# #010a13

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

## Values

- Hex: `#010a13`
- RGB: rgb(1, 10, 19)
- HSL: hsl(210, 90%, 4%)
- OKLCH: oklch(0.138 0.028 240.3)
- Relative luminance: 0.0027
- Nearest named color: Black Knight (#010b13, Δ 0.418) — https://brandsweets.com/colors/black-knight
- Moods: cool, vivid, dark, technical, modern, luxury, bold
- Page: https://brandsweets.com/colors/010a13

## Tints & shades

- Tints (toward white): #03213f, #063b6f, #08529b, #0b6bcb, #1282f3, #3d99f5, #6eb3f7, #99c9fa, #cae3fc, #f5fafe
- Shades (toward black): #010a13, #010a13, #010a13, #010a13, #010a13, #010a13, #010a13, #010a13, #010a13, #010a13

## Harmonies

- Complementary: #130a01
- Analogous: #011313, #010113
- Triadic: #13010a, #0a1301
- Split-complementary: #130101, #131301
- Tetradic: #130113, #130a01, #011301

## Colors that go with #010a13

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 #010a13 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 #010a13 in 16 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
- **Blue** #0000ff [pool] — 18 real palettes, including Pfizer's brand system and Glossier's brand system put Blue beside #010a13, as the supporting colour. Seen in: Pfizer (https://brandsweets.com/colors/brands/pfizer-com), Glossier (https://brandsweets.com/colors/brands/glossier-com), Uber (https://brandsweets.com/colors/brands/uber-com), Kia (https://brandsweets.com/colors/brands/kia-com). — https://brandsweets.com/colors/blue
- **Blue Violet** #8a2be2 [pool] — Blue Violet is paired with #010a13 in 10 real palettes, including Circuit and Render's brand system, as the lead colour. Seen in: Circuit (https://brandsweets.com/palettes/technical#circuit), Render (https://brandsweets.com/colors/brands/render-com), Twitch (https://brandsweets.com/colors/brands/twitch-tv), Gemstone (https://brandsweets.com/palettes/vivid#gemstone). — https://brandsweets.com/colors/blueviolet
- **Brown** #a52a2a [pool] — 4 real palettes, including Velvet and State Farm's brand system put Brown beside #010a13, as the lead colour. Seen in: Velvet (https://brandsweets.com/palettes/luxury#velvet), State Farm (https://brandsweets.com/colors/brands/statefarm-com), 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 #010a13, 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
- **Cadet Blue** #5f9ea0 [pool] — Designers have shipped Cadet Blue with #010a13: 6 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
- **Champagne** #f7e7ce [pool] — 8 real palettes, including Midnight Luxe and Sweetgreen's brand system put Champagne beside #010a13, as the text colour against it. Seen in: Midnight Luxe (https://brandsweets.com/palettes/luxury#midnight-luxe), Sweetgreen (https://brandsweets.com/colors/brands/sweetgreen-com), Bramble (https://brandsweets.com/palettes/muted#bramble), Coffee Bar (https://brandsweets.com/palettes/dark#coffee-bar). — https://brandsweets.com/colors/champagne

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

- On white (#ffffff): 19.92:1 — AA pass, AA-large pass, AAA pass
- On black (#000000): 1.05:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #0c75df (4.63:1); AA: background → #787878 (4.51:1); AAA: text → #3d99f5 (7.07:1); AAA: background → #9c9c9c (7.26:1)

## Brands using this color

- **Rare Beauty** — primary #000914 (Δ 0.646) — https://brandsweets.com/colors/brands/rarebeauty-com
- **Rare Beauty** — text #000914 (Δ 0.646) — https://brandsweets.com/colors/brands/rarebeauty-com
- **Airbus** — primary #070b11 (Δ 1.705) — https://brandsweets.com/colors/brands/airbus-com
- **Airbus** — text #070b11 (Δ 1.705) — https://brandsweets.com/colors/brands/airbus-com
- **Audible** — text #010e19 (Δ 1.873) — https://brandsweets.com/colors/brands/audible-com

## 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/010a13-9cabc4-df514e-1f202d-e9f1f1?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: "#010a13" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.