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Recognised as Colour

#5572DD

  • #5572DD
  • Blue
  • Dark
  • Nearest: Royal blue

#5572DD is a blue with RGB values 85, 114, 221 and HSL 227°, 67%, 60%. It is a dark colour, so black text on it reaches 4.8:1 contrast (AA for normal text). The nearest named colour is Royal blue.

Colour values

#5572DD#5572DD
HEX#5572DD
RGBrgb(85, 114, 221)
RGB (0–1)0.3333, 0.4471, 0.8667
RGB percentages33.3%, 44.7%, 86.7%
HSLhsl(227.2, 66.7%, 60%)
HSV / HSBhsv(227.2, 61.5%, 86.7%)
CMYK61.5%, 48.4%, 0%, 13.3%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer5,599,965
CSS custom property--colour: #5572DD;

Brightness & contrast

Relative luminance0.19186WCAG 2.x, 0 is black and 1 is white
Perceived brightness123.9 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 4.84:1
Contrast with white4.34:1WCAG normal text: Fail
Contrast with black4.84:1WCAG normal text: AA
Greyscale equivalent#747474
Inverted#AA8D22

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#3A80E1no red cones; affects about 1% of men; ΔE 11.9 from the original
Deuteranopia#1F73DBno green cones; the most common form, about 1% of men; ΔE 8.5 from the original
Tritanopia#008B9Dno blue cones; rare, and affects men and women equally; ΔE 61.4 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text4.34:1WCAG large text: AA
Contrast with black, large text4.84:1WCAG large text: AAA

Named colours

Royal blue · ΔE 8.8Slate blue · ΔE 14.8Dodgerblue · ΔE 16Medium purple · ΔE 17Cornflower blue · ΔE 19.1Medium slateblue · ΔE 20.2
Nearest named CSS colourRoyal blue (#4169E1)ΔE 8.81, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#DDC055
Analogous#55B6DD, #7C55DD
Triadic#DD5572, #72DD55
Split complementary#DD7C55, #B6DD55
Tetradic#DD55B6, #DDC055, #55DD7C

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FFFFFF
Lighter +30%#D5DCF7
Lighter +20%#AAB8EE
Lighter +10%#7F95E5
Darker −10%#2A4FD5
Darker −20%#223FAA
Darker −30%#192F80
Darker −40%#111F55
More saturated +25%#3B63F7
Less saturated −25%#6E81C3

Channel breakdown

R85
G114
B221
Red85 (33.3%)
Green114 (44.7%)
Blue221 (86.7%)
Hue227.21°
Saturation (HSL)66.67%
Lightness60%
Dominant channelBlue
Hex per channelR 55 · G 72 · B DD

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Every value on this page was computed from “5572dd” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.