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Recognised as Colour

#7F5191

  • #7F5191
  • Violet
  • Dark
  • Nearest: Dark slateblue

#7F5191 is a violet with RGB values 127, 81, 145 and HSL 283°, 28%, 44%. It is a dark colour, so white text on it reaches 6:1 contrast (AA for normal text). The nearest named colour is Dark slateblue.

Colour values

#7F5191#7F5191
HEX#7F5191
RGBrgb(127, 81, 145)
RGB (0–1)0.498, 0.3176, 0.5686
RGB percentages49.8%, 31.8%, 56.9%
HSLhsl(283.1, 28.3%, 44.3%)
HSV / HSBhsv(283.1, 44.1%, 56.9%)
CMYK12.4%, 44.1%, 0%, 43.1%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer8,343,953
CSS custom property--colour: #7F5191;

Brightness & contrast

Relative luminance0.12441WCAG 2.x, 0 is black and 1 is white
Perceived brightness105.2 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 6.02:1
Contrast with white6.02:1WCAG normal text: AA
Contrast with black3.49:1WCAG normal text: Fail
Greyscale equivalent#5F5F5F
Inverted#80AE6E

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#466093no red cones; affects about 1% of men; ΔE 25.7 from the original
Deuteranopia#52648Fno green cones; the most common form, about 1% of men; ΔE 26.1 from the original
Tritanopia#7E5A6Ano blue cones; rare, and affects men and women equally; ΔE 28 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text6.02:1WCAG large text: AAA
Contrast with black, large text3.49:1WCAG large text: AA

Named colours

Dark slateblue · ΔE 18.8Rebecca purple · ΔE 24.4Medium purple · ΔE 26.5Slate blue · ΔE 30.6Purple · ΔE 31.6Plum · ΔE 32
Nearest named CSS colourDark slateblue (#483D8B)ΔE 18.76, a distinctly different colour
Hue familyviolet
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#639151
Analogous#5F5191, #915183
Triadic#917F51, #51917F
Split complementary#839151, #51915F
Tetradic#915F51, #639151, #518391

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#DCCCE2
Lighter +30%#C6ABD0
Lighter +20%#AF8ABE
Lighter +10%#996AAB
Darker −10%#623F70
Darker −20%#462C50
Darker −30%#291A2F
Darker −40%#0C080E
More saturated +25%#8B35AD
Less saturated −25%#736D75

Channel breakdown

R127
G81
B145
Red127 (49.8%)
Green81 (31.8%)
Blue145 (56.9%)
Hue283.13°
Saturation (HSL)28.32%
Lightness44.31%
Dominant channelBlue
Hex per channelR 7F · G 51 · B 91

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Every value on this page was computed from “7f5191” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.