Recognised as Colour

#3901A9

#3901A9
Violet
Dark
Nearest: Dark blue

#3901A9 is a violet with RGB values 57, 1, 169 and HSL 260°, 99%, 33%. It is a dark colour, so white text on it reaches 12:1 contrast (AAA for normal text). The nearest named colour is Dark blue.

Colour values

#3901A9#3901A9

HEX#3901A9

RGBrgb(57, 1, 169)

RGB (0–1)0.2235, 0.0039, 0.6627

RGB percentages22.4%, 0.4%, 66.3%

HSLhsl(260, 98.8%, 33.3%)

HSV / HSBhsv(260, 99.4%, 66.3%)

CMYK66.3%, 99.4%, 0%, 33.7%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer3,735,977

CSS custom property--colour: #3901A9;

Brightness & contrast

Relative luminance0.03756WCAG 2.x, 0 is black and 1 is white

Perceived brightness65 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 11.99:1

Contrast with white11.99:1WCAG normal text: AAA

Contrast with black1.75:1WCAG normal text: Fail

Greyscale equivalent#191919

Inverted#C6FE56

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#003BADno red cones; affects about 1% of men; ΔE 30 from the original

Deuteranopia#0031A7no green cones; the most common form, about 1% of men; ΔE 25 from the original

Tritanopia#004362no blue cones; rare, and affects men and women equally; ΔE 82.3 from the original

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

Contrast with white, large text11.99:1WCAG large text: AAA

Contrast with black, large text1.75:1WCAG large text: Fail

Named colours

Dark blue · ΔE 12.9 Navy · ΔE 17.7 Medium blue · ΔE 19.7 Indigo · ΔE 21.8 Blue violet · ΔE 22.1 Dark violet · ΔE 24.1

Nearest named CSS colourDark blue (#00008B)ΔE 12.93, a distinctly different colour

Hue familyviolet

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#71A901

Analogous#011DA9, #8D01A9

Triadic#A93901, #01A939

Split complementary#A98D01, #1DA901

Tetradic#A9011D, #71A901, #01A98D

Tints, shades & saturation

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

Lighter +40%#A578FE

Lighter +30%#8345FE

Lighter +20%#6112FE

Lighter +10%#4A01DC

Darker −10%#280176

Darker −20%#170044

Darker −30%#060011

Darker −40%#000000

More saturated +25%#3900AA

Less saturated −25%#401694

Channel breakdown

R57

B169

Red57 (22.4%)

Green1 (0.4%)

Blue169 (66.3%)

Hue260°

Saturation (HSL)98.82%

Lightness33.33%

Dominant channelBlue

Hex per channelR 39 · G 01 · B A9

Keep nerding

Every link below is a page Nerdulator can generate from what it already knows about this value.

#3901A9

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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