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Recognised as Colour

#391A75

  • #391A75
  • Violet
  • Dark
  • Nearest: Midnight blue

#391A75 is a violet with RGB values 57, 26, 117 and HSL 260°, 64%, 28%. 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

#391A75#391A75
HEX#391A75
RGBrgb(57, 26, 117)
RGB (0–1)0.2235, 0.102, 0.4588
RGB percentages22.4%, 10.2%, 45.9%
HSLhsl(260.4, 63.6%, 28%)
HSV / HSBhsv(260.4, 77.8%, 45.9%)
CMYK51.3%, 77.8%, 0%, 54.1%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer3,742,325
CSS custom property--colour: #391A75;

Brightness & contrast

Relative luminance0.02893WCAG 2.x, 0 is black and 1 is white
Perceived brightness54.1 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 13.3:1
Contrast with white13.3:1WCAG normal text: AAA
Contrast with black1.58:1WCAG normal text: Fail
Greyscale equivalent#272727
Inverted#C6E58A

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#003178no red cones; affects about 1% of men; ΔE 21 from the original
Deuteranopia#002E73no green cones; the most common form, about 1% of men; ΔE 21.1 from the original
Tritanopia#253346no blue cones; rare, and affects men and women equally; ΔE 49.5 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text13.3:1WCAG large text: AAA
Contrast with black, large text1.58:1WCAG large text: Fail

Named colours

Midnight blue · ΔE 7.3Rebecca purple · ΔE 14.5Indigo · ΔE 16.1Dark slateblue · ΔE 16.4Navy · ΔE 22Purple · ΔE 26.1
Nearest named CSS colourMidnight blue (#191970)ΔE 7.26, clearly different but related
Hue familyviolet
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#56751A
Analogous#1A2975, #661A75
Triadic#75391A, #1A7539
Split complementary#75661A, #29751A
Tetradic#751A29, #56751A, #1A7566

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#9D7AE1
Lighter +30%#7E50D8
Lighter +20%#622DC8
Lighter +10%#4D239F
Darker −10%#25114B
Darker −20%#100722
Darker −30%#000000
Darker −40%#000000
More saturated +25%#330887
Less saturated −25%#3F2C63

Channel breakdown

R57
G26
B117
Red57 (22.4%)
Green26 (10.2%)
Blue117 (45.9%)
Hue260.44°
Saturation (HSL)63.64%
Lightness28.04%
Dominant channelBlue
Hex per channelR 39 · G 1A · B 75

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Every value on this page was computed from “391a75” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.