Recognised as Colour

#33183A

#33183A
Violet
Dark
Nearest: Black

#33183A is a violet with RGB values 51, 24, 58 and HSL 288°, 41%, 16%. It is a dark colour, so white text on it reaches 15.8:1 contrast (AAA for normal text). The nearest named colour is Black.

Colour values

#33183A#33183A

HEX#33183A

RGBrgb(51, 24, 58)

RGB (0–1)0.2, 0.0941, 0.2275

RGB percentages20%, 9.4%, 22.7%

HSLhsl(287.6, 41.5%, 16.1%)

HSV / HSBhsv(287.6, 58.6%, 22.7%)

CMYK12.1%, 58.6%, 0%, 77.3%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer3,348,538

CSS custom property--colour: #33183A;

Brightness & contrast

Relative luminance0.01663WCAG 2.x, 0 is black and 1 is white

Perceived brightness38.7 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 15.76:1

Contrast with white15.76:1WCAG normal text: AAA

Contrast with black1.33:1WCAG normal text: Fail

Greyscale equivalent#202020

Inverted#CCE7C5

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#12213Bno red cones; affects about 1% of men; ΔE 16.9 from the original

Deuteranopia#1A2439no green cones; the most common form, about 1% of men; ΔE 17.6 from the original

Tritanopia#331D26no blue cones; rare, and affects men and women equally; ΔE 16.9 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text15.76:1WCAG large text: AAA

Contrast with black, large text1.33:1WCAG large text: Fail

Named colours

Black · ΔE 29.4 Dark slateblue · ΔE 31.4 Midnight blue · ΔE 35.1 Dark slate grey · ΔE 38.6 Dim grey · ΔE 40.4 Rebecca purple · ΔE 42.7

Nearest named CSS colourBlack (#000000)ΔE 29.41, a distinctly different colour

Hue familyviolet

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#1F3A18

Analogous#22183A, #3A1830

Triadic#3A3318, #183A33

Split complementary#303A18, #183A22

Tetradic#3A2218, #1F3A18, #18303A

Tints, shades & saturation

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

Lighter +40%#AA61BD

Lighter +30%#9245A6

Lighter +20%#723682

Lighter +10%#53275E

Darker −10%#130916

Darker −20%#000000

Darker −30%#000000

Darker −40%#000000

More saturated +25%#390E44

Less saturated −25%#2D2230

Channel breakdown

R51

G24

B58

Red51 (20%)

Green24 (9.4%)

Blue58 (22.7%)

Hue287.65°

Saturation (HSL)41.46%

Lightness16.08%

Dominant channelBlue

Hex per channelR 33 · G 18 · B 3A

Keep nerding

Every link below is a page Nerdulator can generate from what it already knows about this value.

#33183A

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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