Colour

#3318B1

#3318B1
Blue
Dark
Nearest: Dark blue

#3318B1 is a blue with RGB values 51, 24, 177 and HSL 251°, 76%, 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

#3318B1#3318B1

HEX#3318B1

RGBrgb(51, 24, 177)

RGB (0–1)0.2, 0.0941, 0.6941

RGB percentages20%, 9.4%, 69.4%

HSLhsl(250.6, 76.1%, 39.4%)

HSV / HSBhsv(250.6, 86.4%, 69.4%)

CMYK71.2%, 86.4%, 0%, 30.6%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer3,348,657

CSS custom property--colour: #3318B1;

Brightness & contrast

Relative luminance0.04531WCAG 2.x, 0 is black and 1 is white

Perceived brightness68.5 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 11.02:1

Contrast with white11.02:1WCAG normal text: AAA

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

Greyscale equivalent#292929

Inverted#CCE74E

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#0042B5no red cones; affects about 1% of men; ΔE 27.4 from the original

Deuteranopia#0036AFno green cones; the most common form, about 1% of men; ΔE 20.7 from the original

Tritanopia#004B69no blue cones; rare, and affects men and women equally; ΔE 81.2 from the original

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

Contrast with white, large text11.02:1WCAG large text: AAA

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

Named colours

Dark blue · ΔE 12.7 Navy · ΔE 17.3 Medium blue · ΔE 21.2 Indigo · ΔE 21.7 Blue violet · ΔE 22.6 Dark orchid · ΔE 25.1

Nearest named CSS colourDark blue (#00008B)ΔE 12.75, a distinctly different colour

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#96B118

Analogous#1849B1, #8018B1

Triadic#B13318, #18B133

Split complementary#B18018, #49B118

Tetradic#B11849, #96B118, #18B180

Tints, shades & saturation

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

Lighter +40%#B1A3F2

Lighter +30%#8B76EC

Lighter +20%#6549E6

Lighter +10%#401EDE

Darker −10%#261284

Darker −20%#190C57

Darker −30%#0C062A

Darker −40%#000000

More saturated +25%#2300C9

Less saturated −25%#433198

Channel breakdown

R51

G24

B177

Red51 (20%)

Green24 (9.4%)

Blue177 (69.4%)

Hue250.59°

Saturation (HSL)76.12%

Lightness39.41%

Dominant channelBlue

Hex per channelR 33 · G 18 · B B1

Keep nerding

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

#3318B1

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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