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Recognised as Colour

#330A47

  • #330A47
  • Violet
  • Dark
  • Nearest: Midnight blue

#330A47 is a violet with RGB values 51, 10, 71 and HSL 280°, 75%, 16%. It is a dark colour, so white text on it reaches 16.5:1 contrast (AAA for normal text). The nearest named colour is Midnight blue.

Colour values

#330A47#330A47
HEX#330A47
RGBrgb(51, 10, 71)
RGB (0–1)0.2, 0.0392, 0.2784
RGB percentages20%, 3.9%, 27.8%
HSLhsl(280.3, 75.3%, 15.9%)
HSV / HSBhsv(280.3, 85.9%, 27.8%)
CMYK28.2%, 85.9%, 0%, 72.2%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer3,344,967
CSS custom property--colour: #330A47;

Brightness & contrast

Relative luminance0.01376WCAG 2.x, 0 is black and 1 is white
Perceived brightness37.6 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 16.47:1
Contrast with white16.47:1WCAG normal text: AAA
Contrast with black1.28:1WCAG normal text: Fail
Greyscale equivalent#171717
Inverted#CCF5B8

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#001D49no red cones; affects about 1% of men; ΔE 21.2 from the original
Deuteranopia#012046no green cones; the most common form, about 1% of men; ΔE 24.9 from the original
Tritanopia#301928no blue cones; rare, and affects men and women equally; ΔE 28.7 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text16.47:1WCAG large text: AAA
Contrast with black, large text1.28:1WCAG large text: Fail

Named colours

Midnight blue · ΔE 21.4Dark slateblue · ΔE 23.9Rebecca purple · ΔE 30.5Indigo · ΔE 33.4Purple · ΔE 34.1Dark magenta · ΔE 39.1
Nearest named CSS colourMidnight blue (#191970)ΔE 21.42, a distinctly different colour
Hue familyviolet
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#1E470A
Analogous#140A47, #470A3D
Triadic#47330A, #0A4733
Split complementary#3D470A, #0A4714
Tetradic#47140A, #1E470A, #0A3D47

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#AC3AE3
Lighter +30%#931DCD
Lighter +20%#7317A0
Lighter +10%#531074
Darker −10%#13041A
Darker −20%#000000
Darker −30%#000000
Darker −40%#000000
More saturated +25%#360051
Less saturated −25%#30143D

Channel breakdown

R51
G10
B71
Red51 (20%)
Green10 (3.9%)
Blue71 (27.8%)
Hue280.33°
Saturation (HSL)75.31%
Lightness15.88%
Dominant channelBlue
Hex per channelR 33 · G 0A · B 47

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Every value on this page was computed from “330a47” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.