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Recognised as Colour

#33147A

  • #33147A
  • Violet
  • Dark
  • Nearest: Midnight blue

#33147A is a violet with RGB values 51, 20, 122 and HSL 258°, 72%, 28%. It is a dark colour, so white text on it reaches 13.8:1 contrast (AAA for normal text). The nearest named colour is Midnight blue.

Colour values

#33147A#33147A
HEX#33147A
RGBrgb(51, 20, 122)
RGB (0–1)0.2, 0.0784, 0.4784
RGB percentages20%, 7.8%, 47.8%
HSLhsl(258.2, 71.8%, 27.8%)
HSV / HSBhsv(258.2, 83.6%, 47.8%)
CMYK58.2%, 83.6%, 0%, 52.2%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer3,347,578
CSS custom property--colour: #33147A;

Brightness & contrast

Relative luminance0.02609WCAG 2.x, 0 is black and 1 is white
Perceived brightness52.1 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 13.8:1
Contrast with white13.8:1WCAG normal text: AAA
Contrast with black1.52:1WCAG normal text: Fail
Greyscale equivalent#222222
Inverted#CCEB85

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#002F7Dno red cones; affects about 1% of men; ΔE 21.3 from the original
Deuteranopia#002A78no green cones; the most common form, about 1% of men; ΔE 19.7 from the original
Tritanopia#123348no blue cones; rare, and affects men and women equally; ΔE 56.9 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text13.8:1WCAG large text: AAA
Contrast with black, large text1.52:1WCAG large text: Fail

Named colours

Midnight blue · ΔE 9.5Indigo · ΔE 11.4Rebecca purple · ΔE 15.4Navy · ΔE 15.6Dark blue · ΔE 19.9Dark slateblue · ΔE 21.4
Nearest named CSS colourMidnight blue (#191970)ΔE 9.52, clearly different but related
Hue familyviolet
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#5B7A14
Analogous#14287A, #66147A
Triadic#7A3314, #147A33
Split complementary#7A6614, #287A14
Tetradic#7A1428, #5B7A14, #147A66

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#9672E8
Lighter +30%#7546E1
Lighter +20%#5822D2
Lighter +10%#451BA6
Darker −10%#210D4E
Darker −20%#0E0622
Darker −30%#000000
Darker −40%#000000
More saturated +25%#2C028C
Less saturated −25%#3A2668

Channel breakdown

R51
G20
B122
Red51 (20%)
Green20 (7.8%)
Blue122 (47.8%)
Hue258.24°
Saturation (HSL)71.83%
Lightness27.84%
Dominant channelBlue
Hex per channelR 33 · G 14 · B 7A

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Every value on this page was computed from “33147a” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.