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Recognised as Colour

#420B4D

  • #420B4D
  • Magenta
  • Dark
  • Nearest: Midnight blue

#420B4D is a magenta with RGB values 66, 11, 77 and HSL 290°, 75%, 17%. It is a dark colour, so white text on it reaches 15.1:1 contrast (AAA for normal text). The nearest named colour is Midnight blue.

Colour values

#420B4D#420B4D
HEX#420B4D
RGBrgb(66, 11, 77)
RGB (0–1)0.2588, 0.0431, 0.302
RGB percentages25.9%, 4.3%, 30.2%
HSLhsl(290, 75%, 17.3%)
HSV / HSBhsv(290, 85.7%, 30.2%)
CMYK14.3%, 85.7%, 0%, 69.8%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer4,328,269
CSS custom property--colour: #420B4D;

Brightness & contrast

Relative luminance0.01933WCAG 2.x, 0 is black and 1 is white
Perceived brightness45.3 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 15.14:1
Contrast with white15.14:1WCAG normal text: AAA
Contrast with black1.39:1WCAG normal text: Fail
Greyscale equivalent#1B1B1B
Inverted#BDF4B2

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#00224Fno red cones; affects about 1% of men; ΔE 26.8 from the original
Deuteranopia#12284Cno green cones; the most common form, about 1% of men; ΔE 30 from the original
Tritanopia#42192Cno blue cones; rare, and affects men and women equally; ΔE 27.4 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text15.14:1WCAG large text: AAA
Contrast with black, large text1.39:1WCAG large text: Fail

Named colours

Midnight blue · ΔE 22.7Dark slateblue · ΔE 23.5Rebecca purple · ΔE 27.8Purple · ΔE 29.3Indigo · ΔE 31.3Dark magenta · ΔE 34.3
Nearest named CSS colourMidnight blue (#191970)ΔE 22.69, a distinctly different colour
Hue familymagenta
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#164D0B
Analogous#210B4D, #4D0B37
Triadic#4D420B, #0B4D42
Split complementary#374D0B, #0B4D21
Tetradic#4D210B, #164D0B, #0B374D

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#C840E4
Lighter +30%#B51ED3
Lighter +20%#8E18A6
Lighter +10%#68117A
Darker −10%#1C0520
Darker −20%#000000
Darker −30%#000000
Darker −40%#000000
More saturated +25%#490058
Less saturated −25%#3B1642

Channel breakdown

R66
G11
B77
Red66 (25.9%)
Green11 (4.3%)
Blue77 (30.2%)
Hue290°
Saturation (HSL)75%
Lightness17.25%
Dominant channelBlue
Hex per channelR 42 · G 0B · B 4D

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Every value on this page was computed from “420b4d” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.