button · sample · Fable 5.1 · trial 071 of 100

the answer

#2563eb

model	Fable 5.1 claude-fable-5-1
effort	low
profile	room
cli version	2.1.283
started	2026-10-04 04:55:07 UTC
wall	2.4s
cost	$0.0060
turns	1
output tokens	92
thinking blocks	0
tool / bash / edit calls	0 / 0 / 0
denials	0
answer form	framed
rule met	yes
session	004366aa-8042-499c-a722-135369e96599

What the model said

`#2563EB` — a strong, accessible blue. It works well as a primary button color: white text on it passes WCAG AA contrast (about 5.2:1), and it reads clearly on both light and dark backgrounds.

For hover, darken it to `#1D4ED8`.