Colour

#005BBC

#005BBC
Blue
Dark
Nearest: Royal blue

#005BBC is a blue with RGB values 0, 91, 188 and HSL 211°, 100%, 37%. It is a dark colour, so white text on it reaches 6.5:1 contrast (AA for normal text). The nearest named colour is Royal blue.

Colour values

#005BBC#005BBC

HEX#005BBC

RGBrgb(0, 91, 188)

RGB (0–1)0, 0.3569, 0.7373

RGB percentages0%, 35.7%, 73.7%

HSLhsl(211, 100%, 36.9%)

HSV / HSBhsv(211, 100%, 73.7%)

CMYK100%, 51.6%, 0%, 26.3%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer23,484

CSS custom property--colour: #005BBC;

Brightness & contrast

Relative luminance0.11113WCAG 2.x, 0 is black and 1 is white

Perceived brightness94.3 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 6.52:1

Contrast with white6.52:1WCAG normal text: AA

Contrast with black3.22:1WCAG normal text: Fail

Greyscale equivalent#4F4F4F

Inverted#FFA443

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#1466BFno red cones; affects about 1% of men; ΔE 7.5 from the original

Deuteranopia#0057BAno green cones; the most common form, about 1% of men; ΔE 2.4 from the original

Tritanopia#007383no blue cones; rare, and affects men and women equally; ΔE 55.2 from the original

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

Contrast with white, large text6.52:1WCAG large text: AAA

Contrast with black, large text3.22:1WCAG large text: AA

Named colours

Royal blue · ΔE 15.4 Dark slateblue · ΔE 20.2 Slate blue · ΔE 20.8 Dodgerblue · ΔE 21.5 Cornflower blue · ΔE 24.4 Medium purple · ΔE 26.7

Nearest named CSS colourRoyal blue (#4169E1)ΔE 15.36, a distinctly different colour

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#BC6100

Analogous#00B9BC, #0300BC

Triadic#BC005B, #5BBC00

Split complementary#BC0300, #B9BC00

Tetradic#BC00B9, #BC6100, #00BC03

Tints, shades & saturation

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

Lighter +40%#89C2FF

Lighter +30%#56A8FF

Lighter +20%#238DFF

Lighter +10%#0074EF

Darker −10%#004289

Darker −20%#002A56

Darker −30%#001123

Darker −40%#000000

More saturated +25%#005BBC

Less saturated −25%#185CA5

Channel breakdown

G91

B188

Red0 (0%)

Green91 (35.7%)

Blue188 (73.7%)

Hue210.96°

Saturation (HSL)100%

Lightness36.86%

Dominant channelBlue

Hex per channelR 00 · G 5B · B BC

Keep nerding

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#005BBC

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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