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Colour

#5579FF

  • #5579FF
  • Blue
  • Dark
  • Nearest: Royal blue

#5579FF is a blue with RGB values 85, 121, 255 and HSL 227°, 100%, 67%. It is a dark colour, so black text on it reaches 5.6:1 contrast (AA for normal text). The nearest named colour is Royal blue.

Colour values

#5579FF#5579FF
HEX#5579FF
RGBrgb(85, 121, 255)
RGB (0–1)0.3333, 0.4745, 1
RGB percentages33.3%, 47.5%, 100%
HSLhsl(227.3, 100%, 66.7%)
HSV / HSBhsv(227.3, 66.7%, 100%)
CMYK66.7%, 52.5%, 0%, 0%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer5,601,791
CSS custom property--colour: #5579FF;

Brightness & contrast

Relative luminance0.22826WCAG 2.x, 0 is black and 1 is white
Perceived brightness134.8 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 5.57:1
Contrast with white3.77:1WCAG normal text: Fail
Contrast with black5.57:1WCAG normal text: AA
Greyscale equivalent#7B7B7B
Inverted#AA8600

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#1A8BFFno red cones; affects about 1% of men; ΔE 17.8 from the original
Deuteranopia#007CFCno green cones; the most common form, about 1% of men; ΔE 9.6 from the original
Tritanopia#0099B0no blue cones; rare, and affects men and women equally; ΔE 73.6 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text3.77:1WCAG large text: AA
Contrast with black, large text5.57:1WCAG large text: AAA

Named colours

Royal blue · ΔE 9.4Medium slateblue · ΔE 12.9Slate blue · ΔE 17.2Dodgerblue · ΔE 21.4Medium purple · ΔE 21.7Cornflower blue · ΔE 30.2
Nearest named CSS colourRoyal blue (#4169E1)ΔE 9.42, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#FFDB55
Analogous#55CEFF, #8655FF
Triadic#FF5579, #79FF55
Split complementary#FF8655, #CEFF55
Tetradic#FF55CE, #FFDB55, #55FF86

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FFFFFF
Lighter +30%#EEF2FF
Lighter +20%#BBC9FF
Lighter +10%#88A1FF
Darker −10%#2251FF
Darker −20%#0032EE
Darker −30%#0028BB
Darker −40%#001D88
More saturated +25%#5579FF
Less saturated −25%#6A85EA

Channel breakdown

R85
G121
B255
Red85 (33.3%)
Green121 (47.5%)
Blue255 (100%)
Hue227.29°
Saturation (HSL)100%
Lightness66.67%
Dominant channelBlue
Hex per channelR 55 · G 79 · B FF

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Every value on this page was computed from “5579ff” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.