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Colour

#506EB3

  • #506EB3
  • Blue
  • Dark
  • Nearest: Steel blue

#506EB3 is a blue with RGB values 80, 110, 179 and HSL 222°, 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

#506EB3#506EB3
HEX#506EB3
RGBrgb(80, 110, 179)
RGB (0–1)0.3137, 0.4314, 0.702
RGB percentages31.4%, 43.1%, 70.2%
HSLhsl(221.8, 39.4%, 50.8%)
HSV / HSBhsv(221.8, 55.3%, 70.2%)
CMYK55.3%, 38.5%, 0%, 29.8%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer5,271,219
CSS custom property--colour: #506EB3;

Brightness & contrast

Relative luminance0.16112WCAG 2.x, 0 is black and 1 is white
Perceived brightness112.6 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 4.97:1
Contrast with white4.97:1WCAG normal text: AA
Contrast with black4.22:1WCAG normal text: Fail
Greyscale equivalent#6D6D6D
Inverted#AF914C

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#5275B6no red cones; affects about 1% of men; ΔE 4.1 from the original
Deuteranopia#466CB2no green cones; the most common form, about 1% of men; ΔE 2.1 from the original
Tritanopia#167D88no blue cones; rare, and affects men and women equally; ΔE 42.1 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text4.97:1WCAG large text: AAA
Contrast with black, large text4.22:1WCAG large text: AA

Named colours

Steel blue · ΔE 16.7Cornflower blue · ΔE 17.5Dark slateblue · ΔE 23.1Dodgerblue · ΔE 26.4Medium purple · ΔE 29.9Royal blue · ΔE 30.2
Nearest named CSS colourSteel blue (#4682B4)ΔE 16.75, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#B39550
Analogous#50A0B3, #6350B3
Triadic#B3506E, #6EB350
Split complementary#B36350, #A0B350
Tetradic#B350A0, #B39550, #50B363

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#DEE4F1
Lighter +30%#BBC6E1
Lighter +20%#97A9D2
Lighter +10%#748BC2
Darker −10%#3F5891
Darker −20%#30426D
Darker −30%#202D4A
Darker −40%#111726
More saturated +25%#3162D2
Less saturated −25%#6F7A94

Channel breakdown

R80
G110
B179
Red80 (31.4%)
Green110 (43.1%)
Blue179 (70.2%)
Hue221.82°
Saturation (HSL)39.44%
Lightness50.78%
Dominant channelBlue
Hex per channelR 50 · G 6E · B B3

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Every value on this page was computed from “506eb3” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.