Colour

#0078DD

#0078DD
Blue
Dark
Nearest: Dodgerblue

#0078DD is a blue with RGB values 0, 120, 221 and HSL 207°, 100%, 43%. It is a dark colour, so black text on it reaches 4.7:1 contrast (AA for normal text). The nearest named colour is Dodgerblue.

Colour values

#0078DD#0078DD

HEX#0078DD

RGBrgb(0, 120, 221)

RGB (0–1)0, 0.4706, 0.8667

RGB percentages0%, 47.1%, 86.7%

HSLhsl(207.4, 100%, 43.3%)

HSV / HSBhsv(207.4, 100%, 86.7%)

CMYK100%, 45.7%, 0%, 13.3%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer30,941

CSS custom property--colour: #0078DD;

Brightness & contrast

Relative luminance0.18653WCAG 2.x, 0 is black and 1 is white

Perceived brightness118.4 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundBlackcontrast 4.73:1

Contrast with white4.44:1WCAG normal text: Fail

Contrast with black4.73:1WCAG normal text: AA

Greyscale equivalent#666666

Inverted#FF8722

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#3F81E1no red cones; affects about 1% of men; ΔE 5.8 from the original

Deuteranopia#0070DBno green cones; the most common form, about 1% of men; ΔE 5.6 from the original

Tritanopia#0091A0no blue cones; rare, and affects men and women equally; ΔE 56.3 from the original

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

Contrast with white, large text4.44:1WCAG large text: AA

Contrast with black, large text4.73:1WCAG large text: AAA

Named colours

Dodgerblue · ΔE 10.1 Cornflower blue · ΔE 15.3 Royal blue · ΔE 17.1 Slate blue · ΔE 26 Medium purple · ΔE 28.2 Dark slateblue · ΔE 30.2

Nearest named CSS colourDodgerblue (#1E90FF)ΔE 10.07, a distinctly different colour

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#DD6500

Analogous#00DDD4, #0009DD

Triadic#DD0078, #78DD00

Split complementary#DD0009, #DDD400

Tetradic#D400DD, #DD6500, #0ADD00

Tints, shades & saturation

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

Lighter +40%#AAD8FF

Lighter +30%#77C1FF

Lighter +20%#44AAFF

Lighter +10%#1192FF

Darker −10%#005CAA

Darker −20%#004177

Darker −30%#002544

Darker −40%#000911

More saturated +25%#0078DD

Less saturated −25%#1C76C1

Channel breakdown

G120

B221

Red0 (0%)

Green120 (47.1%)

Blue221 (86.7%)

Hue207.42°

Saturation (HSL)100%

Lightness43.33%

Dominant channelBlue

Hex per channelR 00 · G 78 · B DD

Keep nerding

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#0078DD

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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