Colour

#37194B

#37194B
Violet
Dark
Nearest: Dark slateblue

#37194B is a violet with RGB values 55, 25, 75 and HSL 276°, 50%, 20%. It is a dark colour, so white text on it reaches 15:1 contrast (AAA for normal text). The nearest named colour is Dark slateblue.

Colour values

#37194B#37194B

HEX#37194B

RGBrgb(55, 25, 75)

RGB (0–1)0.2157, 0.098, 0.2941

RGB percentages21.6%, 9.8%, 29.4%

HSLhsl(276, 50%, 19.6%)

HSV / HSBhsv(276, 66.7%, 29.4%)

CMYK26.7%, 66.7%, 0%, 70.6%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer3,610,955

CSS custom property--colour: #37194B;

Brightness & contrast

Relative luminance0.02015WCAG 2.x, 0 is black and 1 is white

Perceived brightness43.7 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 14.97:1

Contrast with white14.97:1WCAG normal text: AAA

Contrast with black1.4:1WCAG normal text: Fail

Greyscale equivalent#232323

Inverted#C8E6B4

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#05264Dno red cones; affects about 1% of men; ΔE 19.9 from the original

Deuteranopia#13274Ano green cones; the most common form, about 1% of men; ΔE 19.7 from the original

Tritanopia#34232Fno blue cones; rare, and affects men and women equally; ΔE 25.3 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text14.97:1WCAG large text: AAA

Contrast with black, large text1.4:1WCAG large text: Fail

Named colours

Dark slateblue · ΔE 22.8 Midnight blue · ΔE 25.2 Rebecca purple · ΔE 33 Purple · ΔE 38.2 Indigo · ΔE 38.9 Black · ΔE 38.9

Nearest named CSS colourDark slateblue (#483D8B)ΔE 22.76, a distinctly different colour

Hue familyviolet

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#2D4B19

Analogous#1E194B, #4B1946

Triadic#4B3719, #194B37

Split complementary#464B19, #194B1E

Tetradic#4B1E19, #2D4B19, #19464B

Tints, shades & saturation

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

Lighter +40%#A264CC

Lighter +30%#8B3FBE

Lighter +20%#6F3298

Lighter +10%#532671

Darker −10%#1B0C25

Darker −20%#000000

Darker −30%#000000

Darker −40%#000000

More saturated +25%#390C58

Less saturated −25%#35253F

Channel breakdown

R55

G25

B75

Red55 (21.6%)

Green25 (9.8%)

Blue75 (29.4%)

Hue276°

Saturation (HSL)50%

Lightness19.61%

Dominant channelBlue

Hex per channelR 37 · G 19 · B 4B

Keep nerding

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#37194B

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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