Colour

#3A1664

#3A1664
Violet
Dark
Nearest: Midnight blue

#3A1664 is a violet with RGB values 58, 22, 100 and HSL 268°, 64%, 24%. It is a dark colour, so white text on it reaches 14.2:1 contrast (AAA for normal text). The nearest named colour is Midnight blue.

Colour values

#3A1664#3A1664

HEX#3A1664

RGBrgb(58, 22, 100)

RGB (0–1)0.2275, 0.0863, 0.3922

RGB percentages22.7%, 8.6%, 39.2%

HSLhsl(267.7, 63.9%, 23.9%)

HSV / HSBhsv(267.7, 78%, 39.2%)

CMYK42%, 78%, 0%, 60.8%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer3,806,820

CSS custom property--colour: #3A1664;

Brightness & contrast

Relative luminance0.02393WCAG 2.x, 0 is black and 1 is white

Perceived brightness49.3 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 14.2:1

Contrast with white14.2:1WCAG normal text: AAA

Contrast with black1.48:1WCAG normal text: Fail

Greyscale equivalent#232323

Inverted#C5E99B

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#002B66no red cones; affects about 1% of men; ΔE 21.8 from the original

Deuteranopia#002A62no green cones; the most common form, about 1% of men; ΔE 23 from the original

Tritanopia#302A3Cno blue cones; rare, and affects men and women equally; ΔE 39.5 from the original

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

Contrast with white, large text14.2:1WCAG large text: AAA

Contrast with black, large text1.48:1WCAG large text: Fail

Named colours

Midnight blue · ΔE 11 Dark slateblue · ΔE 16.1 Rebecca purple · ΔE 19.4 Indigo · ΔE 22.6 Purple · ΔE 27.5 Navy · ΔE 29.1

Nearest named CSS colourMidnight blue (#191970)ΔE 11.04, a distinctly different colour

Hue familyviolet

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#406416

Analogous#161964, #611664

Triadic#643A16, #16643A

Split complementary#646116, #196416

Tetradic#641619, #406416, #166461

Tints, shades & saturation

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

Lighter +40%#9E68DE

Lighter +30%#843ED5

Lighter +20%#6A28B8

Lighter +10%#521F8E

Darker −10%#220D3A

Darker −20%#0A0410

Darker −30%#000000

Darker −40%#000000

More saturated +25%#390773

Less saturated −25%#3B2555

Channel breakdown

R58

G22

B100

Red58 (22.7%)

Green22 (8.6%)

Blue100 (39.2%)

Hue267.69°

Saturation (HSL)63.93%

Lightness23.92%

Dominant channelBlue

Hex per channelR 3A · G 16 · B 64

Keep nerding

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#3A1664

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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