Recognised as Colour

#660EA5

#660EA5
Violet
Dark
Nearest: Indigo

#660EA5 is a violet with RGB values 102, 14, 165 and HSL 275°, 84%, 35%. It is a dark colour, so white text on it reaches 9.7:1 contrast (AAA for normal text). The nearest named colour is Indigo.

Colour values

#660EA5#660EA5

HEX#660EA5

RGBrgb(102, 14, 165)

RGB (0–1)0.4, 0.0549, 0.6471

RGB percentages40%, 5.5%, 64.7%

HSLhsl(275, 84.4%, 35.1%)

HSV / HSBhsv(275, 91.5%, 64.7%)

CMYK38.2%, 91.5%, 0%, 35.3%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer6,688,421

CSS custom property--colour: #660EA5;

Brightness & contrast

Relative luminance0.05855WCAG 2.x, 0 is black and 1 is white

Perceived brightness79.6 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 9.67:1

Contrast with white9.67:1WCAG normal text: AAA

Contrast with black2.17:1WCAG normal text: Fail

Greyscale equivalent#2C2C2C

Inverted#99F15A

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#0043A9no red cones; affects about 1% of men; ΔE 35.3 from the original

Deuteranopia#0044A2no green cones; the most common form, about 1% of men; ΔE 39.1 from the original

Tritanopia#593F60no blue cones; rare, and affects men and women equally; ΔE 61.8 from the original

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

Contrast with white, large text9.67:1WCAG large text: AAA

Contrast with black, large text2.17:1WCAG large text: Fail

Named colours

Indigo · ΔE 13.8 Dark orchid · ΔE 15.4 Dark blue · ΔE 18.8 Navy · ΔE 20.5 Blue violet · ΔE 21.8 Rebecca purple · ΔE 21.9

Nearest named CSS colourIndigo (#4B0082)ΔE 13.83, a distinctly different colour

Hue familyviolet

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#4DA50E

Analogous#1B0EA5, #A50E98

Triadic#A5660E, #0EA566

Split complementary#98A50E, #0EA51B

Tetradic#A51B0E, #4DA50E, #0E98A5

Tints, shades & saturation

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

Lighter +40%#C88AF5

Lighter +30%#B25BF1

Lighter +20%#9C2CED

Lighter +10%#8312D4

Darker −10%#490A76

Darker −20%#2C0647

Darker −30%#0F0218

Darker −40%#000000

More saturated +25%#6800B3

Less saturated −25%#62248F

Channel breakdown

R102

G14

B165

Red102 (40%)

Green14 (5.5%)

Blue165 (64.7%)

Hue274.97°

Saturation (HSL)84.36%

Lightness35.1%

Dominant channelBlue

Hex per channelR 66 · G 0E · B A5

Keep nerding

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

#660EA5

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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