Colour

#576FDC

#576FDC
Blue
Dark
Nearest: Royal blue

#576FDC is a blue with RGB values 87, 111, 220 and HSL 229°, 66%, 60%. It is a dark colour, so black text on it reaches 4.7:1 contrast (AA for normal text). The nearest named colour is Royal blue.

Colour values

#576FDC#576FDC

HEX#576FDC

RGBrgb(87, 111, 220)

RGB (0–1)0.3412, 0.4353, 0.8627

RGB percentages34.1%, 43.5%, 86.3%

HSLhsl(229.2, 65.5%, 60.2%)

HSV / HSBhsv(229.2, 60.5%, 86.3%)

CMYK60.5%, 49.5%, 0%, 13.7%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer5,730,268

CSS custom property--colour: #576FDC;

Brightness & contrast

Relative luminance0.18562WCAG 2.x, 0 is black and 1 is white

Perceived brightness122.5 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundBlackcontrast 4.71:1

Contrast with white4.46:1WCAG normal text: Fail

Contrast with black4.71:1WCAG normal text: AA

Greyscale equivalent#727272

Inverted#A89023

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#357EE0no red cones; affects about 1% of men; ΔE 13.4 from the original

Deuteranopia#1772DAno green cones; the most common form, about 1% of men; ΔE 10.5 from the original

Tritanopia#00889Bno blue cones; rare, and affects men and women equally; ΔE 62.3 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text4.46:1WCAG large text: AA

Contrast with black, large text4.71:1WCAG large text: AAA

Named colours

Royal blue · ΔE 7.3 Slate blue · ΔE 12.8 Medium purple · ΔE 15.9 Dodgerblue · ΔE 17.6 Medium slateblue · ΔE 18.3 Cornflower blue · ΔE 21.1

Nearest named CSS colourRoyal blue (#4169E1)ΔE 7.35, clearly different but related

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

base +30°+90°+120°+180°+210°+240°+270°+330°

Complementary#DCC457

Analogous#57B2DC, #8157DC

Triadic#DC576F, #6FDC57

Split complementary#DC8257, #B2DC57

Tetradic#DC57B2, #DCC457, #57DC81

Tints, shades & saturation

+40%+30%+20%+10%base -10%-20%-30%-40%

Lighter +40%#FFFFFF

Lighter +30%#D6DCF6

Lighter +20%#ABB7EE

Lighter +10%#8193E5

Darker −10%#2D4BD3

Darker −20%#233CAA

Darker −30%#1B2D7F

Darker −40%#121E55

More saturated +25%#3E5FF5

Less saturated −25%#707FC3

Channel breakdown

R87

G111

B220

Red87 (34.1%)

Green111 (43.5%)

Blue220 (86.3%)

Hue229.17°

Saturation (HSL)65.52%

Lightness60.2%

Dominant channelBlue

Hex per channelR 57 · G 6F · B DC

Keep nerding

Every link below is a page Nerdulator can generate from what it already knows about this value.

#576FDC

Colour values

Brightness & contrast

Colour vision & accessibility

Named colours

Colour harmonies

Tints, shades & saturation

Channel breakdown

Keep nerding

Harmonies

Lighter and darker

Similar named colours

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