#a31900 Color Information

In a RGB color space, hex #a31900 is composed of 63.9% red, 9.8% green and 0% blue. Whereas in a CMYK color space, it is composed of 0% cyan, 84.7% magenta, 100% yellow and 36.1% black. It has a hue angle of 9.2 degrees, a saturation of 100% and a lightness of 32%. #a31900 color hex could be obtained by blending #ff3200 with #470000. Closest websafe color is: #990000.

    • R 64
    • G 10
    • B 0
    RGB color chart
    • C 0
    • M 85
    • Y 100
    • K 36
    CMYK color chart

#a31900 color description : Dark red.

#a31900 Color Conversion

The hexadecimal color #a31900 has RGB values of R:163, G:25, B:0 and CMYK values of C:0, M:0.85, Y:1, K:0.36. Its decimal value is 10688768.

Hex triplet a31900 #a31900
RGB Decimal 163, 25, 0 rgb(163,25,0)
RGB Percent 63.9, 9.8, 0 rgb(63.9%,9.8%,0%)
CMYK 0, 85, 100, 36
HSL 9.2°, 100, 32 hsl(9.2,100%,32%)
HSV (or HSB) 9.2°, 100, 63.9
Web Safe 990000 #990000
CIE-LAB 34.971, 53.191, 48.51
XYZ 15.453, 8.484, 0.824
xyY 0.624, 0.343, 8.484
CIE-LCH 34.971, 71.989, 42.364
CIE-LUV 34.971, 103.612, 26.18
Hunter-Lab 29.127, 43.728, 18.712
Binary 10100011, 00011001, 00000000

Color Schemes with #a31900

Complementary Color
Analogous Color
Split Complementary Color
Triadic Color
Tetradic Color
Monochromatic Color

Alternatives to #a31900

Below, you can see some colors close to #a31900. Having a set of related colors can be useful if you need an inspirational alternative to your original color choice.

Similar Colors

#a31900 Preview

Text with hexadecimal color #a31900

This text has a font color of #a31900.

<span style="color:#a31900;">Text here</span>
#a31900 background color

This paragraph has a background color of #a31900.

<p style="background-color:#a31900;">Content here</p>
#a31900 border color

This element has a border color of #a31900.

<div style="border:1px solid #a31900;">Content here</div>
CSS codes
.text {color:#a31900;}
.background {background-color:#a31900;}
.border {border:1px solid #a31900;}

Shades and Tints of #a31900

A shade is achieved by adding black to any pure hue, while a tint is created by mixing white to any pure color. In this example, #060100 is the darkest color, while #fff4f1 is the lightest one.

Shade Color Variation
Tint Color Variation

Tones of #a31900

A tone is produced by adding gray to any pure hue. In this case, #584d4b is the less saturated color, while #a31900 is the most saturated one.

Tone Color Variation

Color Blindness Simulator

Below, you can see how #a31900 is perceived by people affected by a color vision deficiency. This can be useful if you need to ensure your color combinations are accessible to color-blind users.

  • #3f3f3f Achromatopsia 0.005% of the population
  • #533732 Atypical Achromatopsia 0.001% of the population
  • #665b15 Protanopia 1% of men
  • #715600 Deuteranopia 1% of men
  • #a82222 Tritanopia 0.001% of the population
  • #7c430d Protanomaly 1% of men, 0.01% of women
  • #834000 Deuteranomaly 6% of men, 0.4% of women
  • #a61f15 Tritanomaly 0.01% of the population