Recognised as Colour

#3700CD

#3700CD
Violet
Dark
Nearest: Medium blue

#3700CD is a violet with RGB values 55, 0, 205 and HSL 256°, 100%, 40%. It is a dark colour, so white text on it reaches 10.3:1 contrast (AAA for normal text). The nearest named colour is Medium blue.

Colour values

#3700CD#3700CD

HEX#3700CD

RGBrgb(55, 0, 205)

RGB (0–1)0.2157, 0, 0.8039

RGB percentages21.6%, 0%, 80.4%

HSLhsl(256.1, 100%, 40.2%)

HSV / HSBhsv(256.1, 100%, 80.4%)

CMYK73.2%, 100%, 0%, 19.6%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer3,604,685

CSS custom property--colour: #3700CD;

Brightness & contrast

Relative luminance0.0522WCAG 2.x, 0 is black and 1 is white

Perceived brightness75.5 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 10.27:1

Contrast with white10.27:1WCAG normal text: AAA

Contrast with black2.04:1WCAG normal text: Fail

Greyscale equivalent#1A1A1A

Inverted#C8FF32

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#0048D2no red cones; affects about 1% of men; ΔE 34.3 from the original

Deuteranopia#0038CAno green cones; the most common form, about 1% of men; ΔE 25.9 from the original

Tritanopia#005377no blue cones; rare, and affects men and women equally; ΔE 97.1 from the original

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

Contrast with white, large text10.27:1WCAG large text: AAA

Contrast with black, large text2.04:1WCAG large text: Fail

Named colours

Medium blue · ΔE 4.8 Blue violet · ΔE 19.6 Dark violet · ΔE 22.6 Blue · ΔE 23.8 Dark blue · ΔE 28.7 Dark orchid · ΔE 31.9

Nearest named CSS colourMedium blue (#0000CD)ΔE 4.76, a close match

Hue familyviolet

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#96CD00

Analogous#002FCD, #9E00CD

Triadic#CD3700, #00CD37

Split complementary#CD9E00, #2FCD00

Tetradic#CD002F, #96CD00, #00CD9E

Tints, shades & saturation

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

Lighter +40%#B59AFF

Lighter +30%#9067FF

Lighter +20%#6A34FF

Lighter +10%#4501FF

Darker −10%#29009A

Darker −20%#1C0067

Darker −30%#0E0034

Darker −40%#000001

More saturated +25%#3700CD

Less saturated −25%#431AB3

Channel breakdown

R55

B205

Red55 (21.6%)

Green0 (0%)

Blue205 (80.4%)

Hue256.1°

Saturation (HSL)100%

Lightness40.2%

Dominant channelBlue

Hex per channelR 37 · G 00 · B CD

Keep nerding

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

#3700CD

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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