Dulux Midnight Iris 1 90BB 19/165

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What are Dulux Midnight Iris 1 undertones?
Is Midnight Iris 1 90BB 19/165 cool or warm?
How light temperature affects on Midnight Iris 1
Monochromatic color scheme
Complementary color scheme
Color comparison and matching
Color codes
Color equivalents

Code:	90BB 19/165
Name:	Midnight Iris 1
Brand:	Dulux

What color is Dulux Midnight Iris 1?

Dulux Midnight Iris 1 90BB 19/165 is a muted, medium-depth blue with grey and soft violet undertones. Its low-key saturation gives it a slightly smoky appearance, rather than a bright or crisp blue finish. In daylight, this color can read as a calm blue-grey, while warmer artificial lighting may bring out more of its violet cast. It suits bedrooms, studies, and living-room walls, especially alongside off-white trim, pale oak, brushed nickel, and charcoal textiles. For a stronger application, Midnight Iris 1 also has enough depth for painted cabinetry or a single focal wall.

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What are Dulux Midnight Iris 1 undertones?

Midnight Iris 1 is a midtone, muted plum. The HEX sample leans purple; this describes its measurable digital hue direction, not a hidden paint pigment. Warm light may bring out its red or mauve side, while cool daylight can make the violet direction clearer.

HEX value:

#6E718E

RGB code:

110, 113, 142

Is Dulux Midnight Iris 1 cool or warm?

warm

cool

With a hue of 234°, this dark blue leans cool, but it is near the neutral line and may feel warmer in certain lighting.

90BB 19/165 Midnight Iris 1 HSL code: 234, 13%, 49%

Hue - degree on a color wheel from 0 to 360. 0 is red, 120 is green, and 240 is blue.
Saturation is expressed as a percentage. At 0%, it appears as a shade of grey, and at 100%, it is in full color.
Lightness is also a percentage value. 0% is black, and 100% is white.

How light temperature affects Midnight Iris 1

Natural Lighting. During the day, natural light shifts from about 2000 K at sunrise/sunset to 5500–6500 K at noon.

Sunrise

Morning

Noon

Afternoon

Sunset

In addition, natural-light temperature depends on its direction:

Direction of sunlight	Visible temp.	Hue	Duration
North	Cool	Bluish	All day
East	Warm	Yellow	Before noon
West	Warm	Orange-red	After noon
South	Warm	Orange-yellow	All day

Artificial Lighting. When choosing bulbs, pay attention to their color temperature in Kelvins.
Use the slider to see how this dark blue shade looks under different lighting:

4000K

2000K

3000K

4000K

5000K

6000K

7000K

Coordinating colors.
Colors that go with Dulux Midnight Iris 1:

Monochromatic color scheme

This scheme consists of various shades, tints, and tones of a single color. While it offers a perfect combination of hues, without accent décor it may become monotonous.

Lighter shades

90BB 19/165
Midnight Iris 1

Complementary color scheme

This color scheme is a combination of two shades that are opposite each other on the color wheel. The high contrast between these colors creates a vibrant and dynamic visual effect. For the color Midnight Iris 1 with a blue hue, complementary colors are those with a orange hue close to 54, such as Dulux Nordic Bliss and Thimble Case.

90BB 19/165
Midnight Iris 1

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