All About Color #641B1B

#641B1B

About #641B1B

#641B1B is a dark red color with the hex code #641B1B. In RGB it is red 100, green 27, blue 27; in HSL it is hue 0°, saturation 57%, lightness 25%; in CMYK it is 0%, 73%, 73%, 61%. Its contrast ratio is 12.25:1 on white and 1.71:1 on black.

#641B1B Color Conversion

Hex triplet64, 1B, 1B
CMYK0.00%, 73.00%, 73.00%, 60.78%
RGB Decimal100, 27, 27
HSL0°, 57%, 25%
RGB Octal144, 33, 33
HSV (HSB)0.00°, 73.00%, 39.22%
RGB Binary1100100, 11011, 11011
CIE-L*AB22.20, 32.69, 18.81
RGB Percent39.22%, 10.59%, 10.59%
CIE-L*CH22.20, 37.71, 29.92
XYZ5.85, 3.57, 1.42
CIE-L*UV22.20, 48.87, 10.54
xyY0.54, 0.33, 3.57
Hunter-Lab18.90, 22.13, 8.78
RYB39.22%, 10.59%, 10.59%

Color Accessibility Scores

#641B1B on a dark background: contrast 1.71:1, fails WCAG AA.
#641B1B on a light background: contrast 12.25:1, passes WCAG AAA.

Color Shades

Tints and shades of #641B1B, from lightest to darkest. Each swatch links to its own color page.

Related Palettes

Harmonious five-color palettes built around #641B1B. Open any of them in the Muzli palette generator.

Complementary palette

#641B1B · #AC2F2F · #1C0808 · #1B6464 · #2FACAC

Analogous palette

#641B64 · #641B40 · #641B1B · #64401B · #64641B

Triadic palette

#641B1B · #1B641B · #1B1B64 · #AC2F2F · #2FAC2F

Tetradic palette

#641B1B · #40641B · #1B6464 · #401B64 · #1C0808

Monochromatic palette

#140505 · #280B0B · #641B1B · #A02C2C · #CE4B4B

Generate more palettes containing #641B1B · Browse all color names

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