# #0ca3e4

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

## Values

- Hex: `#0ca3e4`
- RGB: rgb(12, 163, 228)
- HSL: hsl(198, 90%, 47%)
- OKLCH: oklch(0.677 0.144 236.4)
- Relative luminance: 0.3187
- Nearest named color: Blue Burst (#309cd0, Δ 3.144) — https://brandsweets.com/colors/blue-burst
- Moods: cool, vivid, technical, modern
- Page: https://brandsweets.com/colors/0ca3e4

## Tints & shades

- Tints (toward white): #16b1f3, #2fb9f4, #47c1f5, #5fc9f7, #7cd3f8, #94dbf9, #ade3fb, #c5ebfc, #ddf4fd, #f5fcfe
- Shades (toward black): #0b95d0, #0a84b8, #0976a5, #086891, #075a7e, #054966, #043b52, #032d3f, #021c27, #010e13

## Harmonies

- Complementary: #e44d0c
- Analogous: #0ce4b9, #0c37e4
- Triadic: #e40ca3, #a3e40c
- Split-complementary: #e40c37, #e4b90c
- Tetradic: #b90ce4, #e44d0c, #37e40c

## Colors that go with #0ca3e4

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 #0ca3e4: softer than #000 and cool enough to feel like part of the same palette. Seen in: Lamborghini (https://brandsweets.com/colors/brands/lamborghini-com), Blizzard (https://brandsweets.com/colors/brands/blizzard-com), Lido (https://brandsweets.com/palettes/vivid#lido), Lagoon (https://brandsweets.com/palettes/vivid#lagoon). — https://brandsweets.com/colors/charcoal
- **Bronze** #cd7f32 [harmony, pool: complementary] — Bronze sits directly opposite #0ca3e4 on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight. Seen in: Opensea (https://brandsweets.com/colors/brands/opensea-io). — https://brandsweets.com/colors/bronze
- **Amber** #ffbf00 [pool] — Amber is paired with #0ca3e4 in 8 real palettes, including Salesforce's brand system and Heatwave, as the accent. Seen in: Salesforce (https://brandsweets.com/colors/brands/salesforce-com), Heatwave (https://brandsweets.com/palettes/warm#heatwave), NBA (https://brandsweets.com/colors/brands/nba-com), Blueprint (https://brandsweets.com/palettes/technical#blueprint). — https://brandsweets.com/colors/amber
- **Blue** #0000ff [pool] — 5 real palettes, including Unity's brand system and Warp's brand system put Blue beside #0ca3e4, as the supporting colour. Seen in: Unity (https://brandsweets.com/colors/brands/unity-com), Warp (https://brandsweets.com/colors/brands/warp-dev), Readymag (https://brandsweets.com/colors/brands/readymag-com), Qualcomm (https://brandsweets.com/colors/brands/qualcomm-com). — https://brandsweets.com/colors/blue
- **Dark Orange** #ff8c00 [pool] — Dark Orange shows up next to #0ca3e4 in 4 real palettes, including Elastic's brand system and Learning App, as the lead colour. Seen in: Elastic (https://brandsweets.com/colors/brands/elastic-co), Learning App (https://brandsweets.com/palettes/playful#learning-app), Playground (https://brandsweets.com/palettes/bold#playground), Ahrefs (https://brandsweets.com/colors/brands/ahrefs-com). — https://brandsweets.com/colors/darkorange
- **Denim** #1560bd [pool] — Designers have shipped Denim with #0ca3e4: 8 real palettes, including Gopro's brand system and Apple's brand system, as the lead colour. Seen in: Gopro (https://brandsweets.com/colors/brands/gopro-com), Apple (https://brandsweets.com/colors/brands/apple-com), Coca-Cola (https://brandsweets.com/colors/brands/coca-cola-com), Venmo (https://brandsweets.com/colors/brands/venmo-com). — https://brandsweets.com/colors/denim
- **Light Sky Blue** #87cefa [pool] — Light Sky Blue is paired with #0ca3e4 in 4 real palettes, including Calm's brand system and Salesforce's brand system, as the supporting colour. Seen in: Calm (https://brandsweets.com/colors/brands/calm-com), Salesforce (https://brandsweets.com/colors/brands/salesforce-com), Opensea (https://brandsweets.com/colors/brands/opensea-io), Netlify (https://brandsweets.com/colors/brands/netlify-com). — https://brandsweets.com/colors/lightskyblue
- **Midnight Blue** #191970 [pool] — 8 real palettes, including Kraken's brand system and SoFi's brand system put Midnight Blue beside #0ca3e4, as the lead colour. Seen in: Kraken (https://brandsweets.com/colors/brands/kraken-com), SoFi (https://brandsweets.com/colors/brands/sofi-com), Confluent (https://brandsweets.com/colors/brands/confluent-io), Blue Mono (https://brandsweets.com/palettes/cool#blue-mono). — https://brandsweets.com/colors/midnightblue

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

- On white (#ffffff): 2.85:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #097dae (4.61:1); AA: background → #303030 (4.63:1); AAA: text → #075e83 (7.15:1); AAA: background → #080808 (7.03:1)
- On black (#000000): 7.37:1 — AA pass, AA-large pass, AAA pass

## Brands using this color

- **Elastic** — secondary #00a9e5 (Δ 1.644) — https://brandsweets.com/colors/brands/elastic-co
- **Peacock** — accent #069de0 (Δ 1.701) — https://brandsweets.com/colors/brands/peacocktv-com

## Curated palettes containing it

- **Arctic** (clean, cool, minimal) — #0f1b2d, #7d93a8, #0ea5e9, #ffffff — Navy type on white with an ice-blue accent: crisp and corporate without going grey. — tool: https://brandsweets.com/palettes/new/0f1b2d-7d93a8-0ea5e9-ffffff — collection: https://brandsweets.com/palettes/clean

## Fonts for this mood

- technical: https://brandsweets.com/fonts/mood/technical
- 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/0ca3e4-9cb3c4-df4e69-1f232d-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: "#0ca3e4" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.