Colour

#3F0055

#3F0055
Violet
Dark
Nearest: Midnight blue

#3F0055 is a violet with RGB values 63, 0, 85 and HSL 284°, 100%, 17%. It is a dark colour, so white text on it reaches 15.6:1 contrast (AAA for normal text). The nearest named colour is Midnight blue.

Colour values

#3F0055#3F0055

HEX#3F0055

RGBrgb(63, 0, 85)

RGB (0–1)0.2471, 0, 0.3333

RGB percentages24.7%, 0%, 33.3%

HSLhsl(284.5, 100%, 16.7%)

HSV / HSBhsv(284.5, 100%, 33.3%)

CMYK25.9%, 100%, 0%, 66.7%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer4,128,853

CSS custom property--colour: #3F0055;

Brightness & contrast

Relative luminance0.01713WCAG 2.x, 0 is black and 1 is white

Perceived brightness44.8 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 15.64:1

Contrast with white15.64:1WCAG normal text: AAA

Contrast with black1.34:1WCAG normal text: Fail

Greyscale equivalent#141414

Inverted#C0FFAA

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#002057no red cones; affects about 1% of men; ΔE 26.3 from the original

Deuteranopia#002553no green cones; the most common form, about 1% of men; ΔE 32.1 from the original

Tritanopia#3D192Eno blue cones; rare, and affects men and women equally; ΔE 34.9 from the original

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

Contrast with white, large text15.64:1WCAG large text: AAA

Contrast with black, large text1.34:1WCAG large text: Fail

Named colours

Midnight blue · ΔE 17.4 Indigo · ΔE 22.7 Rebecca purple · ΔE 22.9 Dark slateblue · ΔE 23.4 Purple · ΔE 24.5 Dark magenta · ΔE 29.3

Nearest named CSS colourMidnight blue (#191970)ΔE 17.35, a distinctly different colour

Hue familyviolet

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#165500

Analogous#140055, #550040

Triadic#553F00, #00553F

Split complementary#405500, #005515

Tetradic#551500, #165500, #004055

Tints, shades & saturation

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

Lighter +40%#C622FF

Lighter +30%#B000EE

Lighter +20%#8B00BB

Lighter +10%#650088

Darker −10%#190022

Darker −20%#000000

Darker −30%#000000

Darker −40%#000000

More saturated +25%#3F0055

Less saturated −25%#3A0B4A

Channel breakdown

R63

B85

Red63 (24.7%)

Green0 (0%)

Blue85 (33.3%)

Hue284.47°

Saturation (HSL)100%

Lightness16.67%

Dominant channelBlue

Hex per channelR 3F · G 00 · B 55

Keep nerding

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#3F0055

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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