Colour

#4000DD

#4000DD
Violet
Dark
Nearest: Medium blue

#4000DD is a violet with RGB values 64, 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

#4000DD#4000DD

HEX#4000DD

RGBrgb(64, 0, 221)

RGB (0–1)0.251, 0, 0.8667

RGB percentages25.1%, 0%, 86.7%

HSLhsl(257.4, 100%, 43.3%)

HSV / HSBhsv(257.4, 100%, 86.7%)

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

24-bit integer4,194,525

CSS custom property--colour: #4000DD;

Brightness & contrast

Relative luminance0.0631WCAG 2.x, 0 is black and 1 is white

Perceived brightness82.4 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 9.28:1

Contrast with white9.28:1WCAG normal text: AAA

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

Greyscale equivalent#1E1E1E

Inverted#BFFF22

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 text9.28:1WCAG large text: AAA

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

Named colours

Medium blue · ΔE 7.2 Blue · ΔE 17.5 Blue violet · ΔE 21.1 Dark violet · ΔE 24 Dark orchid · ΔE 35.2 Dark blue · ΔE 35.4

Nearest named CSS colourMedium blue (#0000CD)ΔE 7.2, clearly different but related

Hue familyviolet

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#9DDD00

Analogous#002FDD, #AE00DD

Triadic#DD4000, #00DD40

Split complementary#DDAF00, #2FDD00

Tetradic#DD002F, #9DDD00, #00DDAE

Tints, shades & saturation

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

Lighter +40%#C3AAFF

Lighter +30%#9E77FF

Lighter +20%#7A44FF

Lighter +10%#5611FF

Darker −10%#3100AA

Darker −20%#220077

Darker −30%#140044

Darker −40%#050011

More saturated +25%#4000DD

Less saturated −25%#4C1CC1

Channel breakdown

R64

B221

Red64 (25.1%)

Green0 (0%)

Blue221 (86.7%)

Hue257.38°

Saturation (HSL)100%

Lightness43.33%

Dominant channelBlue

Hex per channelR 40 · G 00 · B DD

Keep nerding

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#4000DD

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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