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Colour

#559AFF

  • #559AFF
  • Blue
  • Dark
  • Nearest: Cornflower blue

#559AFF is a blue with RGB values 85, 154, 255 and HSL 216°, 100%, 67%. It is a dark colour, so black text on it reaches 7.5:1 contrast (AAA for normal text). The nearest named colour is Cornflower blue.

Colour values

#559AFF#559AFF
HEX#559AFF
RGBrgb(85, 154, 255)
RGB (0–1)0.3333, 0.6039, 1
RGB percentages33.3%, 60.4%, 100%
HSLhsl(215.6, 100%, 66.7%)
HSV / HSBhsv(215.6, 66.7%, 100%)
CMYK66.7%, 39.6%, 0%, 0%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer5,610,239
CSS custom property--colour: #559AFF;

Brightness & contrast

Relative luminance0.32262WCAG 2.x, 0 is black and 1 is white
Perceived brightness153.3 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 7.45:1
Contrast with white2.82:1WCAG normal text: Fail
Contrast with black7.45:1WCAG normal text: AAA
Greyscale equivalent#939393
Inverted#AA6500

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#6CA2FFno red cones; affects about 1% of men; ΔE 6 from the original
Deuteranopia#5293FDno green cones; the most common form, about 1% of men; ΔE 4.3 from the original
Tritanopia#00B1C0no blue cones; rare, and affects men and women equally; ΔE 56.6 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text2.82:1WCAG large text: Fail
Contrast with black, large text7.45:1WCAG large text: AAA

Named colours

Cornflower blue · ΔE 7.5Dodgerblue · ΔE 8Royal blue · ΔE 24.4Medium purple · ΔE 29.1Steel blue · ΔE 30.2Slate blue · ΔE 32
Nearest named CSS colourCornflower blue (#6495ED)ΔE 7.52, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#FFBA55
Analogous#55EFFF, #6555FF
Triadic#FF559A, #9AFF55
Split complementary#FF6555, #EFFF55
Tetradic#FF55EF, #FFBA55, #55FF65

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FFFFFF
Lighter +30%#EEF5FF
Lighter +20%#BBD7FF
Lighter +10%#88B8FF
Darker −10%#227CFF
Darker −20%#0061EE
Darker −30%#004CBB
Darker −40%#003788
More saturated +25%#559AFF
Less saturated −25%#6A9EEA

Channel breakdown

R85
G154
B255
Red85 (33.3%)
Green154 (60.4%)
Blue255 (100%)
Hue215.65°
Saturation (HSL)100%
Lightness66.67%
Dominant channelBlue
Hex per channelR 55 · G 9A · B FF

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Every value on this page was computed from “559aff” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.