Colour

#641BA2

#641BA2
Violet
Dark
Nearest: Indigo

#641BA2 is a violet with RGB values 100, 27, 162 and HSL 272°, 71%, 37%. It is a dark colour, so white text on it reaches 9.5:1 contrast (AAA for normal text). The nearest named colour is Indigo.

Colour values

#641BA2#641BA2

HEX#641BA2

RGBrgb(100, 27, 162)

RGB (0–1)0.3922, 0.1059, 0.6353

RGB percentages39.2%, 10.6%, 63.5%

HSLhsl(272.4, 71.4%, 37.1%)

HSV / HSBhsv(272.4, 83.3%, 63.5%)

CMYK38.3%, 83.3%, 0%, 36.5%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer6,560,674

CSS custom property--colour: #641BA2;

Brightness & contrast

Relative luminance0.06102WCAG 2.x, 0 is black and 1 is white

Perceived brightness80.1 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 9.46:1

Contrast with white9.46:1WCAG normal text: AAA

Contrast with black2.22:1WCAG normal text: Fail

Greyscale equivalent#343434

Inverted#9BE45D

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#0045A6no red cones; affects about 1% of men; ΔE 33.4 from the original

Deuteranopia#00459Fno green cones; the most common form, about 1% of men; ΔE 36.5 from the original

Tritanopia#574160no blue cones; rare, and affects men and women equally; ΔE 58.4 from the original

Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning

Contrast with white, large text9.46:1WCAG large text: AAA

Contrast with black, large text2.22:1WCAG large text: Fail

Named colours

Indigo · ΔE 10.8 Rebecca purple · ΔE 16.6 Dark orchid · ΔE 17.1 Dark blue · ΔE 19 Navy · ΔE 19.6 Dark magenta · ΔE 20.7

Nearest named CSS colourIndigo (#4B0082)ΔE 10.84, a distinctly different colour

Hue familyviolet

CSS keyword usableNo exact keyword

Colour harmonies

base +30°+90°+120°+180°+210°+240°+270°+330°

Complementary#59A21B

Analogous#211BA2, #A21B9C

Triadic#A2641B, #1BA264

Split complementary#9CA21B, #1BA220

Tetradic#A2211B, #59A21B, #1B9CA2

Tints, shades & saturation

+40%+30%+20%+10%base -10%-20%-30%-40%

Lighter +40%#C89BEE

Lighter +30%#B06FE7

Lighter +20%#9843E0

Lighter +10%#7F22CE

Darker −10%#491476

Darker −20%#2E0C4B

Darker −30%#13051F

Darker −40%#000000

More saturated +25%#6603BA

Less saturated −25%#62338A

Channel breakdown

R100

G27

B162

Red100 (39.2%)

Green27 (10.6%)

Blue162 (63.5%)

Hue272.44°

Saturation (HSL)71.43%

Lightness37.06%

Dominant channelBlue

Hex per channelR 64 · G 1B · B A2

Keep nerding

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#641BA2

Colour values

Brightness & contrast

Colour vision & accessibility

Named colours

Colour harmonies

Tints, shades & saturation

Channel breakdown

Keep nerding

Harmonies

Lighter and darker

Similar named colours

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