All About Color #3F21AB

#3F21AB

About #3F21AB

#3F21AB is a medium blue color with the hex code #3F21AB. In RGB it is red 63, green 33, blue 171; in HSL it is hue 253°, saturation 68%, lightness 40%; in CMYK it is 63%, 81%, 0%, 33%. Its contrast ratio is 10.41:1 on white and 2.02:1 on black.

#3F21AB Color Conversion

Hex triplet3F, 21, AB
CMYK63.16%, 80.70%, 0.00%, 32.94%
RGB Decimal63, 33, 171
HSL253°, 68%, 40%
RGB Octal77, 41, 253
HSV (HSB)253.04°, 80.70%, 67.06%
RGB Binary111111, 100001, 10101011
CIE-L*AB26.97, 50.37, -67.92
RGB Percent24.71%, 12.94%, 67.06%
CIE-L*CH26.97, 84.56, 306.56
XYZ9.94, 5.08, 38.99
CIE-L*UV26.97, -0.72, -85.24
xyY0.18, 0.09, 5.08
Hunter-Lab22.55, 39.26, -86.72
RYB24.71%, 12.94%, 67.06%

Color Accessibility Scores

#3F21AB on a dark background: contrast 2.02:1, fails WCAG AA.
#3F21AB on a light background: contrast 10.41:1, passes WCAG AAA.

Color Shades

Tints and shades of #3F21AB, from lightest to darkest. Each swatch links to its own color page.

Related Palettes

Harmonious five-color palettes built around #3F21AB. Open any of them in the Muzli palette generator.

Complementary palette

#3F21AB · #6B4BDD · #22125E · #8DAB21 · #BDDD4B

Analogous palette

#218DAB · #2148AB · #3F21AB · #8421AB · #AB218D

Triadic palette

#3F21AB · #AB3F21 · #21AB3F · #6B4BDD · #DD6B4B

Tetradic palette

#3F21AB · #AB2148 · #8DAB21 · #21AB84 · #22125E

Monochromatic palette

#10082B · #27146B · #3F21AB · #603EDA · #957EE7

Generate more palettes containing #3F21AB · Browse all color names

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