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Recognised as Colour

#516BE0

  • #516BE0
  • Blue
  • Dark
  • Nearest: Royal blue

#516BE0 is a blue with RGB values 81, 107, 224 and HSL 229°, 70%, 60%. It is a dark colour, so white text on it reaches 4.6:1 contrast (AA for normal text). The nearest named colour is Royal blue.

Colour values

#516BE0#516BE0
HEX#516BE0
RGBrgb(81, 107, 224)
RGB (0–1)0.3176, 0.4196, 0.8784
RGB percentages31.8%, 42%, 87.8%
HSLhsl(229.1, 69.8%, 59.8%)
HSV / HSBhsv(229.1, 63.8%, 87.8%)
CMYK63.8%, 52.2%, 0%, 12.2%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer5,336,032
CSS custom property--colour: #516BE0;

Brightness & contrast

Relative luminance0.17647WCAG 2.x, 0 is black and 1 is white
Perceived brightness120 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 4.64:1
Contrast with white4.64:1WCAG normal text: AA
Contrast with black4.53:1WCAG normal text: AA
Greyscale equivalent#6E6E6E
Inverted#AE941F

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#207BE4no red cones; affects about 1% of men; ΔE 14.7 from the original
Deuteranopia#006EDEno green cones; the most common form, about 1% of men; ΔE 10 from the original
Tritanopia#00879Bno blue cones; rare, and affects men and women equally; ΔE 66.4 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text4.64:1WCAG large text: AAA
Contrast with black, large text4.53:1WCAG large text: AAA

Named colours

Royal blue · ΔE 3Slate blue · ΔE 10.9Medium slateblue · ΔE 14.6Medium purple · ΔE 17Dodgerblue · ΔE 20Cornflower blue · ΔE 25.6
Nearest named CSS colourRoyal blue (#4169E1)ΔE 2.97, a close match
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#E0C651
Analogous#51B2E0, #7F51E0
Triadic#E0516B, #6BE051
Split complementary#E07F51, #B2E051
Tetradic#E051B3, #E0C651, #51E07F

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FEFEFF
Lighter +30%#D3D9F7
Lighter +20%#A8B5EF
Lighter +10%#7C90E8
Darker −10%#2647D8
Darker −20%#1F38AC
Darker −30%#172A81
Darker −40%#0F1C56
More saturated +25%#375BFA
Less saturated −25%#6B7BC6

Channel breakdown

R81
G107
B224
Red81 (31.8%)
Green107 (42%)
Blue224 (87.8%)
Hue229.09°
Saturation (HSL)69.76%
Lightness59.8%
Dominant channelBlue
Hex per channelR 51 · G 6B · B E0

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Every value on this page was computed from “516be0” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.