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Recognised as Colour

#391C49

  • #391C49
  • Violet
  • Dark
  • Nearest: Dark slateblue

#391C49 is a violet with RGB values 57, 28, 73 and HSL 279°, 45%, 20%. It is a dark colour, so white text on it reaches 14.6:1 contrast (AAA for normal text). The nearest named colour is Dark slateblue.

Colour values

#391C49#391C49
HEX#391C49
RGBrgb(57, 28, 73)
RGB (0–1)0.2235, 0.1098, 0.2863
RGB percentages22.4%, 11%, 28.6%
HSLhsl(278.7, 44.6%, 19.8%)
HSV / HSBhsv(278.7, 61.6%, 28.6%)
CMYK21.9%, 61.6%, 0%, 71.4%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer3,742,793
CSS custom property--colour: #391C49;

Brightness & contrast

Relative luminance0.02181WCAG 2.x, 0 is black and 1 is white
Perceived brightness45.2 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 14.62:1
Contrast with white14.62:1WCAG normal text: AAA
Contrast with black1.44:1WCAG normal text: Fail
Greyscale equivalent#252525
Inverted#C6E3B6

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#0F274Ano red cones; affects about 1% of men; ΔE 18.8 from the original
Deuteranopia#192948no green cones; the most common form, about 1% of men; ΔE 19 from the original
Tritanopia#37242Fno blue cones; rare, and affects men and women equally; ΔE 22.5 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text14.62:1WCAG large text: AAA
Contrast with black, large text1.44:1WCAG large text: Fail

Named colours

Dark slateblue · ΔE 24.5Midnight blue · ΔE 28.3Rebecca purple · ΔE 35.4Black · ΔE 36.4Purple · ΔE 40.4Indigo · ΔE 42
Nearest named CSS colourDark slateblue (#483D8B)ΔE 24.47, a distinctly different colour
Hue familyviolet
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#2C491C
Analogous#231C49, #491C42
Triadic#49391C, #1C4939
Split complementary#42491C, #1C4923
Tetradic#49231C, #2C491C, #1C4249

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#A66BC6
Lighter +30%#8F46B8
Lighter +20%#733893
Lighter +10%#562A6E
Darker −10%#1C0E24
Darker −20%#000000
Darker −30%#000000
Darker −40%#000000
More saturated +25%#3D0F56
Less saturated −25%#35293C

Channel breakdown

R57
G28
B73
Red57 (22.4%)
Green28 (11%)
Blue73 (28.6%)
Hue278.67°
Saturation (HSL)44.55%
Lightness19.8%
Dominant channelBlue
Hex per channelR 39 · G 1C · B 49

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Every value on this page was computed from “391c49” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.