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Colour

#391D6E

  • #391D6E
  • Violet
  • Dark
  • Nearest: Midnight blue

#391D6E is a violet with RGB values 57, 29, 110 and HSL 261°, 58%, 27%. It is a dark colour, so white text on it reaches 13.3:1 contrast (AAA for normal text). The nearest named colour is Midnight blue.

Colour values

#391D6E#391D6E
HEX#391D6E
RGBrgb(57, 29, 110)
RGB (0–1)0.2235, 0.1137, 0.4314
RGB percentages22.4%, 11.4%, 43.1%
HSLhsl(260.7, 58.3%, 27.3%)
HSV / HSBhsv(260.7, 73.6%, 43.1%)
CMYK48.2%, 73.6%, 0%, 56.9%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer3,743,086
CSS custom property--colour: #391D6E;

Brightness & contrast

Relative luminance0.02874WCAG 2.x, 0 is black and 1 is white
Perceived brightness53.3 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 13.33:1
Contrast with white13.33:1WCAG normal text: AAA
Contrast with black1.57:1WCAG normal text: Fail
Greyscale equivalent#292929
Inverted#C6E291

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#003070no red cones; affects about 1% of men; ΔE 20 from the original
Deuteranopia#002E6Cno green cones; the most common form, about 1% of men; ΔE 20.4 from the original
Tritanopia#293143no blue cones; rare, and affects men and women equally; ΔE 43.4 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text13.33:1WCAG large text: AAA
Contrast with black, large text1.57:1WCAG large text: Fail

Named colours

Midnight blue · ΔE 8.5Dark slateblue · ΔE 13.5Rebecca purple · ΔE 17.1Indigo · ΔE 21.4Navy · ΔE 27.4Purple · ΔE 28
Nearest named CSS colourMidnight blue (#191970)ΔE 8.48, clearly different but related
Hue familyviolet
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#526E1D
Analogous#1D2A6E, #611D6E
Triadic#6E391D, #1D6E39
Split complementary#6E611D, #2A6E1D
Tetradic#6E1D2A, #526E1D, #1D6E61

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#9C7BDC
Lighter +30%#7E52D2
Lighter +20%#6332BF
Lighter +10%#4E2896
Darker −10%#241246
Darker −20%#0F081D
Darker −30%#000000
Darker −40%#000000
More saturated +25%#340C7F
Less saturated −25%#3E2E5D

Channel breakdown

R57
G29
B110
Red57 (22.4%)
Green29 (11.4%)
Blue110 (43.1%)
Hue260.74°
Saturation (HSL)58.27%
Lightness27.25%
Dominant channelBlue
Hex per channelR 39 · G 1D · B 6E

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Every value on this page was computed from “391d6e” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.