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Colour

#516EA3

  • #516EA3
  • Blue
  • Dark
  • Nearest: Steel blue

#516EA3 is a blue with RGB values 81, 110, 163 and HSL 219°, 34%, 48%. It is a dark colour, so white text on it reaches 5.1:1 contrast (AA for normal text). The nearest named colour is Steel blue.

Colour values

#516EA3#516EA3
HEX#516EA3
RGBrgb(81, 110, 163)
RGB (0–1)0.3176, 0.4314, 0.6392
RGB percentages31.8%, 43.1%, 63.9%
HSLhsl(218.8, 33.6%, 47.8%)
HSV / HSBhsv(218.8, 50.3%, 63.9%)
CMYK50.3%, 32.5%, 0%, 36.1%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer5,336,739
CSS custom property--colour: #516EA3;

Brightness & contrast

Relative luminance0.15546WCAG 2.x, 0 is black and 1 is white
Perceived brightness110 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 5.11:1
Contrast with white5.11:1WCAG normal text: AA
Contrast with black4.11:1WCAG normal text: Fail
Greyscale equivalent#6C6C6C
Inverted#AE915C

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#5A72A5no red cones; affects about 1% of men; ΔE 2.5 from the original
Deuteranopia#506AA2no green cones; the most common form, about 1% of men; ΔE 2.7 from the original
Tritanopia#2D7981no blue cones; rare, and affects men and women equally; ΔE 32.5 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text5.11:1WCAG large text: AAA
Contrast with black, large text4.11:1WCAG large text: AA

Named colours

Steel blue · ΔE 10.8Slate grey · ΔE 23.3Cornflower blue · ΔE 23.8Light slate grey · ΔE 23.9Dark slateblue · ΔE 28.3Dim grey · ΔE 32.2
Nearest named CSS colourSteel blue (#4682B4)ΔE 10.76, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#A38651
Analogous#5197A3, #5D51A3
Triadic#A3516E, #6EA351
Split complementary#A35D51, #97A351
Tetradic#A35197, #A38651, #51A35D

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#D6DDEA
Lighter +30%#B4C1D9
Lighter +20%#91A5C9
Lighter +10%#6F89B8
Darker −10%#405781
Darker −20%#2F405F
Darker −30%#1E293D
Darker −40%#0D121B
More saturated +25%#3365C1
Less saturated −25%#6F7784

Channel breakdown

R81
G110
B163
Red81 (31.8%)
Green110 (43.1%)
Blue163 (63.9%)
Hue218.78°
Saturation (HSL)33.61%
Lightness47.84%
Dominant channelBlue
Hex per channelR 51 · G 6E · B A3

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Every value on this page was computed from “516ea3” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.