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Recognised as Colour

#3905AD

  • #3905AD
  • Violet
  • Dark
  • Nearest: Dark blue

#3905AD is a violet with RGB values 57, 5, 173 and HSL 259°, 94%, 35%. It is a dark colour, so white text on it reaches 11.7:1 contrast (AAA for normal text). The nearest named colour is Dark blue.

Colour values

#3905AD#3905AD
HEX#3905AD
RGBrgb(57, 5, 173)
RGB (0–1)0.2235, 0.0196, 0.6784
RGB percentages22.4%, 2%, 67.8%
HSLhsl(258.6, 94.4%, 34.9%)
HSV / HSBhsv(258.6, 97.1%, 67.8%)
CMYK67.1%, 97.1%, 0%, 32.2%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer3,737,005
CSS custom property--colour: #3905AD;

Brightness & contrast

Relative luminance0.03996WCAG 2.x, 0 is black and 1 is white
Perceived brightness66.3 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 11.67:1
Contrast with white11.67:1WCAG normal text: AAA
Contrast with black1.8:1WCAG normal text: Fail
Greyscale equivalent#1C1C1C
Inverted#C6FA52

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#003DB1no red cones; affects about 1% of men; ΔE 29.9 from the original
Deuteranopia#0032AAno green cones; the most common form, about 1% of men; ΔE 24.6 from the original
Tritanopia#004564no blue cones; rare, and affects men and women equally; ΔE 83.4 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text11.67:1WCAG large text: AAA
Contrast with black, large text1.8:1WCAG large text: Fail

Named colours

Dark blue · ΔE 13.9Medium blue · ΔE 18.6Navy · ΔE 18.8Blue violet · ΔE 21.3Indigo · ΔE 22.9Dark violet · ΔE 23.7
Nearest named CSS colourDark blue (#00008B)ΔE 13.93, a distinctly different colour
Hue familyviolet
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#79AD05
Analogous#0525AD, #8D05AD
Triadic#AD3905, #05AD39
Split complementary#AD8D05, #25AD05
Tetradic#AD0525, #79AD05, #05AD8D

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#A883FB
Lighter +30%#8551FA
Lighter +20%#631FF9
Lighter +10%#4906DF
Darker −10%#29047B
Darker −20%#18024A
Darker −30%#080118
Darker −40%#000000
More saturated +25%#3700B2
Less saturated −25%#411B97

Channel breakdown

R57
G5
B173
Red57 (22.4%)
Green5 (2%)
Blue173 (67.8%)
Hue258.57°
Saturation (HSL)94.38%
Lightness34.9%
Dominant channelBlue
Hex per channelR 39 · G 05 · B AD

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Every value on this page was computed from “3905ad” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.