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Recognised as Colour

#591D6D

  • #591D6D
  • Violet
  • Dark
  • Nearest: Rebecca purple

#591D6D is a violet with RGB values 89, 29, 109 and HSL 285°, 58%, 27%. It is a dark colour, so white text on it reaches 11.5:1 contrast (AAA for normal text). The nearest named colour is Rebecca purple.

Colour values

#591D6D#591D6D
HEX#591D6D
RGBrgb(89, 29, 109)
RGB (0–1)0.349, 0.1137, 0.4275
RGB percentages34.9%, 11.4%, 42.7%
HSLhsl(285, 58%, 27.1%)
HSV / HSBhsv(285, 73.4%, 42.7%)
CMYK18.3%, 73.4%, 0%, 57.3%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer5,840,237
CSS custom property--colour: #591D6D;

Brightness & contrast

Relative luminance0.04107WCAG 2.x, 0 is black and 1 is white
Perceived brightness64.9 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 11.53:1
Contrast with white11.53:1WCAG normal text: AAA
Contrast with black1.82:1WCAG normal text: Fail
Greyscale equivalent#303030
Inverted#A6E292

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#00366Fno red cones; affects about 1% of men; ΔE 31.7 from the original
Deuteranopia#1D3B6Bno green cones; the most common form, about 1% of men; ΔE 33.7 from the original
Tritanopia#582D43no blue cones; rare, and affects men and women equally; ΔE 33.8 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text11.53:1WCAG large text: AAA
Contrast with black, large text1.82:1WCAG large text: Fail

Named colours

Rebecca purple · ΔE 16.1Dark slateblue · ΔE 17.7Midnight blue · ΔE 19.5Purple · ΔE 19.7Indigo · ΔE 22.7Dark magenta · ΔE 24.4
Nearest named CSS colourRebecca purple (#663399)ΔE 16.09, a distinctly different colour
Hue familyviolet
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#316D1D
Analogous#311D6D, #6D1D59
Triadic#6D591D, #1D6D59
Split complementary#596D1D, #1D6D31
Tetradic#6D311D, #316D1D, #1D596D

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#C37ADC
Lighter +30%#B152D1
Lighter +20%#9B32BE
Lighter +10%#7A2895
Darker −10%#381245
Darker −20%#17081C
Darker −30%#000000
Darker −40%#000000
More saturated +25%#620C7E
Less saturated −25%#502E5C

Channel breakdown

R89
G29
B109
Red89 (34.9%)
Green29 (11.4%)
Blue109 (42.7%)
Hue285°
Saturation (HSL)57.97%
Lightness27.06%
Dominant channelBlue
Hex per channelR 59 · G 1D · B 6D

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Every value on this page was computed from “591d6d” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.