Colour

#40003F

#40003F
Magenta
Dark
Nearest: Midnight blue

#40003F is a magenta with RGB values 64, 0, 63 and HSL 301°, 100%, 13%. It is a dark colour, so white text on it reaches 16.3:1 contrast (AAA for normal text). The nearest named colour is Midnight blue.

Colour values

#40003F#40003F

HEX#40003F

RGBrgb(64, 0, 63)

RGB (0–1)0.251, 0, 0.2471

RGB percentages25.1%, 0%, 24.7%

HSLhsl(300.9, 100%, 12.5%)

HSV / HSBhsv(300.9, 100%, 25.1%)

CMYK0%, 100%, 1.6%, 74.9%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer4,194,367

CSS custom property--colour: #40003F;

Brightness & contrast

Relative luminance0.01449WCAG 2.x, 0 is black and 1 is white

Perceived brightness41 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 16.28:1

Contrast with white16.28:1WCAG normal text: AAA

Contrast with black1.29:1WCAG normal text: Fail

Greyscale equivalent#121212

Inverted#BFFFC0

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#001B41no red cones; affects about 1% of men; ΔE 29.2 from the original

Deuteranopia#15233Eno green cones; the most common form, about 1% of men; ΔE 32.5 from the original

Tritanopia#430B21no blue cones; rare, and affects men and women equally; ΔE 24.3 from the original

Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning

Contrast with white, large text16.28:1WCAG large text: AAA

Contrast with black, large text1.29:1WCAG large text: Fail

Named colours

Midnight blue · ΔE 28.2 Dark slateblue · ΔE 29.2 Purple · ΔE 32.1 Rebecca purple · ΔE 33.2 Indigo · ΔE 35.8 Dark magenta · ΔE 37.2

Nearest named CSS colourMidnight blue (#191970)ΔE 28.18, a distinctly different colour

Hue familymagenta

CSS keyword usableNo exact keyword

Colour harmonies

base +30°+90°+120°+180°+210°+240°+270°+330°

Complementary#004001

Analogous#210040, #40001F

Triadic#3F4000, #003F40

Split complementary#1F4000, #004021

Tetradic#402100, #004001, #001F40

Tints, shades & saturation

+40%+30%+20%+10%base -10%-20%-30%-40%

Lighter +40%#FF0DFB

Lighter +30%#D900D6

Lighter +20%#A600A3

Lighter +10%#730071

Darker −10%#0D000D

Darker −20%#000000

Darker −30%#000000

Darker −40%#000000

More saturated +25%#40003F

Less saturated −25%#380837

Channel breakdown

R64

B63

Red64 (25.1%)

Green0 (0%)

Blue63 (24.7%)

Hue300.94°

Saturation (HSL)100%

Lightness12.55%

Dominant channelRed

Hex per channelR 40 · G 00 · B 3F

Keep nerding

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#40003F

Colour values

Brightness & contrast

Colour vision & accessibility

Named colours

Colour harmonies

Tints, shades & saturation

Channel breakdown

Keep nerding

Harmonies

Lighter and darker

Similar named colours

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