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Colour

#66003A

  • #66003A
  • Magenta
  • Dark
  • Nearest: Purple

#66003A is a magenta with RGB values 102, 0, 58 and HSL 326°, 100%, 20%. It is a dark colour, so white text on it reaches 12.9:1 contrast (AAA for normal text). The nearest named colour is Purple.

Colour values

#66003A#66003A
HEX#66003A
RGBrgb(102, 0, 58)
RGB (0–1)0.4, 0, 0.2275
RGB percentages40%, 0%, 22.7%
HSLhsl(325.9, 100%, 20%)
HSV / HSBhsv(325.9, 100%, 40%)
CMYK0%, 100%, 43.1%, 60%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer6,684,730
CSS custom property--colour: #66003A;

Brightness & contrast

Relative luminance0.0313WCAG 2.x, 0 is black and 1 is white
Perceived brightness59.1 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 12.91:1
Contrast with white12.91:1WCAG normal text: AAA
Contrast with black1.63:1WCAG normal text: Fail
Greyscale equivalent#1A1A1A
Inverted#99FFC5

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#1C263Bno red cones; affects about 1% of men; ΔE 43.1 from the original
Deuteranopia#383838no green cones; the most common form, about 1% of men; ΔE 44.5 from the original
Tritanopia#6F001Fno blue cones; rare, and affects men and women equally; ΔE 21.2 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text12.91:1WCAG large text: AAA
Contrast with black, large text1.63:1WCAG large text: Fail

Named colours

Purple · ΔE 36Medium violet red · ΔE 37.6Brown · ΔE 39.7Dark magenta · ΔE 40.3Pale violetred · ΔE 40.4Indian red · ΔE 42.6
Nearest named CSS colourPurple (#800080)ΔE 36.02, a distinctly different colour
Hue familymagenta
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#00662C
Analogous#5F0066, #660007
Triadic#3A6600, #003A66
Split complementary#076600, #00665F
Tetradic#665F00, #00662C, #000766

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FF33A7
Lighter +30%#FF0091
Lighter +20%#CC0074
Lighter +10%#990057
Darker −10%#33001D
Darker −20%#000000
Darker −30%#000000
Darker −40%#000000
More saturated +25%#66003A
Less saturated −25%#590D38

Channel breakdown

R102
G0
B58
Red102 (40%)
Green0 (0%)
Blue58 (22.7%)
Hue325.88°
Saturation (HSL)100%
Lightness20%
Dominant channelRed
Hex per channelR 66 · G 00 · B 3A

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Every value on this page was computed from “66003a” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.