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Colour

#3100AA

  • #3100AA
  • Violet
  • Dark
  • Nearest: Dark blue

#3100AA is a violet with RGB values 49, 0, 170 and HSL 257°, 100%, 33%. It is a dark colour, so white text on it reaches 12.3:1 contrast (AAA for normal text). The nearest named colour is Dark blue.

Colour values

#3100AA#3100AA
HEX#3100AA
RGBrgb(49, 0, 170)
RGB (0–1)0.1922, 0, 0.6667
RGB percentages19.2%, 0%, 66.7%
HSLhsl(257.3, 100%, 33.3%)
HSV / HSBhsv(257.3, 100%, 66.7%)
CMYK71.2%, 100%, 0%, 33.3%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer3,211,434
CSS custom property--colour: #3100AA;

Brightness & contrast

Relative luminance0.03555WCAG 2.x, 0 is black and 1 is white
Perceived brightness63.3 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 12.27:1
Contrast with white12.27:1WCAG normal text: AAA
Contrast with black1.71:1WCAG normal text: Fail
Greyscale equivalent#171717
Inverted#CEFF55

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#003BAEno red cones; affects about 1% of men; ΔE 30.4 from the original
Deuteranopia#002EA8no green cones; the most common form, about 1% of men; ΔE 23 from the original
Tritanopia#004362no 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 text12.27:1WCAG large text: AAA
Contrast with black, large text1.71:1WCAG large text: Fail

Named colours

Dark blue · ΔE 13.4Medium blue · ΔE 18.1Navy · ΔE 18.4Blue violet · ΔE 22.6Indigo · ΔE 23.4Dark violet · ΔE 24.8
Nearest named CSS colourDark blue (#00008B)ΔE 13.4, a distinctly different colour
Hue familyviolet
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#79AA00
Analogous#0024AA, #8600AA
Triadic#AA3100, #00AA31
Split complementary#AA8600, #24AA00
Tetradic#AA0024, #79AA00, #00AA86

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#9E77FF
Lighter +30%#7A44FF
Lighter +20%#5611FF
Lighter +10%#4000DD
Darker −10%#220077
Darker −20%#140044
Darker −30%#050011
Darker −40%#000000
More saturated +25%#3100AA
Less saturated −25%#3A1595

Channel breakdown

R49
G0
B170
Red49 (19.2%)
Green0 (0%)
Blue170 (66.7%)
Hue257.29°
Saturation (HSL)100%
Lightness33.33%
Dominant channelBlue
Hex per channelR 31 · G 00 · B AA

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Every value on this page was computed from “3100aa” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.