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Recognised as Colour

#571A97

  • #571A97
  • Violet
  • Dark
  • Nearest: Indigo

#571A97 is a violet with RGB values 87, 26, 151 and HSL 269°, 71%, 35%. It is a dark colour, so white text on it reaches 10.5:1 contrast (AAA for normal text). The nearest named colour is Indigo.

Colour values

#571A97#571A97
HEX#571A97
RGBrgb(87, 26, 151)
RGB (0–1)0.3412, 0.102, 0.5922
RGB percentages34.1%, 10.2%, 59.2%
HSLhsl(269.3, 70.6%, 34.7%)
HSV / HSBhsv(269.3, 82.8%, 59.2%)
CMYK42.4%, 82.8%, 0%, 40.8%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer5,708,439
CSS custom property--colour: #571A97;

Brightness & contrast

Relative luminance0.04999WCAG 2.x, 0 is black and 1 is white
Perceived brightness72.5 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 10.5:1
Contrast with white10.5:1WCAG normal text: AAA
Contrast with black2:1WCAG normal text: Fail
Greyscale equivalent#303030
Inverted#A8E568

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#003F9Ano red cones; affects about 1% of men; ΔE 30.1 from the original
Deuteranopia#003E95no green cones; the most common form, about 1% of men; ΔE 31.6 from the original
Tritanopia#473E5Ano blue cones; rare, and affects men and women equally; ΔE 57.4 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text10.5:1WCAG large text: AAA
Contrast with black, large text2:1WCAG large text: Fail

Named colours

Indigo · ΔE 6.9Rebecca purple · ΔE 13.5Navy · ΔE 16.6Dark blue · ΔE 17.4Purple · ΔE 21.4Dark magenta · ΔE 21.7
Nearest named CSS colourIndigo (#4B0082)ΔE 6.88, clearly different but related
Hue familyviolet
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#5A971A
Analogous#1A1C97, #951A97
Triadic#97571A, #1A9757
Split complementary#97951A, #1C971A
Tetradic#971A1C, #5A971A, #1A9795

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#BD91EC
Lighter +30%#A365E5
Lighter +20%#8A3ADD
Lighter +10%#7021C3
Darker −10%#3E136B
Darker −20%#250B40
Darker −30%#0C0414
Darker −40%#000000
More saturated +25%#5604AD
Less saturated −25%#583081

Channel breakdown

R87
G26
B151
Red87 (34.1%)
Green26 (10.2%)
Blue151 (59.2%)
Hue269.28°
Saturation (HSL)70.62%
Lightness34.71%
Dominant channelBlue
Hex per channelR 57 · G 1A · B 97

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Every value on this page was computed from “571a97” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.