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Indigo

Sherwin-Williams 6531

HEX
#284A70
RGB
40, 74, 112
LAB
30.7, 0.6, -25.6
LRV
≈ 7
Family
Blue, cool
Nearest RAL
5000 Violet Blue
Check it on your photo

With an LRV of about 7, Indigo absorbs most of the light that reaches it. It makes a wall recede and a room feel smaller, and it needs good light to show its color. Sherwin-Williams does not publish an LRV for it, so this one is calculated from the color.

Indigo in other brands

  • Inky Sea Vista K-1244 Blue Very close ΔE 0.5
  • Blue Tang PPG 10-32 Blue Very close ΔE 0.8
  • Blue Tang Glidden PPG1160-7 Blue Very close ΔE 0.8
  • Saphir 65 Caparol 3D Saphir 65 Blue Very close ΔE 1.1
  • Sweet Thing Nerolac 2344 Blue Very close ΔE 1.2
  • Downpour Benjamin Moore 2063-20 Dark Blue Very close ΔE 1.2

Lighter and darker in Sherwin-Williams

How it looks with color blindness

  • Deuteranopia Reads as dark blue
  • Protanopia Reads as blue
  • Tritanopia Reads as teal
  • Achromatopsia Reads as dark gray

Under different light

  • Warm bulb, 2700 K Turns grayish blue
  • Neutral, 4000 K Turns dark blue
  • Daylight, 6500 K As listed

Questions

Is Indigo warm or cool?

Cool. Its LAB b value of -25.6 and a value of 0.6 lean toward blue or green, so it reads cooler next to a pure gray.

What is the closest Vista color to Indigo?

Inky Sea (K-1244), at ΔE 0.5. Under ΔE 2 the two are hard to tell apart on a wall.

What is the LRV of Indigo?

≈ 7. Sherwin-Williams does not publish an LRV for it, so this one is calculated from the color.