Recognised as Colour

#331F42

#331F42
Violet
Dark
Nearest: Dark slateblue

#331F42 is a violet with RGB values 51, 31, 66 and HSL 274°, 36%, 19%. It is a dark colour, so white text on it reaches 14.8:1 contrast (AAA for normal text). The nearest named colour is Dark slateblue.

Colour values

#331F42#331F42

HEX#331F42

RGBrgb(51, 31, 66)

RGB (0–1)0.2, 0.1216, 0.2588

RGB percentages20%, 12.2%, 25.9%

HSLhsl(274.3, 36.1%, 19%)

HSV / HSBhsv(274.3, 53%, 25.9%)

CMYK22.7%, 53%, 0%, 74.1%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer3,350,338

CSS custom property--colour: #331F42;

Brightness & contrast

Relative luminance0.02077WCAG 2.x, 0 is black and 1 is white

Perceived brightness42.9 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 14.84:1

Contrast with white14.84:1WCAG normal text: AAA

Contrast with black1.42:1WCAG normal text: Fail

Greyscale equivalent#262626

Inverted#CCE0BD

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#172743no red cones; affects about 1% of men; ΔE 14.2 from the original

Deuteranopia#1C2841no green cones; the most common form, about 1% of men; ΔE 14.4 from the original

Tritanopia#31252Dno blue cones; rare, and affects men and women equally; ΔE 18.6 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text14.84:1WCAG large text: AAA

Contrast with black, large text1.42:1WCAG large text: Fail

Named colours

Dark slateblue · ΔE 29.1 Black · ΔE 30.1 Midnight blue · ΔE 34.1 Dark slate grey · ΔE 36.3 Dim grey · ΔE 38.3 Rebecca purple · ΔE 41.8

Nearest named CSS colourDark slateblue (#483D8B)ΔE 29.13, a distinctly different colour

Hue familyviolet

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#2E421F

Analogous#211F42, #421F40

Triadic#42331F, #1F4233

Split complementary#40421F, #1F4222

Tetradic#42221F, #2E421F, #1F4042

Tints, shades & saturation

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

Lighter +40%#9C71BC

Lighter +30%#8350AA

Lighter +20%#694087

Lighter +10%#4E2F65

Darker −10%#180F1F

Darker −20%#000000

Darker −30%#000000

Darker −40%#000000

More saturated +25%#35134E

Less saturated −25%#312B36

Channel breakdown

R51

G31

B66

Red51 (20%)

Green31 (12.2%)

Blue66 (25.9%)

Hue274.29°

Saturation (HSL)36.08%

Lightness19.02%

Dominant channelBlue

Hex per channelR 33 · G 1F · B 42

Keep nerding

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

#331F42

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

Nerdulate something else