MinimalistUniversal

21st Century Blue

Valspar · V070-3

The Analysis

21st Century Blue is a mid-tone sky blue that reflects light well, making it an excellent choice for opening up compact or windowless rooms. Because of its 50.114 LRV, it sits right in the middle of the brightness scale, meaning it won't wash out in bright sun but remains light enough to prevent a room from feeling cramped.

This is a highly versatile shade that works best as a main wall color in spaces where you want a crisp, freshened appearance. It functions as a solid backdrop that highlights furniture rather than competing with it, making it perfect for main living areas or home offices.

LRV 50

History & Origin

This is a distinctly modern color choice that leans toward contemporary interior design. It avoids the heavy, muted tones of historical palettes in favor of a clean, tech-forward clarity that feels current.

Undertonecool
FamilyTeal

How to Use It

This blue pairs exceptionally well with warm wood tones like white oak to balance the coolness, or matte black hardware for a sharp, modern contrast. It is an ideal fit for bathrooms, kitchens, or laundry rooms where a hygienic and bright atmosphere is preferred.

The Mood

Living with this color feels clean, organized, and clear-headed. It is a stable, non-intrusive shade that provides a sense of order without being too clinical or overly energizing.

Colour harmonies

Complementary

Opposite on the colour wheel — bold, high-contrast pairings. Use for a feature wall or furniture you want to command attention.

Analogous

Neighbouring hues — cohesive and calm, great for layered schemes that feel collected rather than matched.

Split complementary

Near-opposites for strong contrast with a little less tension than a pure complement. A favourite of interior designers.

Triadic

Three evenly spaced hues — balanced, vibrant, and versatile. Keep one dominant and use the others sparingly.

Tetradic (square)

Four hues in a square on the wheel — rich, dynamic palettes. Best when one colour leads and the others accent.

Monochromatic

Dark, mid, and light steps on the same hue — a failsafe gradient for trim, walls, and accents without shifting colour family.

Brand Matches

Perceptually similar colours from across all brands in our database.

  • Hydrangea Blue

    Valspar · V031-1

  • Sky Fall

    Sherwin-Williams · SW9049

  • Endless Blue

    Valspar · V070-1

  • Horizon Haze

    Behr · 540B-4

  • ARCTIC BLUE

    Jotun · 4445

  • Caribbean Coast

    Behr · 550D-4

Lighting

See how this colour shifts across natural and artificial light conditions.

  • Natural