Colour

#2B103B

#2B103B
Violet
Dark
Nearest: Dark slateblue

#2B103B is a violet with RGB values 43, 16, 59 and HSL 278°, 57%, 15%. It is a dark colour, so white text on it reaches 16.9:1 contrast (AAA for normal text). The nearest named colour is Dark slateblue.

Colour values

#2B103B#2B103B

HEX#2B103B

RGBrgb(43, 16, 59)

RGB (0–1)0.1686, 0.0627, 0.2314

RGB percentages16.9%, 6.3%, 23.1%

HSLhsl(277.7, 57.3%, 14.7%)

HSV / HSBhsv(277.7, 72.9%, 23.1%)

CMYK27.1%, 72.9%, 0%, 76.9%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer2,822,203

CSS custom property--colour: #2B103B;

Brightness & contrast

Relative luminance0.012WCAG 2.x, 0 is black and 1 is white

Perceived brightness33.2 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 16.94:1

Contrast with white16.94:1WCAG normal text: AAA

Contrast with black1.24:1WCAG normal text: Fail

Greyscale equivalent#191919

Inverted#D4EFC4

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#011B3Cno red cones; affects about 1% of men; ΔE 17.7 from the original

Deuteranopia#0B1D3Ano green cones; the most common form, about 1% of men; ΔE 18.3 from the original

Tritanopia#291823no blue cones; rare, and affects men and women equally; ΔE 21.8 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text16.94:1WCAG large text: AAA

Contrast with black, large text1.24:1WCAG large text: Fail

Named colours

Dark slateblue · ΔE 28.6 Midnight blue · ΔE 29.3 Black · ΔE 33.5 Rebecca purple · ΔE 39 Purple · ΔE 43.3 Indigo · ΔE 43.6

Nearest named CSS colourDark slateblue (#483D8B)ΔE 28.62, a distinctly different colour

Hue familyviolet

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#203B10

Analogous#16103B, #3B1035

Triadic#3B2B10, #103B2B

Split complementary#353B10, #103B16

Tetradic#3B1610, #203B10, #10353B

Tints, shades & saturation

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

Lighter +40%#9C49CE

Lighter +30%#8331B3

Lighter +20%#65268B

Lighter +10%#481B63

Darker −10%#0E0513

Darker −20%#000000

Darker −30%#000000

Darker −40%#000000

More saturated +25%#2D0744

Less saturated −25%#291932

Channel breakdown

R43

G16

B59

Red43 (16.9%)

Green16 (6.3%)

Blue59 (23.1%)

Hue277.67°

Saturation (HSL)57.33%

Lightness14.71%

Dominant channelBlue

Hex per channelR 2B · G 10 · B 3B

Keep nerding

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#2B103B

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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