Colour

#550D9D

#550D9D
Violet
Dark
Nearest: Indigo

#550D9D is a violet with RGB values 85, 13, 157 and HSL 270°, 85%, 33%. It is a dark colour, so white text on it reaches 10.9:1 contrast (AAA for normal text). The nearest named colour is Indigo.

Colour values

#550D9D#550D9D

HEX#550D9D

RGBrgb(85, 13, 157)

RGB (0–1)0.3333, 0.051, 0.6157

RGB percentages33.3%, 5.1%, 61.6%

HSLhsl(270, 84.7%, 33.3%)

HSV / HSBhsv(270, 91.7%, 61.6%)

CMYK45.9%, 91.7%, 0%, 38.4%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer5,574,045

CSS custom property--colour: #550D9D;

Brightness & contrast

Relative luminance0.04653WCAG 2.x, 0 is black and 1 is white

Perceived brightness71.2 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 10.88:1

Contrast with white10.88:1WCAG normal text: AAA

Contrast with black1.93:1WCAG normal text: Fail

Greyscale equivalent#272727

Inverted#AAF262

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#003DA1no red cones; affects about 1% of men; ΔE 31.1 from the original

Deuteranopia#003B9Bno green cones; the most common form, about 1% of men; ΔE 32.3 from the original

Tritanopia#413D5Bno blue cones; rare, and affects men and women equally; ΔE 64.3 from the original

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

Contrast with white, large text10.88:1WCAG large text: AAA

Contrast with black, large text1.93:1WCAG large text: Fail

Named colours

Indigo · ΔE 10.6 Dark blue · ΔE 14.3 Navy · ΔE 15.7 Dark orchid · ΔE 19.9 Rebecca purple · ΔE 20.7 Dark magenta · ΔE 24.6

Nearest named CSS colourIndigo (#4B0082)ΔE 10.57, a distinctly different colour

Hue familyviolet

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#559D0D

Analogous#0D0D9D, #9D0D9D

Triadic#9D550D, #0D9D55

Split complementary#9D9D0D, #0D9D0D

Tetradic#9D0D0D, #559D0D, #0D9D9D

Tints, shades & saturation

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

Lighter +40%#BB81F5

Lighter +30%#A252F1

Lighter +20%#8823ED

Lighter +10%#6F11CC

Darker −10%#3C096E

Darker −20%#22053F

Darker −30%#090110

Darker −40%#000000

More saturated +25%#5500AA

Less saturated −25%#552288

Channel breakdown

R85

G13

B157

Red85 (33.3%)

Green13 (5.1%)

Blue157 (61.6%)

Hue270°

Saturation (HSL)84.71%

Lightness33.33%

Dominant channelBlue

Hex per channelR 55 · G 0D · B 9D

Keep nerding

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

#550D9D

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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