#663f3f Color Information

In a RGB color space, hex #663f3f is composed of 40% red, 24.7% green and 24.7% blue. Whereas in a CMYK color space, it is composed of 0% cyan, 38.2% magenta, 38.2% yellow and 60% black. It has a hue angle of 0 degrees, a saturation of 23.6% and a lightness of 32.4%. #663f3f color hex could be obtained by blending #cc7e7e with #000000. Closest websafe color is: #663333.

    • R 40
    • G 25
    • B 25
    RGB color chart
    • C 0
    • M 38
    • Y 38
    • K 60
    CMYK color chart

#663f3f color description : Very dark desaturated red.

#663f3f Color Conversion

The hexadecimal color #663f3f has RGB values of R:102, G:63, B:63 and CMYK values of C:0, M:0.38, Y:0.38, K:0.6. Its decimal value is 6700863.

Hex triplet 663f3f #663f3f
RGB Decimal 102, 63, 63 rgb(102,63,63)
RGB Percent 40, 24.7, 24.7 rgb(40%,24.7%,24.7%)
CMYK 0, 38, 38, 60
HSL 0°, 23.6, 32.4 hsl(0,23.6%,32.4%)
HSV (or HSB) 0°, 38.2, 40
Web Safe 663333 #663333
CIE-LAB 31.206, 17.05, 7.128
XYZ 8.154, 6.739, 5.574
xyY 0.398, 0.329, 6.739
CIE-LCH 31.206, 18.48, 22.69
CIE-LUV 31.206, 24.787, 5.345
Hunter-Lab 25.96, 10.639, 5.442
Binary 01100110, 00111111, 00111111

Color Schemes with #663f3f

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

Alternatives to #663f3f

Below, you can see some colors close to #663f3f. Having a set of related colors can be useful if you need an inspirational alternative to your original color choice.

Similar Colors

#663f3f Preview

Text with hexadecimal color #663f3f

This text has a font color of #663f3f.

<span style="color:#663f3f;">Text here</span>
#663f3f background color

This paragraph has a background color of #663f3f.

<p style="background-color:#663f3f;">Content here</p>
#663f3f border color

This element has a border color of #663f3f.

<div style="border:1px solid #663f3f;">Content here</div>
CSS codes
.text {color:#663f3f;}
.background {background-color:#663f3f;}
.border {border:1px solid #663f3f;}

Shades and Tints of #663f3f

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, #050303 is the darkest color, while #fbf8f8 is the lightest one.

Shade Color Variation
Tint Color Variation

Tones of #663f3f

A tone is produced by adding gray to any pure hue. In this case, #535252 is the less saturated color, while #9f0606 is the most saturated one.

Tone Color Variation

Color Blindness Simulator

Below, you can see how #663f3f 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.

Monochromacy
  • #4b4b4b Achromatopsia 0.005% of the population
  • #504949 Atypical Achromatopsia 0.001% of the population
Dichromacy
  • #55524d Protanopia 1% of men
  • #5e4f47 Deuteranopia 1% of men
  • #6e484d Tritanopia 0.001% of the population
Trichromacy
  • #5b4b48 Protanomaly 1% of men, 0.01% of women
  • #614944 Deuteranomaly 6% of men, 0.4% of women
  • #6b4448 Tritanomaly 0.01% of the population