# #0a131e

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

## Values

- Hex: `#0a131e`
- RGB: rgb(10, 19, 30)
- HSL: hsl(213, 50%, 8%)
- OKLCH: oklch(0.184 0.026 254)
- Relative luminance: 0.0062
- Nearest named color: Midnight Edition (#0c121b, Δ 0.669) — https://brandsweets.com/colors/midnight-edition
- Moods: cool, dark, luxury, bold, modern
- Page: https://brandsweets.com/colors/0a131e

## Tints & shades

- Tints (toward white): #162941, #213f63, #2d5586, #386ba8, #4b81c3, #6e99cf, #90b1da, #b3c9e6, #d5e2f1, #f7fafc
- Shades (toward black): #0a131f, #09111b, #09111b, #080f17, #080f17, #080f17, #060c13, #060c13, #050a0f, #050a0f

## Harmonies

- Complementary: #1f150a
- Analogous: #0a1e1f, #0b0a1f
- Triadic: #1f0a13, #131f0a
- Split-complementary: #1f0b0a, #1e1f0a
- Tetradic: #1f0a1e, #1f150a, #0a1f0b

## Colors that go with #0a131e

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 #0a131e without the hard edge of pure #000. Seen in: Amazon (https://brandsweets.com/colors/brands/amazon-com), Bloomberg (https://brandsweets.com/colors/brands/bloomberg-com), Codecademy (https://brandsweets.com/colors/brands/codecademy-com), dbt Labs (https://brandsweets.com/colors/brands/getdbt-com). — https://brandsweets.com/colors/charcoal
- **Amber** #ffbf00 [pool] — Amber is paired with #0a131e in 18 real palettes, including Lemon Squeezy's brand system and Southwest Airlines's brand system, as the lead colour. Seen in: Lemon Squeezy (https://brandsweets.com/colors/brands/lemonsqueezy-com), 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). — https://brandsweets.com/colors/amber
- **Blue** #0000ff [pool] — 21 real palettes, including Kia's brand system and MongoDB's brand system put Blue beside #0a131e, as the accent. Seen in: Kia (https://brandsweets.com/colors/brands/kia-com), MongoDB (https://brandsweets.com/colors/brands/mongodb-com), Monzo (https://brandsweets.com/colors/brands/monzo-com), League of Legends (https://brandsweets.com/colors/brands/leagueoflegends-com). — https://brandsweets.com/colors/blue
- **Blue Violet** #8a2be2 [pool] — Blue Violet is paired with #0a131e in 10 real palettes, including Prepare your taste buds...'s brand system and Klarna US's brand system, as the accent. Seen in: 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), Twitch (https://brandsweets.com/colors/brands/twitch-tv). — https://brandsweets.com/colors/blueviolet
- **Brown** #a52a2a [pool] — 5 real palettes, including State Farm's brand system and Velvet put Brown beside #0a131e, 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 Mailchimp's brand system and Qatar Airways's brand system put Burgundy beside #0a131e, as the accent. Seen in: Mailchimp (https://brandsweets.com/colors/brands/mailchimp-com), Qatar Airways (https://brandsweets.com/colors/brands/qatarairways-com), Rare Beauty (https://brandsweets.com/colors/brands/rarebeauty-com), Candlelight (https://brandsweets.com/palettes/warm#candlelight). — https://brandsweets.com/colors/burgundy
- **Burlywood** #deb887 [pool] — Burlywood is paired with #0a131e in 5 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 #0a131e: 9 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): 18.67:1 — AA pass, AA-large pass, AAA pass
- On black (#000000): 1.12:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #3e77bb (4.56:1); AA: background → #7d7d7d (4.54:1); AAA: text → #6e99cf (7.12:1); AAA: background → #a1a1a1 (7.23:1)

## Brands using this color

- **Kia** — primary #05141f (Δ 0.799) — https://brandsweets.com/colors/brands/kia-com
- **Kia** — text #05141f (Δ 0.799) — https://brandsweets.com/colors/brands/kia-com
- **MongoDB** — text #061621 (Δ 1.191) — https://brandsweets.com/colors/brands/mongodb-com
- **Monzo** — text #091723 (Δ 1.594) — https://brandsweets.com/colors/brands/monzo-com
- **Hugging Face** — primary #0b0f19 (Δ 1.608) — https://brandsweets.com/colors/brands/huggingface-co
- **Railway** — text #13111c (Δ 1.661) — https://brandsweets.com/colors/brands/railway-app
- **Lemon Squeezy** — text #121217 (Δ 1.858) — https://brandsweets.com/colors/brands/lemonsqueezy-com

## Curated palettes containing it

- **Ledger Dark** (dark, luxury, technical) — #c9a227, #7c8aa5, #34d399, #0c1222, #e8edf5 — Gold on midnight is the private-banking cue; the mint accent keeps it from feeling old-money stuffy. — tool: https://brandsweets.com/palettes/new/c9a227-7c8aa5-34d399-0c1222-e8edf5 — collection: https://brandsweets.com/palettes/dark
- **Estate** (luxury, dark, elegant) — #b08d57, #8a97a5, #c9c9c9, #101418, #eef1f4 — Bronze on charcoal signals premium listings; the silver accent handles secondary detail without adding color. — tool: https://brandsweets.com/palettes/new/b08d57-8a97a5-c9c9c9-101418-eef1f4 — collection: https://brandsweets.com/palettes/luxury

## 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/0a131e-9ca9c4-df584e-1f202d-e9f0f1?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: "#0a131e" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.