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Recognised as Colour

#518BE8

  • #518BE8
  • Blue
  • Dark
  • Nearest: Cornflower blue

#518BE8 is a blue with RGB values 81, 139, 232 and HSL 217°, 77%, 61%. It is a dark colour, so black text on it reaches 6.2:1 contrast (AA for normal text). The nearest named colour is Cornflower blue.

Colour values

#518BE8#518BE8
HEX#518BE8
RGBrgb(81, 139, 232)
RGB (0–1)0.3176, 0.5451, 0.9098
RGB percentages31.8%, 54.5%, 91%
HSLhsl(217, 76.6%, 61.4%)
HSV / HSBhsv(217, 65.1%, 91%)
CMYK65.1%, 40.1%, 0%, 9%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer5,344,232
CSS custom property--colour: #518BE8;

Brightness & contrast

Relative luminance0.26041WCAG 2.x, 0 is black and 1 is white
Perceived brightness139.4 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 6.21:1
Contrast with white3.38:1WCAG normal text: Fail
Contrast with black6.21:1WCAG normal text: AA
Greyscale equivalent#858585
Inverted#AE7417

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#6193ECno red cones; affects about 1% of men; ΔE 4.2 from the original
Deuteranopia#4A85E6no green cones; the most common form, about 1% of men; ΔE 3.5 from the original
Tritanopia#00A0AEno blue cones; rare, and affects men and women equally; ΔE 53.2 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text3.38:1WCAG large text: AA
Contrast with black, large text6.21:1WCAG large text: AAA

Named colours

Cornflower blue · ΔE 5.2Dodgerblue · ΔE 10.8Royal blue · ΔE 22.9Steel blue · ΔE 25.6Medium purple · ΔE 26.9Slate blue · ΔE 29.3
Nearest named CSS colourCornflower blue (#6495ED)ΔE 5.2, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#E8AE51
Analogous#51D7E8, #6251E8
Triadic#E8518B, #8BE851
Split complementary#E86351, #D6E851
Tetradic#E851D7, #E8AE51, #51E863

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FFFFFF
Lighter +30%#D8E5FA
Lighter +20%#ABC7F4
Lighter +10%#7EA9EE
Darker −10%#246DE2
Darker −20%#1957BA
Darker −30%#13428D
Darker −40%#0D2D60
More saturated +25%#3A86FF
Less saturated −25%#6A91CF

Channel breakdown

R81
G139
B232
Red81 (31.8%)
Green139 (54.5%)
Blue232 (91%)
Hue216.95°
Saturation (HSL)76.65%
Lightness61.37%
Dominant channelBlue
Hex per channelR 51 · G 8B · B E8

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Every value on this page was computed from “518be8” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.