RGB 255, 0, 0 to HEX #ff0000

Red Colour

RGB(255, 0, 0) → #ff0000

Colour Values

RGB:255, 0, 0
HEX:#ff0000
HSL:0°, 100%, 50%
HSV:0°, 100%, 100%

CSS Code Examples

Background Colour:

background-color: #ff0000;

RGB Format:

background-color: rgb(255, 0, 0);

HSL Format:

background-color: hsl(0, 100%, 50%);

Accessibility Analysis

Contrast Ratios

On White Background:
4:1
On Black Background:
5.25:1AA

Brightness: 76/255 (30%)

Luminance: 0.213

Colour Psychology

Emotional Associations

PassionEnergyExcitementLoveAnger

Common Associations

FireBloodRosesValentine's DayStop Signs

Ideal Industries

Food & BeverageEntertainmentFashionAutomotiveEmergency Services

Colour Relationships

Complementary Colour

#00ffffRGB(0, 255, 255)

Analogous Colours

#ff0080RGB(255, 0, 128)
#ff8000RGB(255, 128, 0)

Triadic Colours

#00ff00RGB(0, 255, 0)
#0000ffRGB(0, 0, 255)

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