vivid#neobank), Circuit (https://brandsweets.com/palettes/technical#circuit). — https://brandsweets.com/colors/blueviolet
- **Brown** #a52a2a [pool] — 4 real palettes, including State Farm's brand system and Velvet put Brown beside #040e15, as the supporting colour. Seen in: State Farm (https://brandsweets.com/colors/brands/statefarm-com), Velvet (https://brandsweets.com/palettes/luxury#velvet), Garnet (https://brandsweets.com/palettes/warm#garnet), Woodsmoke (https://brandsweets.com/palettes/dark#woodsmoke). — https://brandsweets.com/colors/brown
- **Burgundy** #800020 [pool] — 4 real palettes, including Rare Beauty's brand system and Mailchimp's brand system put Burgundy beside #040e15, as the supporting colour. Seen in: Rare Beauty (https://brandsweets.com/colors/brands/rarebeauty-com), Mailchimp (https://brandsweets.com/colors/brands/mailchimp-com), Qatar Airways (https://brandsweets.com/colors/brands/qatarairways-com), Candlelight (https://brandsweets.com/palettes/warm#candlelight). — https://brandsweets.com/colors/burgundy
- **Burlywood** #deb887 [pool] — Burlywood is paired with #040e15 in 4 real palettes, including Velvet and Coffee Bar, as the accent. Seen in: Velvet (https://brandsweets.com/palettes/luxury#velvet), Coffee Bar (https://brandsweets.com/palettes/dark#coffee-bar), Kiln (https://brandsweets.com/palettes/dark#kiln), Chalkboard (https://brandsweets.com/palettes/dark#chalkboard). — https://brandsweets.com/colors/burlywood
- **Cadet Blue** #5f9ea0 [pool] — Designers have shipped Cadet Blue with #040e15: 7 real palettes, including Estate and Arctic, as the supporting colour. Seen in: Estate (https://brandsweets.com/palettes/luxury#estate), Arctic (https://brandsweets.com/palettes/clean#arctic), Diner (https://brandsweets.com/palettes/vivid#diner), Alpine (https://brandsweets.com/palettes/cool#alpine). — https://brandsweets.com/colors/cadetblue

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

- On white (#ffffff): 19.47:1 — AA pass, AA-large pass, AAA pass
- On black (#000000): 1.08:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #237ab8 (4.55:1); AA: background → #7a7a7a (4.53:1); AAA: text → #439cdb (7.02:1); AAA: background → #9c9c9c (7.09:1)

## Brands using this color

- **Audible** — text #010e19 (Δ 1.043) — https://brandsweets.com/colors/brands/audible-com
- **Airbus** — primary #070b11 (Δ 1.327) — https://brandsweets.com/colors/brands/airbus-com
- **Airbus** — text #070b11 (Δ 1.327) — https://brandsweets.com/colors/brands/airbus-com
- **Hugging Face** — primary #0b0f19 (Δ 1.715) — https://brandsweets.com/colors/brands/huggingface-co
- **Olympics** — text #0d0d10 (Δ 1.928) — https://brandsweets.com/colors/brands/olympics-com
- **Linear** — text #0d0e10 (Δ 1.975) — https://brandsweets.com/colors/brands/linear

## Curated palettes containing it

- **Terminal** (technical, dark, modern) — #3fb950, #58a6ff, #f778ba, #0b0f14, #e6edf3 — Green for success, blue for links, pink for emphasis — the dark-mode developer family, tuned to sit on near-black without glare. — tool: https://brandsweets.com/palettes/new/3fb950-58a6ff-f778ba-0b0f14-e6edf3 — collection: https://brandsweets.com/palettes/technical
- **Midnight Luxe** (luxury, dark, elegant) — #cbb26a, #8b83a8, #b8b8c8, #0a0a12, #efe9dd — Champagne gold on ink-navy with a violet undertone — hotels and spirits use it because it reads expensive at any size. — tool: https://brandsweets.com/palettes/new/cbb26a-8b83a8-b8b8c8-0a0a12-efe9dd — collection: https://brandsweets.com/palettes/luxury
- **Arcade** (neon, vivid, dark, bold) — #ff2e88, #00f0ff, #faff00, #0a0a14, #f5f5ff — Hot pink, cyan and acid yellow on near-black — cabinet-glow neon; the black surface is what makes the colours light up. — tool: https://brandsweets.com/palettes/new/ff2e88-00f0ff-faff00-0a0a14-f5f5ff — collection: https://brandsweets.com/palettes/neon

## 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/040e15-9cafc4-df4e58-1f212d-e9f1f0?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: "#040e15" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.