Colour

#2B0021

#2B0021
Magenta
Dark
Nearest: Black

#2B0021 is a magenta with RGB values 43, 0, 33 and HSL 314°, 100%, 8%. It is a dark colour, so white text on it reaches 18.7:1 contrast (AAA for normal text). The nearest named colour is Black.

Colour values

#2B0021#2B0021

HEX#2B0021

RGBrgb(43, 0, 33)

RGB (0–1)0.1686, 0, 0.1294

RGB percentages16.9%, 0%, 12.9%

HSLhsl(314, 100%, 8.4%)

HSV / HSBhsv(314, 100%, 16.9%)

CMYK0%, 100%, 23.3%, 83.1%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer2,818,081

CSS custom property--colour: #2B0021;

Brightness & contrast

Relative luminance0.00623WCAG 2.x, 0 is black and 1 is white

Perceived brightness26 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 18.67:1

Contrast with white18.67:1WCAG normal text: AAA

Contrast with black1.12:1WCAG normal text: Fail

Greyscale equivalent#0C0C0C

Inverted#D4FFDE

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#020E22no red cones; affects about 1% of men; ΔE 23.7 from the original

Deuteranopia#111520no green cones; the most common form, about 1% of men; ΔE 24 from the original

Tritanopia#2E010Fno blue cones; rare, and affects men and women equally; ΔE 13.3 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text18.67:1WCAG large text: AAA

Contrast with black, large text1.12:1WCAG large text: Fail

Named colours

Black · ΔE 28.1 Dark slateblue · ΔE 40.4 Midnight blue · ΔE 40.8 Dark slate grey · ΔE 45.6 Dim grey · ΔE 47.6 Purple · ΔE 48.8

Nearest named CSS colourBlack (#000000)ΔE 28.11, a distinctly different colour

Hue familymagenta

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#002B0A

Analogous#20002B, #2B000B

Triadic#212B00, #00212B

Split complementary#0B2B00, #002B20

Tetradic#2B2000, #002B0A, #000C2B

Tints, shades & saturation

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

Lighter +40%#F700BE

Lighter +30%#C40096

Lighter +20%#91006F

Lighter +10%#5E0048

Darker −10%#000000

Darker −20%#000000

Darker −30%#000000

Darker −40%#000000

More saturated +25%#2B0021

Less saturated −25%#26051E

Channel breakdown

R43

B33

Red43 (16.9%)

Green0 (0%)

Blue33 (12.9%)

Hue313.95°

Saturation (HSL)100%

Lightness8.43%

Dominant channelRed

Hex per channelR 2B · G 00 · B 21

Keep nerding

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#2B0021

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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