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Recognised as Colour

#470B66

  • #470B66
  • Violet
  • Dark
  • Nearest: Midnight blue

#470B66 is a violet with RGB values 71, 11, 102 and HSL 280°, 81%, 22%. It is a dark colour, so white text on it reaches 13.9:1 contrast (AAA for normal text). The nearest named colour is Midnight blue.

Colour values

#470B66#470B66
HEX#470B66
RGBrgb(71, 11, 102)
RGB (0–1)0.2784, 0.0431, 0.4
RGB percentages27.8%, 4.3%, 40%
HSLhsl(279.6, 80.5%, 22.2%)
HSV / HSBhsv(279.6, 89.2%, 40%)
CMYK30.4%, 89.2%, 0%, 60%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer4,655,974
CSS custom property--colour: #470B66;

Brightness & contrast

Relative luminance0.02538WCAG 2.x, 0 is black and 1 is white
Perceived brightness52.6 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 13.93:1
Contrast with white13.93:1WCAG normal text: AAA
Contrast with black1.51:1WCAG normal text: Fail
Greyscale equivalent#1E1E1E
Inverted#B8F499

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#002A68no red cones; affects about 1% of men; ΔE 27.5 from the original
Deuteranopia#002D64no green cones; the most common form, about 1% of men; ΔE 31.7 from the original
Tritanopia#42243Ano blue cones; rare, and affects men and women equally; ΔE 39.1 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text13.93:1WCAG large text: AAA
Contrast with black, large text1.51:1WCAG large text: Fail

Named colours

Midnight blue · ΔE 14.7Rebecca purple · ΔE 16.9Indigo · ΔE 17.4Dark slateblue · ΔE 20.5Purple · ΔE 20.9Dark magenta · ΔE 25.3
Nearest named CSS colourMidnight blue (#191970)ΔE 14.69, a distinctly different colour
Hue familyviolet
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#2A660B
Analogous#1A0B66, #660B57
Triadic#66470B, #0B6647
Split complementary#57660B, #0B661A
Tetradic#661A0B, #2A660B, #0B5766

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#B751EC
Lighter +30%#A423E7
Lighter +20%#8715C2
Lighter +10%#671094
Darker −10%#270638
Darker −20%#07010A
Darker −30%#000000
Darker −40%#000000
More saturated +25%#4B0071
Less saturated −25%#421958

Channel breakdown

R71
G11
B102
Red71 (27.8%)
Green11 (4.3%)
Blue102 (40%)
Hue279.56°
Saturation (HSL)80.53%
Lightness22.16%
Dominant channelBlue
Hex per channelR 47 · G 0B · B 66

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Every value on this page was computed from “470b66” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.