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Recognised as Colour

#5577FE

  • #5577FE
  • Blue
  • Dark
  • Nearest: Royal blue

#5577FE is a blue with RGB values 85, 119, 254 and HSL 228°, 99%, 66%. It is a dark colour, so black text on it reaches 5.5:1 contrast (AA for normal text). The nearest named colour is Royal blue.

Colour values

#5577FE#5577FE
HEX#5577FE
RGBrgb(85, 119, 254)
RGB (0–1)0.3333, 0.4667, 0.9961
RGB percentages33.3%, 46.7%, 99.6%
HSLhsl(227.9, 98.8%, 66.5%)
HSV / HSBhsv(227.9, 66.5%, 99.6%)
CMYK66.5%, 53.1%, 0%, 0.4%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer5,601,278
CSS custom property--colour: #5577FE;

Brightness & contrast

Relative luminance0.22281WCAG 2.x, 0 is black and 1 is white
Perceived brightness133.5 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 5.46:1
Contrast with white3.85:1WCAG normal text: Fail
Contrast with black5.46:1WCAG normal text: AA
Greyscale equivalent#7A7A7A
Inverted#AA8801

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#0F8AFFno red cones; affects about 1% of men; ΔE 18.4 from the original
Deuteranopia#007BFBno green cones; the most common form, about 1% of men; ΔE 10.2 from the original
Tritanopia#0097AFno blue cones; rare, and affects men and women equally; ΔE 73.7 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text3.85:1WCAG large text: AA
Contrast with black, large text5.46:1WCAG large text: AAA

Named colours

Royal blue · ΔE 9.6Medium slateblue · ΔE 12.1Slate blue · ΔE 16.9Medium purple · ΔE 21.8Dodgerblue · ΔE 22.4Cornflower blue · ΔE 31.2
Nearest named CSS colourRoyal blue (#4169E1)ΔE 9.58, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#FEDC55
Analogous#55CBFE, #8855FE
Triadic#FE5577, #77FE55
Split complementary#FE8755, #CCFE55
Tetradic#FE55CB, #FEDC55, #55FE87

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FFFFFF
Lighter +30%#EDF1FF
Lighter +20%#BAC8FF
Lighter +10%#88A0FE
Darker −10%#224EFE
Darker −20%#0131EC
Darker −30%#0126B9
Darker −40%#011C86
More saturated +25%#5476FF
Less saturated −25%#6A84E9

Channel breakdown

R85
G119
B254
Red85 (33.3%)
Green119 (46.7%)
Blue254 (99.6%)
Hue227.93°
Saturation (HSL)98.83%
Lightness66.47%
Dominant channelBlue
Hex per channelR 55 · G 77 · B FE

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Every value on this page was computed from “5577fe” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.