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Recognised as Colour

#5B399E

  • #5B399E
  • Violet
  • Dark
  • Nearest: Rebecca purple

#5B399E is a violet with RGB values 91, 57, 158 and HSL 260°, 47%, 42%. It is a dark colour, so white text on it reaches 8.3:1 contrast (AAA for normal text). The nearest named colour is Rebecca purple.

Colour values

#5B399E#5B399E
HEX#5B399E
RGBrgb(91, 57, 158)
RGB (0–1)0.3569, 0.2235, 0.6196
RGB percentages35.7%, 22.4%, 62%
HSLhsl(260.2, 47%, 42.2%)
HSV / HSBhsv(260.2, 63.9%, 62%)
CMYK42.4%, 63.9%, 0%, 38%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer5,978,526
CSS custom property--colour: #5B399E;

Brightness & contrast

Relative luminance0.07619WCAG 2.x, 0 is black and 1 is white
Perceived brightness85 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 8.32:1
Contrast with white8.32:1WCAG normal text: AAA
Contrast with black2.52:1WCAG normal text: Fail
Greyscale equivalent#484848
Inverted#A4C661

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#004FA1no red cones; affects about 1% of men; ΔE 25.6 from the original
Deuteranopia#004C9Cno green cones; the most common form, about 1% of men; ΔE 25.7 from the original
Tritanopia#495066no blue cones; rare, and affects men and women equally; ΔE 50.8 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text8.32:1WCAG large text: AAA
Contrast with black, large text2.52:1WCAG large text: Fail

Named colours

Rebecca purple · ΔE 5.1Slate blue · ΔE 14.7Dark slateblue · ΔE 14.8Midnight blue · ΔE 18.6Indigo · ΔE 18.6Medium purple · ΔE 21.9
Nearest named CSS colourRebecca purple (#663399)ΔE 5.13, clearly different but related
Hue familyviolet
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#7C9E39
Analogous#394A9E, #8E399E
Triadic#9E5B39, #399E5B
Split complementary#9E8E39, #4A9E39
Tetradic#9E3949, #7C9E39, #399E8E

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#CBBCE7
Lighter +30%#AD97D9
Lighter +20%#9071CC
Lighter +10%#724CBE
Darker −10%#452B79
Darker −20%#301E53
Darker −30%#1A102E
Darker −40%#050308
More saturated +25%#521EB9
Less saturated −25%#645483

Channel breakdown

R91
G57
B158
Red91 (35.7%)
Green57 (22.4%)
Blue158 (62%)
Hue260.2°
Saturation (HSL)46.98%
Lightness42.16%
Dominant channelBlue
Hex per channelR 5B · G 39 · B 9E

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Every value on this page was computed from “5b399e” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.