#a31818 Color Information

In a RGB color space, hex #a31818 is composed of 63.9% red, 9.4% green and 9.4% blue. Whereas in a CMYK color space, it is composed of 0% cyan, 85.3% magenta, 85.3% yellow and 36.1% black. It has a hue angle of 0 degrees, a saturation of 74.3% and a lightness of 36.7%. #a31818 color hex could be obtained by blending #ff3030 with #470000. Closest websafe color is: #990000.

    • R 64
    • G 9
    • B 9
    RGB color chart
    • C 0
    • M 85
    • Y 85
    • K 36
    CMYK color chart

#a31818 color description : Dark red.

#a31818 Color Conversion

The hexadecimal color #a31818 has RGB values of R:163, G:24, B:24 and CMYK values of C:0, M:0.85, Y:0.85, K:0.36. Its decimal value is 10688536.

Hex triplet a31818 #a31818
RGB Decimal 163, 24, 24 rgb(163,24,24)
RGB Percent 63.9, 9.4, 9.4 rgb(63.9%,9.4%,9.4%)
CMYK 0, 85, 85, 36
HSL 0°, 74.3, 36.7 hsl(0,74.3%,36.7%)
HSV (or HSB) 0°, 85.3, 63.9
Web Safe 990000 #990000
CIE-LAB 35.019, 53.829, 38.123
XYZ 15.597, 8.508, 1.685
xyY 0.605, 0.33, 8.508
CIE-LCH 35.019, 65.961, 35.307
CIE-LUV 35.019, 101.486, 21.893
Hunter-Lab 29.168, 44.403, 16.992
Binary 10100011, 00011000, 00011000

Color Schemes with #a31818

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

Alternatives to #a31818

Below, you can see some colors close to #a31818. Having a set of related colors can be useful if you need an inspirational alternative to your original color choice.

Similar Colors

#a31818 Preview

Text with hexadecimal color #a31818

This text has a font color of #a31818.

<span style="color:#a31818;">Text here</span>
#a31818 background color

This paragraph has a background color of #a31818.

<p style="background-color:#a31818;">Content here</p>
#a31818 border color

This element has a border color of #a31818.

<div style="border:1px solid #a31818;">Content here</div>
CSS codes
.text {color:#a31818;}
.background {background-color:#a31818;}
.border {border:1px solid #a31818;}

Shades and Tints of #a31818

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, #090101 is the darkest color, while #fef7f7 is the lightest one.

Shade Color Variation
Tint Color Variation

Tones of #a31818

A tone is produced by adding gray to any pure hue. In this case, #625959 is the less saturated color, while #b90202 is the most saturated one.

Tone Color Variation

Color Blindness Simulator

Below, you can see how #a31818 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.

  • #424242 Achromatopsia 0.005% of the population
  • #553a3a Atypical Achromatopsia 0.001% of the population
  • #645b31 Protanopia 1% of men
  • #715615 Deuteranopia 1% of men
  • #a72423 Tritanopia 0.001% of the population
  • #7b4228 Protanomaly 1% of men, 0.01% of women
  • #834016 Deuteranomaly 6% of men, 0.4% of women
  • #a61f1f Tritanomaly 0.01% of the population