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Recognised as Colour

#421F40

  • #421F40
  • Magenta
  • Dark
  • Nearest: Dark slateblue

#421F40 is a magenta with RGB values 66, 31, 64 and HSL 303°, 36%, 19%. It is a dark colour, so white text on it reaches 14:1 contrast (AAA for normal text). The nearest named colour is Dark slateblue.

Colour values

#421F40#421F40
HEX#421F40
RGBrgb(66, 31, 64)
RGB (0–1)0.2588, 0.1216, 0.251
RGB percentages25.9%, 12.2%, 25.1%
HSLhsl(303.4, 36.1%, 19%)
HSV / HSBhsv(303.4, 53%, 25.9%)
CMYK0%, 53%, 3%, 74.1%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer4,333,376
CSS custom property--colour: #421F40;

Brightness & contrast

Relative luminance0.02508WCAG 2.x, 0 is black and 1 is white
Perceived brightness48.3 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 13.98:1
Contrast with white13.98:1WCAG normal text: AAA
Contrast with black1.5:1WCAG normal text: Fail
Greyscale equivalent#292929
Inverted#BDE0BF

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#1D2941no red cones; affects about 1% of men; ΔE 19.9 from the original
Deuteranopia#272E3Fno green cones; the most common form, about 1% of men; ΔE 20.7 from the original
Tritanopia#44222Cno blue cones; rare, and affects men and women equally; ΔE 15.2 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text13.98:1WCAG large text: AAA
Contrast with black, large text1.5:1WCAG large text: Fail

Named colours

Dark slateblue · ΔE 31.3Black · ΔE 31.9Midnight blue · ΔE 37.1Dim grey · ΔE 37.4Dark slate grey · ΔE 38.1Rebecca purple · ΔE 41.9
Nearest named CSS colourDark slateblue (#483D8B)ΔE 31.33, a distinctly different colour
Hue familymagenta
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#1F4221
Analogous#331F42, #421F2E
Triadic#40421F, #1F4042
Split complementary#2F421F, #1F4233
Tetradic#42331F, #1F4221, #1F2F42

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#BC71B8
Lighter +30%#AA50A5
Lighter +20%#874083
Lighter +10%#652F62
Darker −10%#1F0F1E
Darker −20%#000000
Darker −30%#000000
Darker −40%#000000
More saturated +25%#4E134B
Less saturated −25%#362B35

Channel breakdown

R66
G31
B64
Red66 (25.9%)
Green31 (12.2%)
Blue64 (25.1%)
Hue303.43°
Saturation (HSL)36.08%
Lightness19.02%
Dominant channelRed
Hex per channelR 42 · G 1F · B 40

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Every value on this page was computed from “421f40” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.