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Recognised as Colour

#971BB5

  • #971BB5
  • Violet
  • Dark
  • Nearest: Dark orchid

#971BB5 is a violet with RGB values 151, 27, 181 and HSL 288°, 74%, 41%. It is a dark colour, so white text on it reaches 6.7:1 contrast (AA for normal text). The nearest named colour is Dark orchid.

Colour values

#971BB5#971BB5
HEX#971BB5
RGBrgb(151, 27, 181)
RGB (0–1)0.5922, 0.1059, 0.7098
RGB percentages59.2%, 10.6%, 71%
HSLhsl(288.3, 74%, 40.8%)
HSV / HSBhsv(288.3, 85.1%, 71%)
CMYK16.6%, 85.1%, 0%, 29%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer9,903,029
CSS custom property--colour: #971BB5;

Brightness & contrast

Relative luminance0.10699WCAG 2.x, 0 is black and 1 is white
Perceived brightness104.8 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 6.69:1
Contrast with white6.69:1WCAG normal text: AA
Contrast with black3.14:1WCAG normal text: Fail
Greyscale equivalent#404040
Inverted#68E44A

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#0055B9no red cones; affects about 1% of men; ΔE 48.7 from the original
Deuteranopia#2460B2no green cones; the most common form, about 1% of men; ΔE 56.5 from the original
Tritanopia#96426Cno blue cones; rare, and affects men and women equally; ΔE 53.8 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text6.69:1WCAG large text: AAA
Contrast with black, large text3.14:1WCAG large text: AA

Named colours

Dark orchid · ΔE 8.1Dark magenta · ΔE 16.9Medium orchid · ΔE 17.8Dark violet · ΔE 19Purple · ΔE 21.2Blue violet · ΔE 21.5
Nearest named CSS colourDark orchid (#9932CC)ΔE 8.05, clearly different but related
Hue familyviolet
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#39B51B
Analogous#4A1BB5, #B51B86
Triadic#B5971B, #1BB597
Split complementary#86B51B, #1BB54A
Tetradic#B54A1B, #39B51B, #1B86B5

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#E4AAF2
Lighter +30%#D67DEC
Lighter +20%#C851E5
Lighter +10%#BA25DE
Darker −10%#721489
Darker −20%#4D0E5C
Darker −30%#280730
Darker −40%#030103
More saturated +25%#A701CF
Less saturated −25%#87359B

Channel breakdown

R151
G27
B181
Red151 (59.2%)
Green27 (10.6%)
Blue181 (71%)
Hue288.31°
Saturation (HSL)74.04%
Lightness40.78%
Dominant channelBlue
Hex per channelR 97 · G 1B · B B5

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Every value on this page was computed from “971bb5” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.