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Recognised as Colour

#57006B

  • #57006B
  • Violet
  • Dark
  • Nearest: Purple

#57006B is a violet with RGB values 87, 0, 107 and HSL 289°, 100%, 21%. It is a dark colour, so white text on it reaches 13:1 contrast (AAA for normal text). The nearest named colour is Purple.

Colour values

#57006B#57006B
HEX#57006B
RGBrgb(87, 0, 107)
RGB (0–1)0.3412, 0, 0.4196
RGB percentages34.1%, 0%, 42%
HSLhsl(288.8, 100%, 21%)
HSV / HSBhsv(288.8, 100%, 42%)
CMYK18.7%, 100%, 0%, 58%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer5,701,739
CSS custom property--colour: #57006B;

Brightness & contrast

Relative luminance0.03088WCAG 2.x, 0 is black and 1 is white
Perceived brightness59.7 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 12.98:1
Contrast with white12.98:1WCAG normal text: AAA
Contrast with black1.62:1WCAG normal text: Fail
Greyscale equivalent#1A1A1A
Inverted#A8FF94

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#002C6Dno red cones; affects about 1% of men; ΔE 33.5 from the original
Deuteranopia#053369no green cones; the most common form, about 1% of men; ΔE 40 from the original
Tritanopia#56203Cno blue cones; rare, and affects men and women equally; ΔE 38.7 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text12.98:1WCAG large text: AAA
Contrast with black, large text1.62:1WCAG large text: Fail

Named colours

Purple · ΔE 14.2Indigo · ΔE 15.1Rebecca purple · ΔE 16.2Dark magenta · ΔE 18.6Midnight blue · ΔE 20.6Dark slateblue · ΔE 25
Nearest named CSS colourPurple (#800080)ΔE 14.2, a distinctly different colour
Hue familyviolet
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#146B00
Analogous#21006B, #6B004A
Triadic#6B5700, #006B57
Split complementary#4A6B00, #006B21
Tetradic#6B2100, #146B00, #004A6B

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#DA38FF
Lighter +30%#D005FF
Lighter +20%#AA00D1
Lighter +10%#80009E
Darker −10%#2E0038
Darker −20%#040005
Darker −30%#000000
Darker −40%#000000
More saturated +25%#57006B
Less saturated −25%#4F0D5E

Channel breakdown

R87
G0
B107
Red87 (34.1%)
Green0 (0%)
Blue107 (42%)
Hue288.79°
Saturation (HSL)100%
Lightness20.98%
Dominant channelBlue
Hex per channelR 57 · G 00 · B 6B

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Every value on this page was computed from “57006b” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.