Colour

#552AA7

#552AA7
Violet
Dark
Nearest: Indigo

#552AA7 is a violet with RGB values 85, 42, 167 and HSL 261°, 60%, 41%. It is a dark colour, so white text on it reaches 9.2:1 contrast (AAA for normal text). The nearest named colour is Indigo.

Colour values

#552AA7#552AA7

HEX#552AA7

RGBrgb(85, 42, 167)

RGB (0–1)0.3333, 0.1647, 0.6549

RGB percentages33.3%, 16.5%, 65.5%

HSLhsl(260.6, 59.8%, 41%)

HSV / HSBhsv(260.6, 74.9%, 65.5%)

CMYK49.1%, 74.9%, 0%, 34.5%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer5,581,479

CSS custom property--colour: #552AA7;

Brightness & contrast

Relative luminance0.06377WCAG 2.x, 0 is black and 1 is white

Perceived brightness79.8 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 9.23:1

Contrast with white9.23:1WCAG normal text: AAA

Contrast with black2.28:1WCAG normal text: Fail

Greyscale equivalent#3C3C3C

Inverted#AAD558

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#0049ABno red cones; affects about 1% of men; ΔE 27 from the original

Deuteranopia#0045A5no green cones; the most common form, about 1% of men; ΔE 26.7 from the original

Tritanopia#3B4C66no blue cones; rare, and affects men and women equally; ΔE 63.5 from the original

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

Contrast with white, large text9.23:1WCAG large text: AAA

Contrast with black, large text2.28:1WCAG large text: Fail

Named colours

Indigo · ΔE 12.5 Rebecca purple · ΔE 13.9 Navy · ΔE 18 Dark blue · ΔE 18.1 Slate blue · ΔE 19.2 Dark orchid · ΔE 21.6

Nearest named CSS colourIndigo (#4B0082)ΔE 12.45, a distinctly different colour

Hue familyviolet

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#7CA72A

Analogous#2A3DA7, #942AA7

Triadic#A7552A, #2AA755

Split complementary#A7942A, #3DA72A

Tetradic#A72A3D, #7CA72A, #2AA794

Tints, shades & saturation

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

Lighter +40%#C5B1EC

Lighter +30%#A789E1

Lighter +20%#8960D7

Lighter +10%#6B37CD

Darker −10%#40207E

Darker −20%#2C1655

Darker −30%#170B2D

Darker −40%#020104

More saturated +25%#4D10C1

Less saturated −25%#5D448D

Channel breakdown

R85

G42

B167

Red85 (33.3%)

Green42 (16.5%)

Blue167 (65.5%)

Hue260.64°

Saturation (HSL)59.81%

Lightness40.98%

Dominant channelBlue

Hex per channelR 55 · G 2A · B A7

Keep nerding

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

#552AA7

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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