#1b1f21 Color Information

In a RGB color space, hex #1b1f21 is composed of 10.6% red, 12.2% green and 12.9% blue. Whereas in a CMYK color space, it is composed of 18.2% cyan, 6.1% magenta, 0% yellow and 87.1% black. It has a hue angle of 200 degrees, a saturation of 10% and a lightness of 11.8%. #1b1f21 color hex could be obtained by blending #363e42 with #000000. Closest websafe color is: #333333.

    • R 11
    • G 12
    • B 13
    RGB color chart
    • C 18
    • M 6
    • Y 0
    • K 87
    CMYK color chart

#1b1f21 color description : Very dark (mostly black) blue.

#1b1f21 Color Conversion

The hexadecimal color #1b1f21 has RGB values of R:27, G:31, B:33 and CMYK values of C:0.18, M:0.06, Y:0, K:0.87. Its decimal value is 1777441.

Hex triplet 1b1f21 #1b1f21
RGB Decimal 27, 31, 33 rgb(27,31,33)
RGB Percent 10.6, 12.2, 12.9 rgb(10.6%,12.2%,12.9%)
CMYK 18, 6, 0, 87
HSL 200°, 10, 11.8 hsl(200,10%,11.8%)
HSV (or HSB) 200°, 18.2, 12.9
Web Safe 333333 #333333
CIE-LAB 11.434, -1.294, -1.992
XYZ 1.216, 1.323, 1.63
xyY 0.292, 0.317, 1.323
CIE-LCH 11.434, 2.375, 236.994
CIE-LUV 11.434, -1.534, -1.417
Hunter-Lab 11.501, -1.248, -0.352
Binary 00011011, 00011111, 00100001

Color Schemes with #1b1f21

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

Alternatives to #1b1f21

Below, you can see some colors close to #1b1f21. Having a set of related colors can be useful if you need an inspirational alternative to your original color choice.

Similar Colors

#1b1f21 Preview

Text with hexadecimal color #1b1f21

This text has a font color of #1b1f21.

<span style="color:#1b1f21;">Text here</span>
#1b1f21 background color

This paragraph has a background color of #1b1f21.

<p style="background-color:#1b1f21;">Content here</p>
#1b1f21 border color

This element has a border color of #1b1f21.

<div style="border:1px solid #1b1f21;">Content here</div>
CSS codes
.text {color:#1b1f21;}
.background {background-color:#1b1f21;}
.border {border:1px solid #1b1f21;}

Shades and Tints of #1b1f21

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, #010101 is the darkest color, while #f5f6f7 is the lightest one.

Shade Color Variation
Tint Color Variation

Tones of #1b1f21

A tone is produced by adding gray to any pure hue. In this case, #1d1e1f is the less saturated color, while #02273a is the most saturated one.

Tone Color Variation

Color Blindness Simulator

Below, you can see how #1b1f21 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.

  • #1e1e1e Achromatopsia 0.005% of the population
  • #1d1e1f Atypical Achromatopsia 0.001% of the population
  • #2a292c Protanopia 1% of men
  • #2c282d Deuteranopia 1% of men
  • #272a2d Tritanopia 0.001% of the population
  • #242528 Protanomaly 1% of men, 0.01% of women
  • #262528 Deuteranomaly 6% of men, 0.4% of women
  • #222628 Tritanomaly 0.01% of the population