Colour

#0045BC

#0045BC
Blue
Dark
Nearest: Royal blue

#0045BC is a blue with RGB values 0, 69, 188 and HSL 218°, 100%, 37%. It is a dark colour, so white text on it reaches 8.1:1 contrast (AAA for normal text). The nearest named colour is Royal blue.

Colour values

#0045BC#0045BC

HEX#0045BC

RGBrgb(0, 69, 188)

RGB (0–1)0, 0.2706, 0.7373

RGB percentages0%, 27.1%, 73.7%

HSLhsl(218, 100%, 36.9%)

HSV / HSBhsv(218, 100%, 73.7%)

CMYK100%, 63.3%, 0%, 26.3%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer17,852

CSS custom property--colour: #0045BC;

Brightness & contrast

Relative luminance0.07887WCAG 2.x, 0 is black and 1 is white

Perceived brightness82.6 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 8.15:1

Contrast with white8.15:1WCAG normal text: AAA

Contrast with black2.58:1WCAG normal text: Fail

Greyscale equivalent#3F3F3F

Inverted#FFBA43

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#0058C0no red cones; affects about 1% of men; ΔE 14 from the original

Deuteranopia#0047BAno green cones; the most common form, about 1% of men; ΔE 2.8 from the original

Tritanopia#00657Ano blue cones; rare, and affects men and women equally; ΔE 67.9 from the original

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

Contrast with white, large text8.15:1WCAG large text: AAA

Contrast with black, large text2.58:1WCAG large text: Fail

Named colours

Royal blue · ΔE 14.9 Slate blue · ΔE 15.7 Medium slateblue · ΔE 21.2 Rebecca purple · ΔE 23.3 Midnight blue · ΔE 25 Dark slateblue · ΔE 25.5

Nearest named CSS colourRoyal blue (#4169E1)ΔE 14.88, a distinctly different colour

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#BC7700

Analogous#00A3BC, #1900BC

Triadic#BC0045, #45BC00

Split complementary#BC1900, #A3BC00

Tetradic#BC00A3, #BC7700, #00BC19

Tints, shades & saturation

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

Lighter +40%#89B4FF

Lighter +30%#5694FF

Lighter +20%#2374FF

Lighter +10%#0058EF

Darker −10%#003289

Darker −20%#002056

Darker −30%#000D23

Darker −40%#000000

More saturated +25%#0045BC

Less saturated −25%#184BA5

Channel breakdown

G69

B188

Red0 (0%)

Green69 (27.1%)

Blue188 (73.7%)

Hue217.98°

Saturation (HSL)100%

Lightness36.86%

Dominant channelBlue

Hex per channelR 00 · G 45 · B BC

Keep nerding

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

#0045BC

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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