Colour

#220F68

#220F68
Blue
Dark
Nearest: Midnight blue

#220F68 is a blue with RGB values 34, 15, 104 and HSL 253°, 75%, 23%. It is a dark colour, so white text on it reaches 15.7:1 contrast (AAA for normal text). The nearest named colour is Midnight blue.

Colour values

#220F68#220F68

HEX#220F68

RGBrgb(34, 15, 104)

RGB (0–1)0.1333, 0.0588, 0.4078

RGB percentages13.3%, 5.9%, 40.8%

HSLhsl(252.8, 74.8%, 23.3%)

HSV / HSBhsv(252.8, 85.6%, 40.8%)

CMYK67.3%, 85.6%, 0%, 59.2%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer2,232,168

CSS custom property--colour: #220F68;

Brightness & contrast

Relative luminance0.01681WCAG 2.x, 0 is black and 1 is white

Perceived brightness41.4 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 15.72:1

Contrast with white15.72:1WCAG normal text: AAA

Contrast with black1.34:1WCAG normal text: Fail

Greyscale equivalent#191919

Inverted#DDF097

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#00266Ano red cones; affects about 1% of men; ΔE 18.4 from the original

Deuteranopia#002066no green cones; the most common form, about 1% of men; ΔE 15.2 from the original

Tritanopia#002A3Cno blue cones; rare, and affects men and women equally; ΔE 52.7 from the original

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

Contrast with white, large text15.72:1WCAG large text: AAA

Contrast with black, large text1.34:1WCAG large text: Fail

Named colours

Midnight blue · ΔE 4.7 Indigo · ΔE 18.4 Dark slateblue · ΔE 20.4 Rebecca purple · ΔE 20.6 Navy · ΔE 20.7 Dark blue · ΔE 25.6

Nearest named CSS colourMidnight blue (#191970)ΔE 4.68, a close match

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#55680F

Analogous#0F2968, #4E0F68

Triadic#68220F, #0F6822

Split complementary#684F0F, #29680F

Tetradic#680F29, #55680F, #0F684E

Tints, shades & saturation

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

Lighter +40%#795CE7

Lighter +30%#552FE1

Lighter +20%#3F1CC1

Lighter +10%#311595

Darker −10%#13093B

Darker −20%#05020F

Darker −30%#000000

Darker −40%#000000

More saturated +25%#190077

Less saturated −25%#2B1E59

Channel breakdown

R34

G15

B104

Red34 (13.3%)

Green15 (5.9%)

Blue104 (40.8%)

Hue252.81°

Saturation (HSL)74.79%

Lightness23.33%

Dominant channelBlue

Hex per channelR 22 · G 0F · B 68

Keep nerding

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

#220F68

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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