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Colour

#391D45

  • #391D45
  • Violet
  • Dark
  • Nearest: Dark slateblue

#391D45 is a violet with RGB values 57, 29, 69 and HSL 282°, 41%, 19%. 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

#391D45#391D45
HEX#391D45
RGBrgb(57, 29, 69)
RGB (0–1)0.2235, 0.1137, 0.2706
RGB percentages22.4%, 11.4%, 27.1%
HSLhsl(282, 40.8%, 19.2%)
HSV / HSBhsv(282, 58%, 27.1%)
CMYK17.4%, 58%, 0%, 72.9%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer3,743,045
CSS custom property--colour: #391D45;

Brightness & contrast

Relative luminance0.02178WCAG 2.x, 0 is black and 1 is white
Perceived brightness44.8 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 14.63:1
Contrast with white14.63:1WCAG normal text: AAA
Contrast with black1.44:1WCAG normal text: Fail
Greyscale equivalent#262626
Inverted#C6E2BA

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#142746no red cones; affects about 1% of men; ΔE 17.9 from the original
Deuteranopia#1D2944no green cones; the most common form, about 1% of men; ΔE 17.8 from the original
Tritanopia#38232Dno blue cones; rare, and affects men and women equally; ΔE 19.9 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text14.63:1WCAG large text: AAA
Contrast with black, large text1.44:1WCAG large text: Fail

Named colours

Dark slateblue · ΔE 26.9Midnight blue · ΔE 31.4Black · ΔE 33.7Rebecca purple · ΔE 38.3Dark slate grey · ΔE 40Dim grey · ΔE 40.6
Nearest named CSS colourDark slateblue (#483D8B)ΔE 26.93, a distinctly different colour
Hue familyviolet
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#29451D
Analogous#251D45, #451D3D
Triadic#45391D, #1D4539
Split complementary#3D451D, #1D4525
Tetradic#45251D, #29451D, #1D3D45

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#A86DC1
Lighter +30%#924AB1
Lighter +20%#743B8D
Lighter +10%#572C69
Darker −10%#1B0E21
Darker −20%#000000
Darker −30%#000000
Darker −40%#000000
More saturated +25%#3E1151
Less saturated −25%#342939

Channel breakdown

R57
G29
B69
Red57 (22.4%)
Green29 (11.4%)
Blue69 (27.1%)
Hue282°
Saturation (HSL)40.82%
Lightness19.22%
Dominant channelBlue
Hex per channelR 39 · G 1D · B 45

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Every value on this page was computed from “391d45” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.