Colour

#0033C9

#0033C9
Blue
Dark
Nearest: Dark blue

#0033C9 is a blue with RGB values 0, 51, 201 and HSL 225°, 100%, 39%. It is a dark colour, so white text on it reaches 9.1:1 contrast (AAA for normal text). The nearest named colour is Dark blue.

Colour values

#0033C9#0033C9

HEX#0033C9

RGBrgb(0, 51, 201)

RGB (0–1)0, 0.2, 0.7882

RGB percentages0%, 20%, 78.8%

HSLhsl(224.8, 100%, 39.4%)

HSV / HSBhsv(224.8, 100%, 78.8%)

CMYK100%, 74.6%, 0%, 21.2%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer13,257

CSS custom property--colour: #0033C9;

Brightness & contrast

Relative luminance0.06585WCAG 2.x, 0 is black and 1 is white

Perceived brightness78.3 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 9.06:1

Contrast with white9.06:1WCAG normal text: AAA

Contrast with black2.32:1WCAG normal text: Fail

Greyscale equivalent#333333

Inverted#FFCC36

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#0052CDno red cones; affects about 1% of men; ΔE 22.4 from the original

Deuteranopia#003FC6no green cones; the most common form, about 1% of men; ΔE 10.5 from the original

Tritanopia#00607Cno blue cones; rare, and affects men and women equally; ΔE 83.1 from the original

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

Contrast with white, large text9.06:1WCAG large text: AAA

Contrast with black, large text2.32:1WCAG large text: Fail

Named colours

Dark blue · ΔE 19.6 Navy · ΔE 23.1 Medium blue · ΔE 24.3 Blue violet · ΔE 25.9 Medium slateblue · ΔE 26.2 Slate blue · ΔE 28.2

Nearest named CSS colourDark blue (#00008B)ΔE 19.62, a distinctly different colour

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#C99600

Analogous#0098C9, #3100C9

Triadic#C90033, #33C900

Split complementary#C93100, #98C900

Tetradic#C90098, #C99600, #00C931

Tints, shades & saturation

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

Lighter +40%#96B1FF

Lighter +30%#638BFF

Lighter +20%#3065FF

Lighter +10%#0040FC

Darker −10%#002696

Darker −20%#001963

Darker −30%#000C30

Darker −40%#000000

More saturated +25%#0033C9

Less saturated −25%#193FB0

Channel breakdown

G51

B201

Red0 (0%)

Green51 (20%)

Blue201 (78.8%)

Hue224.78°

Saturation (HSL)100%

Lightness39.41%

Dominant channelBlue

Hex per channelR 00 · G 33 · B C9

Keep nerding

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

#0033C9

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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