Colour

#36183D

#36183D
Violet
Dark
Nearest: Dark slateblue

#36183D is a violet with RGB values 54, 24, 61 and HSL 289°, 44%, 17%. It is a dark colour, so white text on it reaches 15.5:1 contrast (AAA for normal text). The nearest named colour is Dark slateblue.

Colour values

#36183D#36183D

HEX#36183D

RGBrgb(54, 24, 61)

RGB (0–1)0.2118, 0.0941, 0.2392

RGB percentages21.2%, 9.4%, 23.9%

HSLhsl(288.6, 43.5%, 16.7%)

HSV / HSBhsv(288.6, 60.7%, 23.9%)

CMYK11.5%, 60.7%, 0%, 76.1%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer3,545,149

CSS custom property--colour: #36183D;

Brightness & contrast

Relative luminance0.01774WCAG 2.x, 0 is black and 1 is white

Perceived brightness40.4 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 15.5:1

Contrast with white15.5:1WCAG normal text: AAA

Contrast with black1.35:1WCAG normal text: Fail

Greyscale equivalent#212121

Inverted#C9E7C2

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#11223Eno red cones; affects about 1% of men; ΔE 18.4 from the original

Deuteranopia#1B253Cno green cones; the most common form, about 1% of men; ΔE 18.6 from the original

Tritanopia#361D27no blue cones; rare, and affects men and women equally; ΔE 18 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text15.5:1WCAG large text: AAA

Contrast with black, large text1.35:1WCAG large text: Fail

Named colours

Dark slateblue · ΔE 29.9 Black · ΔE 31.5 Midnight blue · ΔE 33.5 Dark slate grey · ΔE 40.2 Rebecca purple · ΔE 40.8 Dim grey · ΔE 41.2

Nearest named CSS colourDark slateblue (#483D8B)ΔE 29.87, a distinctly different colour

Hue familyviolet

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#1F3D18

Analogous#23183D, #3D1832

Triadic#3D3618, #183D36

Split complementary#323D18, #183D24

Tetradic#3D2418, #1F3D18, #18323D

Tints, shades & saturation

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

Lighter +40%#AE60C1

Lighter +30%#9743AB

Lighter +20%#773586

Lighter +10%#562662

Darker −10%#160A18

Darker −20%#000000

Darker −30%#000000

Darker −40%#000000

More saturated +25%#3D0D48

Less saturated −25%#2F2332

Channel breakdown

R54

G24

B61

Red54 (21.2%)

Green24 (9.4%)

Blue61 (23.9%)

Hue288.65°

Saturation (HSL)43.53%

Lightness16.67%

Dominant channelBlue

Hex per channelR 36 · G 18 · B 3D

Keep nerding

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#36183D

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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