Colour

#1B0939

#1B0939
Violet
Dark
Nearest: Midnight blue

#1B0939 is a violet with RGB values 27, 9, 57 and HSL 263°, 73%, 13%. It is a dark colour, so white text on it reaches 18.3:1 contrast (AAA for normal text). The nearest named colour is Midnight blue.

Colour values

#1B0939#1B0939

HEX#1B0939

RGBrgb(27, 9, 57)

RGB (0–1)0.1059, 0.0353, 0.2235

RGB percentages10.6%, 3.5%, 22.4%

HSLhsl(262.5, 72.7%, 12.9%)

HSV / HSBhsv(262.5, 84.2%, 22.4%)

CMYK52.6%, 84.2%, 0%, 77.6%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer1,771,833

CSS custom property--colour: #1B0939;

Brightness & contrast

Relative luminance0.00724WCAG 2.x, 0 is black and 1 is white

Perceived brightness25.2 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 18.34:1

Contrast with white18.34:1WCAG normal text: AAA

Contrast with black1.14:1WCAG normal text: Fail

Greyscale equivalent#101010

Inverted#E4F6C6

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#00153Ano red cones; affects about 1% of men; ΔE 13.2 from the original

Deuteranopia#001438no green cones; the most common form, about 1% of men; ΔE 13.5 from the original

Tritanopia#121520no blue cones; rare, and affects men and women equally; ΔE 27.8 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text18.34:1WCAG large text: AAA

Contrast with black, large text1.14:1WCAG large text: Fail

Named colours

Midnight blue · ΔE 26 Dark slateblue · ΔE 28.7 Black · ΔE 35.7 Rebecca purple · ΔE 39 Indigo · ΔE 41.8 Purple · ΔE 44.5

Nearest named CSS colourMidnight blue (#191970)ΔE 26, a distinctly different colour

Hue familyviolet

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#273909

Analogous#090F39, #330939

Triadic#391B09, #09391B

Split complementary#393309, #0F3909

Tetradic#39090F, #273909, #093933

Tints, shades & saturation

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

Lighter +40%#7130DE

Lighter +30%#5A1EBD

Lighter +20%#451791

Lighter +10%#301065

Darker −10%#06020D

Darker −20%#000000

Darker −30%#000000

Darker −40%#000000

More saturated +25%#190141

Less saturated −25%#1D1131

Channel breakdown

R27

B57

Red27 (10.6%)

Green9 (3.5%)

Blue57 (22.4%)

Hue262.5°

Saturation (HSL)72.73%

Lightness12.94%

Dominant channelBlue

Hex per channelR 1B · G 09 · B 39

Keep nerding

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#1B0939

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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