Recognised as Colour

#3570DA

#3570DA
Blue
Dark
Nearest: Royal blue

#3570DA is a blue with RGB values 53, 112, 218 and HSL 219°, 69%, 53%. It is a dark colour, so white text on it reaches 4.7:1 contrast (AA for normal text). The nearest named colour is Royal blue.

Colour values

#3570DA#3570DA

HEX#3570DA

RGBrgb(53, 112, 218)

RGB (0–1)0.2078, 0.4392, 0.8549

RGB percentages20.8%, 43.9%, 85.5%

HSLhsl(218.5, 69%, 53.1%)

HSV / HSBhsv(218.5, 75.7%, 85.5%)

CMYK75.7%, 48.6%, 0%, 14.5%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer3,502,298

CSS custom property--colour: #3570DA;

Brightness & contrast

Relative luminance0.17407WCAG 2.x, 0 is black and 1 is white

Perceived brightness116.7 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 4.69:1

Contrast with white4.69:1WCAG normal text: AA

Contrast with black4.48:1WCAG normal text: Fail

Greyscale equivalent#6B6B6B

Inverted#CA8F25

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#327CDEno red cones; affects about 1% of men; ΔE 8 from the original

Deuteranopia#006DD8no green cones; the most common form, about 1% of men; ΔE 3.6 from the original

Tritanopia#00899Ano blue cones; rare, and affects men and women equally; ΔE 59.7 from the original

Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning

Contrast with white, large text4.69:1WCAG large text: AAA

Contrast with black, large text4.48:1WCAG large text: AA

Named colours

Royal blue · ΔE 10.1 Dodgerblue · ΔE 13.7 Slate blue · ΔE 18.7 Cornflower blue · ΔE 18.9 Medium purple · ΔE 22.2 Medium slateblue · ΔE 24.2

Nearest named CSS colourRoyal blue (#4169E1)ΔE 10.11, a distinctly different colour

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#DA9F35

Analogous#35C3DA, #4C35DA

Triadic#DA3570, #70DA35

Split complementary#DA4D35, #C2DA35

Tetradic#DA35C3, #DA9F35, #35DA4D

Tints, shades & saturation

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

Lighter +40%#E1EAFA

Lighter +30%#B6CCF2

Lighter +20%#8BADEA

Lighter +10%#608FE2

Darker −10%#2258BA

Darker −20%#1A448F

Darker −30%#122F64

Darker −40%#0A1B39

More saturated +25%#1767F8

Less saturated −25%#5379BC

Channel breakdown

R53

G112

B218

Red53 (20.8%)

Green112 (43.9%)

Blue218 (85.5%)

Hue218.55°

Saturation (HSL)69.04%

Lightness53.14%

Dominant channelBlue

Hex per channelR 35 · G 70 · B DA

Keep nerding

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

#3570DA

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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