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Colour

#391C4E

  • #391C4E
  • Violet
  • Dark
  • Nearest: Dark slateblue

#391C4E is a violet with RGB values 57, 28, 78 and HSL 275°, 47%, 21%. It is a dark colour, so white text on it reaches 14.5:1 contrast (AAA for normal text). The nearest named colour is Dark slateblue.

Colour values

#391C4E#391C4E
HEX#391C4E
RGBrgb(57, 28, 78)
RGB (0–1)0.2235, 0.1098, 0.3059
RGB percentages22.4%, 11%, 30.6%
HSLhsl(274.8, 47.2%, 20.8%)
HSV / HSBhsv(274.8, 64.1%, 30.6%)
CMYK26.9%, 64.1%, 0%, 69.4%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer3,742,798
CSS custom property--colour: #391C4E;

Brightness & contrast

Relative luminance0.0225WCAG 2.x, 0 is black and 1 is white
Perceived brightness46.1 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 14.48:1
Contrast with white14.48:1WCAG normal text: AAA
Contrast with black1.45:1WCAG normal text: Fail
Greyscale equivalent#262626
Inverted#C6E3B1

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#092850no red cones; affects about 1% of men; ΔE 19.1 from the original
Deuteranopia#152A4Dno green cones; the most common form, about 1% of men; ΔE 19.9 from the original
Tritanopia#362532no blue cones; rare, and affects men and women equally; ΔE 24.5 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text14.48:1WCAG large text: AAA
Contrast with black, large text1.45:1WCAG large text: Fail

Named colours

Dark slateblue · ΔE 21.9Midnight blue · ΔE 25.2Rebecca purple · ΔE 32.6Purple · ΔE 38.2Indigo · ΔE 38.9Black · ΔE 39.2
Nearest named CSS colourDark slateblue (#483D8B)ΔE 21.89, a distinctly different colour
Hue familyviolet
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#314E1C
Analogous#201C4E, #4E1C4A
Triadic#4E391C, #1C4E39
Split complementary#4A4E1C, #1C4E20
Tetradic#4E201C, #314E1C, #1C4A4E

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#A36CCA
Lighter +30%#8B46BD
Lighter +20%#703799
Lighter +10%#542974
Darker −10%#1E0F28
Darker −20%#020103
Darker −30%#000000
Darker −40%#000000
More saturated +25%#3B0F5B
Less saturated −25%#372941

Channel breakdown

R57
G28
B78
Red57 (22.4%)
Green28 (11%)
Blue78 (30.6%)
Hue274.8°
Saturation (HSL)47.17%
Lightness20.78%
Dominant channelBlue
Hex per channelR 39 · G 1C · B 4E

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Every value on this page was computed from “391c4e” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.