Colour

#3F00DD

#3F00DD
Violet
Dark
Nearest: Medium blue

#3F00DD is a violet with RGB values 63, 0, 221 and HSL 257°, 100%, 43%. It is a dark colour, so white text on it reaches 9.3:1 contrast (AAA for normal text). The nearest named colour is Medium blue.

Colour values

#3F00DD#3F00DD

HEX#3F00DD

RGBrgb(63, 0, 221)

RGB (0–1)0.2471, 0, 0.8667

RGB percentages24.7%, 0%, 86.7%

HSLhsl(257.1, 100%, 43.3%)

HSV / HSBhsv(257.1, 100%, 86.7%)

CMYK71.5%, 100%, 0%, 13.3%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer4,128,989

CSS custom property--colour: #3F00DD;

Brightness & contrast

Relative luminance0.06277WCAG 2.x, 0 is black and 1 is white

Perceived brightness82.2 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 9.31:1

Contrast with white9.31:1WCAG normal text: AAA

Contrast with black2.26:1WCAG normal text: Fail

Greyscale equivalent#1D1D1D

Inverted#C0FF22

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#004FE2no red cones; affects about 1% of men; ΔE 36.9 from the original

Deuteranopia#003EDAno green cones; the most common form, about 1% of men; ΔE 27.8 from the original

Tritanopia#005A81no blue cones; rare, and affects men and women equally; ΔE 102.3 from the original

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

Contrast with white, large text9.31:1WCAG large text: AAA

Contrast with black, large text2.26:1WCAG large text: Fail

Named colours

Medium blue · ΔE 7.1 Blue · ΔE 17.4 Blue violet · ΔE 21.3 Dark violet · ΔE 24.1 Dark orchid · ΔE 35.4 Dark blue · ΔE 35.4

Nearest named CSS colourMedium blue (#0000CD)ΔE 7.13, clearly different but related

Hue familyviolet

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#9EDD00

Analogous#002FDD, #AD00DD

Triadic#DD3F00, #00DD3F

Split complementary#DDAE00, #2FDD00

Tetradic#DD0030, #9EDD00, #00DDAE

Tints, shades & saturation

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

Lighter +40%#C2AAFF

Lighter +30%#9E77FF

Lighter +20%#7944FF

Lighter +10%#5511FF

Darker −10%#3000AA

Darker −20%#220077

Darker −30%#130044

Darker −40%#050011

More saturated +25%#3F00DD

Less saturated −25%#4B1CC1

Channel breakdown

R63

B221

Red63 (24.7%)

Green0 (0%)

Blue221 (86.7%)

Hue257.1°

Saturation (HSL)100%

Lightness43.33%

Dominant channelBlue

Hex per channelR 3F · G 00 · B DD

Keep nerding

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

#3F00DD

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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