Colour

#3B1663

#3B1663
Violet
Dark
Nearest: Midnight blue

#3B1663 is a violet with RGB values 59, 22, 99 and HSL 269°, 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

#3B1663#3B1663

HEX#3B1663

RGBrgb(59, 22, 99)

RGB (0–1)0.2314, 0.0863, 0.3882

RGB percentages23.1%, 8.6%, 38.8%

HSLhsl(268.8, 63.6%, 23.7%)

HSV / HSBhsv(268.8, 77.8%, 38.8%)

CMYK40.4%, 77.8%, 0%, 61.2%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer3,872,355

CSS custom property--colour: #3B1663;

Brightness & contrast

Relative luminance0.02404WCAG 2.x, 0 is black and 1 is white

Perceived brightness49.4 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 14.18:1

Contrast with white14.18:1WCAG normal text: AAA

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

Greyscale equivalent#232323

Inverted#C4E99C

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#002B65no red cones; affects about 1% of men; ΔE 22.2 from the original

Deuteranopia#002A61no green cones; the most common form, about 1% of men; ΔE 23.3 from the original

Tritanopia#32293Bno blue cones; rare, and affects men and women equally; ΔE 38.4 from the original

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

Contrast with white, large text14.18:1WCAG large text: AAA

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

Named colours

Midnight blue · ΔE 11.7 Dark slateblue · ΔE 16.2 Rebecca purple · ΔE 19.7 Indigo · ΔE 23.1 Purple · ΔE 27.5 Navy · ΔE 29.8

Nearest named CSS colourMidnight blue (#191970)ΔE 11.75, a distinctly different colour

Hue familyviolet

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#3E6316

Analogous#161763, #611663

Triadic#633B16, #16633B

Split complementary#636216, #176316

Tetradic#631618, #3E6316, #166362

Tints, shades & saturation

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

Lighter +40%#A068DD

Lighter +30%#863ED4

Lighter +20%#6D29B6

Lighter +10%#541F8D

Darker −10%#220D39

Darker −20%#090310

Darker −30%#000000

Darker −40%#000000

More saturated +25%#3A0772

Less saturated −25%#3C2554

Channel breakdown

R59

G22

B99

Red59 (23.1%)

Green22 (8.6%)

Blue99 (38.8%)

Hue268.83°

Saturation (HSL)63.64%

Lightness23.73%

Dominant channelBlue

Hex per channelR 3B · G 16 · B 63

Keep nerding

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#3B1663

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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