Colour

#576BC8

#576BC8
Blue
Dark
Nearest: Royal blue

#576BC8 is a blue with RGB values 87, 107, 200 and HSL 229°, 51%, 56%. It is a dark colour, so white text on it reaches 4.8:1 contrast (AA for normal text). The nearest named colour is Royal blue.

Colour values

#576BC8#576BC8

HEX#576BC8

RGBrgb(87, 107, 200)

RGB (0–1)0.3412, 0.4196, 0.7843

RGB percentages34.1%, 42%, 78.4%

HSLhsl(229.4, 50.7%, 56.3%)

HSV / HSBhsv(229.4, 56.5%, 78.4%)

CMYK56.5%, 46.5%, 0%, 21.6%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer5,729,224

CSS custom property--colour: #576BC8;

Brightness & contrast

Relative luminance0.16712WCAG 2.x, 0 is black and 1 is white

Perceived brightness116.4 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 4.84:1

Contrast with white4.84:1WCAG normal text: AA

Contrast with black4.34:1WCAG normal text: Fail

Greyscale equivalent#6D6D6D

Inverted#A89437

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#4077CBno red cones; affects about 1% of men; ΔE 11 from the original

Deuteranopia#306DC6no green cones; the most common form, about 1% of men; ΔE 8.6 from the original

Tritanopia#108090no blue cones; rare, and affects men and women equally; ΔE 54.6 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text4.84:1WCAG large text: AAA

Contrast with black, large text4.34:1WCAG large text: AA

Named colours

Royal blue · ΔE 15.7 Slate blue · ΔE 17.6 Cornflower blue · ΔE 17.7 Medium purple · ΔE 18.2 Dodgerblue · ΔE 19.8 Dark slateblue · ΔE 20.1

Nearest named CSS colourRoyal blue (#4169E1)ΔE 15.68, a distinctly different colour

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#C8B457

Analogous#57A4C8, #7B57C8

Triadic#C8576B, #6BC857

Split complementary#C87B57, #A4C857

Tetradic#C857A4, #C8B457, #57C87B

Tints, shades & saturation

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

Lighter +40%#F1F2FA

Lighter +30%#CAD1EE

Lighter +20%#A4AFE1

Lighter +10%#7D8DD5

Darker −10%#3A4FB2

Darker −20%#2E3E8B

Darker −30%#212D65

Darker −40%#141C3F

More saturated +25%#3B59E4

Less saturated −25%#737DAC

Channel breakdown

R87

G107

B200

Red87 (34.1%)

Green107 (42%)

Blue200 (78.4%)

Hue229.38°

Saturation (HSL)50.67%

Lightness56.27%

Dominant channelBlue

Hex per channelR 57 · G 6B · B C8

Keep nerding

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

#576BC8

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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