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Colour

#5597FF

  • #5597FF
  • Blue
  • Dark
  • Nearest: Dodgerblue

#5597FF is a blue with RGB values 85, 151, 255 and HSL 217°, 100%, 67%. It is a dark colour, so black text on it reaches 7.3:1 contrast (AAA for normal text). The nearest named colour is Dodgerblue.

Colour values

#5597FF#5597FF
HEX#5597FF
RGBrgb(85, 151, 255)
RGB (0–1)0.3333, 0.5922, 1
RGB percentages33.3%, 59.2%, 100%
HSLhsl(216.7, 100%, 66.7%)
HSV / HSBhsv(216.7, 66.7%, 100%)
CMYK66.7%, 40.8%, 0%, 0%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer5,609,471
CSS custom property--colour: #5597FF;

Brightness & contrast

Relative luminance0.31285WCAG 2.x, 0 is black and 1 is white
Perceived brightness151.5 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 7.26:1
Contrast with white2.89:1WCAG normal text: Fail
Contrast with black7.26:1WCAG normal text: AAA
Greyscale equivalent#909090
Inverted#AA6800

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#67A0FFno red cones; affects about 1% of men; ΔE 6.4 from the original
Deuteranopia#4C90FDno green cones; the most common form, about 1% of men; ΔE 4.2 from the original
Tritanopia#00AFBFno blue cones; rare, and affects men and women equally; ΔE 58 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text2.89:1WCAG large text: Fail
Contrast with black, large text7.26:1WCAG large text: AAA

Named colours

Dodgerblue · ΔE 6.6Cornflower blue · ΔE 8.9Royal blue · ΔE 22.2Medium purple · ΔE 27.6Slate blue · ΔE 30.1Steel blue · ΔE 31.8
Nearest named CSS colourDodgerblue (#1E90FF)ΔE 6.6, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#FFBD55
Analogous#55ECFF, #6855FF
Triadic#FF5597, #97FF55
Split complementary#FF6855, #ECFF55
Tetradic#FF55EC, #FFBD55, #55FF68

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FFFFFF
Lighter +30%#EEF5FF
Lighter +20%#BBD5FF
Lighter +10%#88B6FF
Darker −10%#2278FF
Darker −20%#005CEE
Darker −30%#0049BB
Darker −40%#003588
More saturated +25%#5597FF
Less saturated −25%#6A9CEA

Channel breakdown

R85
G151
B255
Red85 (33.3%)
Green151 (59.2%)
Blue255 (100%)
Hue216.71°
Saturation (HSL)100%
Lightness66.67%
Dominant channelBlue
Hex per channelR 55 · G 97 · B FF

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Every value on this page was computed from “5597ff” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.