Tailwind Blue

Tailwind CSS's blue hue family — 11 stops from 50 (lightest) to 950 (darkest), forming a cool blue chromatic scale. Use directly as a brand palette or pair with an accent hue from another tailwind-* atom.

13 swatches 14 light roles 14 dark roles tailwindcoolchromatic

Swatches

blue-50
#EFF6FF
Lightest stop — page background in light mode.
blue-100
#DBEAFE
Very light surface — cards and panels on light background.
blue-200
#BEDBFF
Light divider, hairline, or subtle fill.
blue-300
#8EC5FF
Muted accent or disabled-state foreground in light mode.
blue-400
#51A2FF
Mid-light tint — soft accent, hover wash, decorative fill.
blue-500
#2B7FFF
Mid stop — the canonical brand hue for chromatic palettes.
blue-600
#155DFC
Mid-dark stop — primary action in light mode for chromatic palettes.
blue-700
#1447E6
Dark stop — pressed states, deeper emphasis.
blue-800
#193CB8
Very dark stop — heavy emphasis, secondary text on light.
blue-900
#1C398E
Near-darkest stop — body text on light, surface on dark.
blue-950
#162456
Darkest stop — page background in dark mode.
pure-white
#FFFFFF
Maximum-elevation surface and high-contrast text in dark mode.
pure-black
#000000
High-contrast text on light chromatic hues where the deepest stop reads as the hue, not black.

Mode role mappings

Light mode (14 roles)

accent → blue-700
accent-hover → blue-600
background → blue-50
error → blue-700
primary → blue-500
primary-hover → blue-600
success → blue-600
surface → blue-100
surface-elevated → pure-white
text-primary → blue-900
text-secondary → blue-800
text-tertiary → blue-600
warning → blue-300
warning-hover → blue-400

Dark mode (14 roles)

accent → blue-300
accent-hover → blue-200
background → blue-950
error → blue-300
primary → blue-400
primary-hover → blue-300
success → blue-400
surface → blue-900
surface-elevated → blue-800
text-primary → blue-50
text-secondary → blue-200
text-tertiary → blue-400
warning → blue-600
warning-hover → blue-500

Provenance

Source
https://tailwindcss.com/docs/colors
License
MIT
Attribution
Tailwind CSS colors, Copyright Tailwind Labs Inc., MIT licensed. Hex values derived from canonical OKLCH definitions in packages/tailwindcss/theme.css via the W3C CSS Color Module Level 4 OKLCH → sRGB conversion.
Imported
2026-05-17 (upstream version 4.3.0)