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Recognised as Colour

#519BDE

  • #519BDE
  • Blue
  • Dark
  • Nearest: Steel blue

#519BDE is a blue with RGB values 81, 155, 222 and HSL 209°, 68%, 59%. It is a dark colour, so black text on it reaches 7.1:1 contrast (AAA for normal text). The nearest named colour is Steel blue.

Colour values

#519BDE#519BDE
HEX#519BDE
RGBrgb(81, 155, 222)
RGB (0–1)0.3176, 0.6078, 0.8706
RGB percentages31.8%, 60.8%, 87.1%
HSLhsl(208.5, 68.1%, 59.4%)
HSV / HSBhsv(208.5, 63.5%, 87.1%)
CMYK63.5%, 30.2%, 0%, 12.9%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer5,348,318
CSS custom property--colour: #519BDE;

Brightness & contrast

Relative luminance0.30466WCAG 2.x, 0 is black and 1 is white
Perceived brightness147.3 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 7.09:1
Contrast with white2.96:1WCAG normal text: Fail
Contrast with black7.09:1WCAG normal text: AAA
Greyscale equivalent#909090
Inverted#AE6421

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#7E9EE1no red cones; affects about 1% of men; ΔE 10 from the original
Deuteranopia#6B90DDno green cones; the most common form, about 1% of men; ΔE 11.7 from the original
Tritanopia#00ABB3no blue cones; rare, and affects men and women equally; ΔE 40.4 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text2.96:1WCAG large text: Fail
Contrast with black, large text7.09:1WCAG large text: AAA

Named colours

Steel blue · ΔE 13Cornflower blue · ΔE 14.6Deep skyblue · ΔE 18.5Light skyblue · ΔE 23.1Dodgerblue · ΔE 25.9Sky blue · ΔE 28.8
Nearest named CSS colourSteel blue (#4682B4)ΔE 13.01, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#DE9451
Analogous#51DEDB, #5155DE
Triadic#DE519B, #9BDE51
Split complementary#DE5155, #DEDB51
Tetradic#DA51DE, #DE9451, #55DE51

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FCFEFF
Lighter +30%#D2E5F6
Lighter +20%#A7CCEE
Lighter +10%#7CB4E6
Darker −10%#2882D4
Darker −20%#2068A9
Darker −30%#184E7E
Darker −40%#103353
More saturated +25%#379CF8
Less saturated −25%#6B9AC4

Channel breakdown

R81
G155
B222
Red81 (31.8%)
Green155 (60.8%)
Blue222 (87.1%)
Hue208.51°
Saturation (HSL)68.12%
Lightness59.41%
Dominant channelBlue
Hex per channelR 51 · G 9B · B DE

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Every value on this page was computed from “519bde” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.