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Colour

#506BB8

  • #506BB8
  • Blue
  • Dark
  • Nearest: Cornflower blue

#506BB8 is a blue with RGB values 80, 107, 184 and HSL 224°, 42%, 52%. It is a dark colour, so white text on it reaches 5.1:1 contrast (AA for normal text). The nearest named colour is Cornflower blue.

Colour values

#506BB8#506BB8
HEX#506BB8
RGBrgb(80, 107, 184)
RGB (0–1)0.3137, 0.4196, 0.7216
RGB percentages31.4%, 42%, 72.2%
HSLhsl(224.4, 42.3%, 51.8%)
HSV / HSBhsv(224.4, 56.5%, 72.2%)
CMYK56.5%, 41.8%, 0%, 27.8%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer5,270,456
CSS custom property--colour: #506BB8;

Brightness & contrast

Relative luminance0.15682WCAG 2.x, 0 is black and 1 is white
Perceived brightness111.8 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 5.08:1
Contrast with white5.08:1WCAG normal text: AA
Contrast with black4.14:1WCAG normal text: Fail
Greyscale equivalent#6B6B6B
Inverted#AF9447

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#4A73BBno red cones; affects about 1% of men; ΔE 5.8 from the original
Deuteranopia#3D6AB6no green cones; the most common form, about 1% of men; ΔE 4.1 from the original
Tritanopia#0C7C88no blue cones; rare, and affects men and women equally; ΔE 47 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text5.08:1WCAG large text: AAA
Contrast with black, large text4.14:1WCAG large text: AA

Named colours

Cornflower blue · ΔE 16.8Dark slateblue · ΔE 20.3Steel blue · ΔE 21.7Dodgerblue · ΔE 23.7Royal blue · ΔE 25.1Medium purple · ΔE 25.8
Nearest named CSS colourCornflower blue (#6495ED)ΔE 16.8, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#B89D50
Analogous#509FB8, #6950B8
Triadic#B8506B, #6BB850
Split complementary#B86950, #9FB850
Tetradic#B8509F, #B89D50, #50B869

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#E1E6F3
Lighter +30%#BDC7E4
Lighter +20%#99A8D5
Lighter +10%#748AC7
Darker −10%#3D5598
Darker −20%#2F4173
Darker −30%#202C4F
Darker −40%#11182B
More saturated +25%#315CD7
Less saturated −25%#6F7A99

Channel breakdown

R80
G107
B184
Red80 (31.4%)
Green107 (42%)
Blue184 (72.2%)
Hue224.42°
Saturation (HSL)42.28%
Lightness51.76%
Dominant channelBlue
Hex per channelR 50 · G 6B · B B8

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Every value on this page was computed from “506bb8” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.