Colour

#3319B0

#3319B0
Blue
Dark
Nearest: Dark blue

#3319B0 is a blue with RGB values 51, 25, 176 and HSL 250°, 75%, 39%. It is a dark colour, so white text on it reaches 11:1 contrast (AAA for normal text). The nearest named colour is Dark blue.

Colour values

#3319B0#3319B0

HEX#3319B0

RGBrgb(51, 25, 176)

RGB (0–1)0.2, 0.098, 0.6902

RGB percentages20%, 9.8%, 69%

HSLhsl(250.3, 75.1%, 39.4%)

HSV / HSBhsv(250.3, 85.8%, 69%)

CMYK71%, 85.8%, 0%, 31%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer3,348,912

CSS custom property--colour: #3319B0;

Brightness & contrast

Relative luminance0.04534WCAG 2.x, 0 is black and 1 is white

Perceived brightness68.4 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 11.01:1

Contrast with white11.01:1WCAG normal text: AAA

Contrast with black1.91:1WCAG normal text: Fail

Greyscale equivalent#292929

Inverted#CCE64F

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#0042B4no red cones; affects about 1% of men; ΔE 27 from the original

Deuteranopia#0036AEno green cones; the most common form, about 1% of men; ΔE 20.3 from the original

Tritanopia#004B68no blue cones; rare, and affects men and women equally; ΔE 81 from the original

Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning

Contrast with white, large text11.01:1WCAG large text: AAA

Contrast with black, large text1.91:1WCAG large text: Fail

Named colours

Dark blue · ΔE 12.3 Navy · ΔE 16.7 Indigo · ΔE 21 Medium blue · ΔE 22.1 Blue violet · ΔE 23 Dark orchid · ΔE 25.1

Nearest named CSS colourDark blue (#00008B)ΔE 12.28, a distinctly different colour

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#96B019

Analogous#194AB0, #7F19B0

Triadic#B03319, #19B033

Split complementary#B07F19, #4AB019

Tetradic#B0194A, #96B019, #19B07F

Tints, shades & saturation

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

Lighter +40%#B1A3F2

Lighter +30%#8B76EC

Lighter +20%#654AE5

Lighter +10%#401FDD

Darker −10%#261383

Darker −20%#190C57

Darker −30%#0C062A

Darker −40%#000000

More saturated +25%#2300C9

Less saturated −25%#433297

Channel breakdown

R51

G25

B176

Red51 (20%)

Green25 (9.8%)

Blue176 (69%)

Hue250.33°

Saturation (HSL)75.12%

Lightness39.41%

Dominant channelBlue

Hex per channelR 33 · G 19 · B B0

Keep nerding

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#3319B0

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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