# #0a191f

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

## Values

- Hex: `#0a191f`
- RGB: rgb(10, 25, 31)
- HSL: hsl(197, 51%, 8%)
- OKLCH: oklch(0.203 0.024 225.9)
- Relative luminance: 0.0086
- Nearest named color: Black Stallion (#0e191c, Δ 0.773) — https://brandsweets.com/colors/black-stallion
- Moods: cool, dark, luxury, bold, modern
- Page: https://brandsweets.com/colors/0a191f

## Tints & shades

- Tints (toward white): #153541, #205164, #2c6d87, #3789a9, #4aa2c4, #6db4d0, #8fc5db, #b2d7e6, #d5e9f1, #f7fbfd
- Shades (toward black): #0a191f, #09161b, #09161b, #071317, #071317, #071317, #061013, #061013, #050c0f, #050c0f

## Harmonies

- Complementary: #1f100a
- Analogous: #0a1f1a, #0a0f1f
- Triadic: #1f0a19, #191f0a
- Split-complementary: #1f0a0f, #1f1a0a
- Tetradic: #1a0a1f, #1f100a, #0f1f0a

## Colors that go with #0a191f

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 #0a191f without the hard edge of pure #000. Seen in: Vimeo (https://brandsweets.com/colors/brands/vimeo-com), Asana (https://brandsweets.com/colors/brands/asana-com), Puma (https://brandsweets.com/colors/brands/puma-com), Hinge (https://brandsweets.com/colors/brands/hinge-co). — https://brandsweets.com/colors/charcoal
- **Amber** #ffbf00 [pool] — Amber is paired with #0a191f in 18 real palettes, including Blueprint and Lemon Squeezy's brand system, as the accent. Seen in: Blueprint (https://brandsweets.com/palettes/technical#blueprint), Lemon Squeezy (https://brandsweets.com/colors/brands/lemonsqueezy-com), Warner Bros. (https://brandsweets.com/colors/brands/warnerbros-com), Ahrefs (https://brandsweets.com/colors/brands/ahrefs-com). — https://brandsweets.com/colors/amber
- **Blue** #0000ff [pool] — 23 real palettes, including Monzo's brand system and MongoDB's brand system put Blue beside #0a191f, as the accent. Seen in: Monzo (https://brandsweets.com/colors/brands/monzo-com), MongoDB (https://brandsweets.com/colors/brands/mongodb-com), Kia (https://brandsweets.com/colors/brands/kia-com), CVS (https://brandsweets.com/colors/brands/cvs-com). — https://brandsweets.com/colors/blue
- **Blue Violet** #8a2be2 [pool] — Blue Violet is paired with #0a191f in 10 real palettes, including Yahoo's brand system and Prepare your taste buds...'s brand system, as the supporting colour. Seen in: Yahoo (https://brandsweets.com/colors/brands/yahoo-com), Prepare your taste buds... (https://brandsweets.com/colors/brands/grubhub-com), Klarna US (https://brandsweets.com/colors/brands/klarna-com), Taco Bell (https://brandsweets.com/colors/brands/tacobell-com). — https://brandsweets.com/colors/blueviolet
- **Blush Pink** #e8b4b8 [pool] — 5 real palettes, including Estate and Cartier's brand system put Blush Pink beside #0a191f, as the accent. Seen in: Estate (https://brandsweets.com/palettes/luxury#estate), Cartier (https://brandsweets.com/colors/brands/cartier-com), Graphite Mono (https://brandsweets.com/palettes/neutral#graphite-mono), Rain Garden (https://brandsweets.com/palettes/cool#rain-garden). — https://brandsweets.com/colors/blush-pink
- **Brown** #a52a2a [pool] — 5 real palettes, including State Farm's brand system and Woodsmoke put Brown beside #0a191f, as the supporting colour. Seen in: State Farm (https://brandsweets.com/colors/brands/statefarm-com), Woodsmoke (https://brandsweets.com/palettes/dark#woodsmoke), Garnet (https://brandsweets.com/palettes/warm#garnet), Velvet (https://brandsweets.com/palettes/luxury#velvet). — https://brandsweets.com/colors/brown
- **Burgundy** #800020 [pool] — 4 real palettes, including Qatar Airways's brand system and Mailchimp's brand system put Burgundy beside #0a191f, as the accent. Seen in: Qatar Airways (https://brandsweets.com/colors/brands/qatarairways-com), Mailchimp (https://brandsweets.com/colors/brands/mailchimp-com), Candlelight (https://brandsweets.com/palettes/warm#candlelight), Rare Beauty (https://brandsweets.com/colors/brands/rarebeauty-com). — https://brandsweets.com/colors/burgundy
- **Burlywood** #deb887 [pool] — Burlywood is paired with #0a191f in 6 real palettes, including Coffee Bar and Velvet, as the accent. Seen in: Coffee Bar (https://brandsweets.com/palettes/dark#coffee-bar), Velvet (https://brandsweets.com/palettes/luxury#velvet), Kiln (https://brandsweets.com/palettes/dark#kiln), Chalkboard (https://brandsweets.com/palettes/dark#chalkboard). — https://brandsweets.com/colors/burlywood

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

- On white (#ffffff): 17.92:1 — AA pass, AA-large pass, AAA pass
- On black (#000000): 1.17:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #327d9a (4.54:1); AA: background → #808080 (4.54:1); AAA: text → #46a0c3 (7.08:1); AAA: background → #a3a3a3 (7.1:1)

## Brands using this color

- **Affirm** — text #101820 (Δ 0.968) — https://brandsweets.com/colors/brands/affirm-com
- **Chase** — text #101820 (Δ 0.968) — https://brandsweets.com/colors/brands/chase-com
- **Character** — primary #11181c (Δ 1.087) — https://brandsweets.com/colors/brands/character-ai
- **Character** — text #11181c (Δ 1.087) — https://brandsweets.com/colors/brands/character-ai
- **Monzo** — text #091723 (Δ 1.288) — https://brandsweets.com/colors/brands/monzo-com
- **MongoDB** — text #061621 (Δ 1.505) — https://brandsweets.com/colors/brands/mongodb-com
- **Vimeo** — text #141a20 (Δ 1.621) — https://brandsweets.com/colors/brands/vimeo-com
- **Perplexity** — text #091717 (Δ 1.639) — https://brandsweets.com/colors/brands/perplexity
- **Philips** — primary #15191e (Δ 1.685) — https://brandsweets.com/colors/brands/philips-com
- **Philips** — text #15191e (Δ 1.685) — https://brandsweets.com/colors/brands/philips-com

## Fonts for this mood

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

## Palette tool

Open this color locked as the lead with four explored companions: https://brandsweets.com/palettes/new/0a191f-9cb4c4-df4e6b-1f232d-e9f1ef?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: "#0a191f" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.