# #4e9fb1

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

## Values

- Hex: `#4e9fb1`
- RGB: rgb(78, 159, 177)
- HSL: hsl(191, 39%, 50%)
- OKLCH: oklch(0.659 0.083 214.2)
- Relative luminance: 0.2959
- Nearest named color: Atlas Cedar (#5ca0a7, Δ 1.944) — https://brandsweets.com/colors/atlas-cedar
- Moods: cool, modern
- Page: https://brandsweets.com/colors/4e9fb1

## Tints & shades

- Tints (toward white): #5fa9b9, #71b2c1, #7fbac7, #91c3cf, #a3cdd7, #b5d7de, #c6e0e6, #d4e8ec, #e6f2f4, #f8fbfc
- Shades (toward black): #468fa0, #408291, #387280, #326671, #2a5660, #22464e, #1c3940, #14292e, #0e1d20, #060d0e

## Harmonies

- Complementary: #b1604e
- Analogous: #4eb192, #4e6db1
- Triadic: #b14e9f, #9fb14e
- Split-complementary: #b14e6d, #b1924e
- Tetradic: #924eb1, #b1604e, #6db14e

## Colors that go with #4e9fb1

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 #4e9fb1: softer than #000 and cool enough to feel like part of the same palette. Seen in: Lido (https://brandsweets.com/palettes/vivid#lido), Dusty Blue (https://brandsweets.com/palettes/cool#dusty-blue), Coastal (https://brandsweets.com/palettes/cool#coastal), N26 (https://brandsweets.com/colors/brands/n26-com). — https://brandsweets.com/colors/charcoal
- **Terracotta** #e2725b [harmony, pool: complementary] — Terracotta sits directly opposite #4e9fb1 on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight. Seen in: Alpine (https://brandsweets.com/palettes/cool#alpine), Resort (https://brandsweets.com/palettes/light#resort). — https://brandsweets.com/colors/terracotta
- **Amber** #ffbf00 [pool] — Amber is paired with #4e9fb1 in 5 real palettes, including Beach Hut and Salesforce's brand system, as the supporting colour. Seen in: Beach Hut (https://brandsweets.com/palettes/light#beach-hut), Salesforce (https://brandsweets.com/colors/brands/salesforce-com), Blueprint (https://brandsweets.com/palettes/technical#blueprint), Wired (https://brandsweets.com/colors/brands/wired-com). — https://brandsweets.com/colors/amber
- **Copper** #b87333 [pool] — Designers have shipped Copper with #4e9fb1: 4 real palettes, including Dusk and Clean Beauty, as the accent. Seen in: Dusk (https://brandsweets.com/palettes/cool#dusk), Clean Beauty (https://brandsweets.com/palettes/minimal#clean-beauty), Atelier (https://brandsweets.com/palettes/elegant#atelier), Riverbed (https://brandsweets.com/palettes/muted#riverbed). — https://brandsweets.com/colors/copper
- **Cornflower Blue** #6495ed [harmony, pool: analogous] — Cornflower Blue is #4e9fb1's neighbour on the wheel, so the two read as one family — use it for hover states, gradients and secondary surfaces. Seen in: Arctic (https://brandsweets.com/palettes/clean#arctic), Canva (https://brandsweets.com/colors/brands/canva-com), Blueprint (https://brandsweets.com/palettes/technical#blueprint). — https://brandsweets.com/colors/cornflowerblue
- **Crimson** #dc143c [pool] — Crimson is paired with #4e9fb1 in 4 real palettes, including Diner and Retro Pop, as the lead colour. Seen in: Diner (https://brandsweets.com/palettes/vivid#diner), Retro Pop (https://brandsweets.com/palettes/playful#retro-pop), Redfin (https://brandsweets.com/colors/brands/redfin-com), Riot Games (https://brandsweets.com/colors/brands/riotgames-com). — https://brandsweets.com/colors/crimson
- **Denim** #1560bd [pool] — Designers have shipped Denim with #4e9fb1: 6 real palettes, including Dusk and Gopro's brand system, as the lead colour. Seen in: Dusk (https://brandsweets.com/palettes/cool#dusk), Gopro (https://brandsweets.com/colors/brands/gopro-com), Open House (https://brandsweets.com/palettes/clean#open-house), Peacock (https://brandsweets.com/palettes/vivid#peacock). — https://brandsweets.com/colors/denim
- **Midnight Blue** #191970 [pool] — 10 real palettes, including Ford's brand system and SoFi's brand system put Midnight Blue beside #4e9fb1, as the lead colour. Seen in: Ford (https://brandsweets.com/colors/brands/ford-com), SoFi (https://brandsweets.com/colors/brands/sofi-com), Confluent (https://brandsweets.com/colors/brands/confluent-io), Tide Pool (https://brandsweets.com/palettes/cool#tide-pool). — https://brandsweets.com/colors/midnightblue

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

- On white (#ffffff): 3.04:1 — AA fail, AA-large pass, AAA fail. Fix: AA: text → #3e7f8e (4.53:1); AA: background → #2b2b2b (4.66:1); AAA: text → #2f5f6a (7.08:1)
- On black (#000000): 6.92:1 — AA pass, AA-large pass, AAA fail. Fix: AAA: text → #51a1b3 (7.1:1)

## Fonts for this mood

- 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/4e9fb1-a2b6be-df4e7a-1f252d-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: "#4e9fb1" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.