Recognised as Colour

#3378DA

#3378DA
Blue
Dark
Nearest: Dodgerblue

#3378DA is a blue with RGB values 51, 120, 218 and HSL 215°, 69%, 53%. It is a dark colour, so black text on it reaches 4.8:1 contrast (AA for normal text). The nearest named colour is Dodgerblue.

Colour values

#3378DA#3378DA

HEX#3378DA

RGBrgb(51, 120, 218)

RGB (0–1)0.2, 0.4706, 0.8549

RGB percentages20%, 47.1%, 85.5%

HSLhsl(215.2, 69.3%, 52.7%)

HSV / HSBhsv(215.2, 76.6%, 85.5%)

CMYK76.6%, 45%, 0%, 14.5%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer3,373,274

CSS custom property--colour: #3378DA;

Brightness & contrast

Relative luminance0.19199WCAG 2.x, 0 is black and 1 is white

Perceived brightness121 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundBlackcontrast 4.84:1

Contrast with white4.34:1WCAG normal text: Fail

Contrast with black4.84:1WCAG normal text: AA

Greyscale equivalent#707070

Inverted#CC8725

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#4581DEno red cones; affects about 1% of men; ΔE 4.9 from the original

Deuteranopia#1F72D8no green cones; the most common form, about 1% of men; ΔE 3.7 from the original

Tritanopia#008F9Eno blue cones; rare, and affects men and women equally; ΔE 55.4 from the original

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

Contrast with white, large text4.34:1WCAG large text: AA

Contrast with black, large text4.84:1WCAG large text: AAA

Named colours

Dodgerblue · ΔE 11.3 Cornflower blue · ΔE 13.5 Royal blue · ΔE 16.6 Slate blue · ΔE 24.2 Medium purple · ΔE 25.4 Dark slateblue · ΔE 28.1

Nearest named CSS colourDodgerblue (#1E90FF)ΔE 11.3, a distinctly different colour

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#DA9533

Analogous#33CCDA, #4133DA

Triadic#DA3378, #78DA33

Split complementary#DA4233, #CCDA33

Tetradic#DA33CC, #DA9533, #33DA42

Tints, shades & saturation

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

Lighter +40%#E0EAF9

Lighter +30%#B5CEF1

Lighter +20%#89B1EA

Lighter +10%#5E95E2

Darker −10%#2160B9

Darker −20%#1A498D

Darker −30%#123362

Darker −40%#0A1D37

More saturated +25%#1573F8

Less saturated −25%#517DBC

Channel breakdown

R51

G120

B218

Red51 (20%)

Green120 (47.1%)

Blue218 (85.5%)

Hue215.21°

Saturation (HSL)69.29%

Lightness52.75%

Dominant channelBlue

Hex per channelR 33 · G 78 · B DA

Keep nerding

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#3378DA

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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