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Recognised as Colour

#471ABB

  • #471ABB
  • Violet
  • Dark
  • Nearest: Dark blue

#471ABB is a violet with RGB values 71, 26, 187 and HSL 257°, 76%, 42%. It is a dark colour, so white text on it reaches 9.8:1 contrast (AAA for normal text). The nearest named colour is Dark blue.

Colour values

#471ABB#471ABB
HEX#471ABB
RGBrgb(71, 26, 187)
RGB (0–1)0.2784, 0.102, 0.7333
RGB percentages27.8%, 10.2%, 73.3%
HSLhsl(256.8, 75.6%, 41.8%)
HSV / HSBhsv(256.8, 86.1%, 73.3%)
CMYK62%, 86.1%, 0%, 26.7%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer4,659,899
CSS custom property--colour: #471ABB;

Brightness & contrast

Relative luminance0.05666WCAG 2.x, 0 is black and 1 is white
Perceived brightness76.7 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 9.84:1
Contrast with white9.84:1WCAG normal text: AAA
Contrast with black2.13:1WCAG normal text: Fail
Greyscale equivalent#2F2F2F
Inverted#B8E544

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#0048BFno red cones; affects about 1% of men; ΔE 30.1 from the original
Deuteranopia#003EB8no green cones; the most common form, about 1% of men; ΔE 25.6 from the original
Tritanopia#004F6Fno blue cones; rare, and affects men and women equally; ΔE 83.6 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text9.84:1WCAG large text: AAA
Contrast with black, large text2.13:1WCAG large text: Fail

Named colours

Dark blue · ΔE 17.1Blue violet · ΔE 17.8Medium blue · ΔE 19.2Navy · ΔE 21.5Dark violet · ΔE 21.6Dark orchid · ΔE 22
Nearest named CSS colourDark blue (#00008B)ΔE 17.06, a distinctly different colour
Hue familyviolet
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#8EBB1A
Analogous#1A3EBB, #971ABB
Triadic#BB471A, #1ABB47
Split complementary#BB971A, #3EBB1A
Tetradic#BB1A3E, #8EBB1A, #1ABB97

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#C1ADF4
Lighter +30%#9F81ED
Lighter +20%#7D54E7
Lighter +10%#5B27E1
Darker −10%#36148E
Darker −20%#250E61
Darker −30%#140735
Darker −40%#030108
More saturated +25%#3C00D5
Less saturated −25%#5335A0

Channel breakdown

R71
G26
B187
Red71 (27.8%)
Green26 (10.2%)
Blue187 (73.3%)
Hue256.77°
Saturation (HSL)75.59%
Lightness41.76%
Dominant channelBlue
Hex per channelR 47 · G 1A · B BB

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Every value on this page was computed from “471abb” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.