Colour

#51006A

#51006A
Violet
Dark
Nearest: Indigo

#51006A is a violet with RGB values 81, 0, 106 and HSL 286°, 100%, 21%. It is a dark colour, so white text on it reaches 13.5:1 contrast (AAA for normal text). The nearest named colour is Indigo.

Colour values

#51006A#51006A

HEX#51006A

RGBrgb(81, 0, 106)

RGB (0–1)0.3176, 0, 0.4157

RGB percentages31.8%, 0%, 41.6%

HSLhsl(285.8, 100%, 20.8%)

HSV / HSBhsv(285.8, 100%, 41.6%)

CMYK23.6%, 100%, 0%, 58.4%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer5,308,522

CSS custom property--colour: #51006A;

Brightness & contrast

Relative luminance0.0279WCAG 2.x, 0 is black and 1 is white

Perceived brightness56.9 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 13.48:1

Contrast with white13.48:1WCAG normal text: AAA

Contrast with black1.56:1WCAG normal text: Fail

Greyscale equivalent#191919

Inverted#AEFF95

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#002B6Cno red cones; affects about 1% of men; ΔE 32 from the original

Deuteranopia#003068no green cones; the most common form, about 1% of men; ΔE 37.6 from the original

Tritanopia#4F203Bno blue cones; rare, and affects men and women equally; ΔE 39.6 from the original

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

Contrast with white, large text13.48:1WCAG large text: AAA

Contrast with black, large text1.56:1WCAG large text: Fail

Named colours

Indigo · ΔE 14.1 Purple · ΔE 16.1 Rebecca purple · ΔE 16.1 Midnight blue · ΔE 18.7 Dark magenta · ΔE 20.3 Dark slateblue · ΔE 24.4

Nearest named CSS colourIndigo (#4B0082)ΔE 14.11, a distinctly different colour

Hue familyviolet

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#196A00

Analogous#1C006A, #6A004E

Triadic#6A5100, #006A51

Split complementary#4E6A00, #006A1C

Tetradic#6A1C00, #196A00, #004E6A

Tints, shades & saturation

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

Lighter +40%#D037FF

Lighter +30%#C404FF

Lighter +20%#9F00D0

Lighter +10%#78009D

Darker −10%#2A0037

Darker −20%#030004

Darker −30%#000000

Darker −40%#000000

More saturated +25%#51006A

Less saturated −25%#4A0D5D

Channel breakdown

R81

B106

Red81 (31.8%)

Green0 (0%)

Blue106 (41.6%)

Hue285.85°

Saturation (HSL)100%

Lightness20.78%

Dominant channelBlue

Hex per channelR 51 · G 00 · B 6A

Keep nerding

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

#51006A

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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