Colour

#516DB2

#516DB2
Blue
Dark
Nearest: Steel blue

#516DB2 is a blue with RGB values 81, 109, 178 and HSL 223°, 39%, 51%. It is a dark colour, so white text on it reaches 5:1 contrast (AA for normal text). The nearest named colour is Steel blue.

Colour values

#516DB2#516DB2

HEX#516DB2

RGBrgb(81, 109, 178)

RGB (0–1)0.3176, 0.4275, 0.698

RGB percentages31.8%, 42.7%, 69.8%

HSLhsl(222.7, 38.6%, 50.8%)

HSV / HSBhsv(222.7, 54.5%, 69.8%)

CMYK54.5%, 38.8%, 0%, 30.2%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer5,336,498

CSS custom property--colour: #516DB2;

Brightness & contrast

Relative luminance0.15901WCAG 2.x, 0 is black and 1 is white

Perceived brightness112 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 5.02:1

Contrast with white5.02:1WCAG normal text: AA

Contrast with black4.18:1WCAG normal text: Fail

Greyscale equivalent#6C6C6C

Inverted#AE924D

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#5174B5no red cones; affects about 1% of men; ΔE 4.3 from the original

Deuteranopia#456BB1no green cones; the most common form, about 1% of men; ΔE 2.5 from the original

Tritanopia#1D7C87no blue cones; rare, and affects men and women equally; ΔE 41.8 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text5.02:1WCAG large text: AAA

Contrast with black, large text4.18:1WCAG large text: AA

Named colours

Steel blue · ΔE 17.2 Cornflower blue · ΔE 17.8 Dark slateblue · ΔE 22.6 Dodgerblue · ΔE 26.7 Medium purple · ΔE 29.6 Royal blue · ΔE 30.1

Nearest named CSS colourSteel blue (#4682B4)ΔE 17.19, a distinctly different colour

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#B29651

Analogous#519DB2, #6651B2

Triadic#B2516D, #6DB251

Split complementary#B26651, #9DB251

Tetradic#B2519D, #B29651, #51B266

Tints, shades & saturation

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

Lighter +40%#DEE4F1

Lighter +30%#BBC6E1

Lighter +20%#98A8D1

Lighter +10%#748BC2

Darker −10%#405790

Darker −20%#30426D

Darker −30%#212C49

Darker −40%#111726

More saturated +25%#3260D1

Less saturated −25%#707A93

Channel breakdown

R81

G109

B178

Red81 (31.8%)

Green109 (42.7%)

Blue178 (69.8%)

Hue222.68°

Saturation (HSL)38.65%

Lightness50.78%

Dominant channelBlue

Hex per channelR 51 · G 6D · B B2

Keep nerding

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

#516DB2

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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