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Colour

#5599FF

  • #5599FF
  • Blue
  • Dark
  • Nearest: Dodgerblue

#5599FF is a blue with RGB values 85, 153, 255 and HSL 216°, 100%, 67%. It is a dark colour, so black text on it reaches 7.4:1 contrast (AAA for normal text). The nearest named colour is Dodgerblue.

Colour values

#5599FF#5599FF
HEX#5599FF
HEX (short)#59F
RGBrgb(85, 153, 255)
RGB (0–1)0.3333, 0.6, 1
RGB percentages33.3%, 60%, 100%
HSLhsl(216, 100%, 66.7%)
HSV / HSBhsv(216, 66.7%, 100%)
CMYK66.7%, 40%, 0%, 0%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer5,609,983
CSS custom property--colour: #5599FF;

Brightness & contrast

Relative luminance0.31934WCAG 2.x, 0 is black and 1 is white
Perceived brightness152.7 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 7.39:1
Contrast with white2.84:1WCAG normal text: Fail
Contrast with black7.39:1WCAG normal text: AAA
Greyscale equivalent#929292
Inverted#AA6600

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#6AA2FFno red cones; affects about 1% of men; ΔE 6.5 from the original
Deuteranopia#5092FDno green cones; the most common form, about 1% of men; ΔE 4.2 from the original
Tritanopia#00B1C0no blue cones; rare, and affects men and women equally; ΔE 57.3 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text2.84:1WCAG large text: Fail
Contrast with black, large text7.39:1WCAG large text: AAA

Named colours

Dodgerblue · ΔE 7.4Cornflower blue · ΔE 7.9Royal blue · ΔE 23.7Medium purple · ΔE 28.6Steel blue · ΔE 30.7Slate blue · ΔE 31.4
Nearest named CSS colourDodgerblue (#1E90FF)ΔE 7.45, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#FFBB55
Analogous#55EEFF, #6655FF
Triadic#FF5599, #99FF55
Split complementary#FF6655, #EEFF55
Tetradic#FF55EE, #FFBB55, #55FF66

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FFFFFF
Lighter +30%#EEF5FF
Lighter +20%#BBD6FF
Lighter +10%#88B8FF
Darker −10%#227AFF
Darker −20%#005FEE
Darker −30%#004BBB
Darker −40%#003688
More saturated +25%#5599FF
Less saturated −25%#6A9DEA

Channel breakdown

R85
G153
B255
Red85 (33.3%)
Green153 (60%)
Blue255 (100%)
Hue216°
Saturation (HSL)100%
Lightness66.67%
Dominant channelBlue
Hex per channelR 55 · G 99 · B FF

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Every value on this page was computed from “5599ff” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.