Colour

#357AFF

#357AFF
Blue
Dark
Nearest: Royal blue

#357AFF is a blue with RGB values 53, 122, 255 and HSL 220°, 100%, 60%. It is a dark colour, so black text on it reaches 5.4:1 contrast (AA for normal text). The nearest named colour is Royal blue.

Colour values

#357AFF#357AFF

HEX#357AFF

RGBrgb(53, 122, 255)

RGB (0–1)0.2078, 0.4784, 1

RGB percentages20.8%, 47.8%, 100%

HSLhsl(219.5, 100%, 60.4%)

HSV / HSBhsv(219.5, 79.2%, 100%)

CMYK79.2%, 52.2%, 0%, 0%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer3,504,895

CSS custom property--colour: #357AFF;

Brightness & contrast

Relative luminance0.21896WCAG 2.x, 0 is black and 1 is white

Perceived brightness130.3 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundBlackcontrast 5.38:1

Contrast with white3.9:1WCAG normal text: Fail

Contrast with black5.38:1WCAG normal text: AA

Greyscale equivalent#757575

Inverted#CA8500

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#118BFFno red cones; affects about 1% of men; ΔE 14.8 from the original

Deuteranopia#0078FCno green cones; the most common form, about 1% of men; ΔE 3.1 from the original

Tritanopia#009BB1no blue cones; rare, and affects men and women equally; ΔE 72.4 from the original

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

Contrast with white, large text3.9:1WCAG large text: AA

Contrast with black, large text5.38:1WCAG large text: AAA

Named colours

Royal blue · ΔE 9.3 Medium slateblue · ΔE 17.4 Dodgerblue · ΔE 18.4 Slate blue · ΔE 20 Medium purple · ΔE 25 Cornflower blue · ΔE 29

Nearest named CSS colourRoyal blue (#4169E1)ΔE 9.27, clearly different but related

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#FFBA35

Analogous#35DFFF, #5535FF

Triadic#FF357A, #7AFF35

Split complementary#FF5535, #DFFF35

Tetradic#FF35DF, #FFBA35, #35FF55

Tints, shades & saturation

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

Lighter +40%#FFFFFF

Lighter +30%#CEDFFF

Lighter +20%#9BBDFF

Lighter +10%#689CFF

Darker −10%#0258FF

Darker −20%#0046CE

Darker −30%#00359B

Darker −40%#002468

More saturated +25%#357AFF

Less saturated −25%#4E82E6

Channel breakdown

R53

G122

B255

Red53 (20.8%)

Green122 (47.8%)

Blue255 (100%)

Hue219.5°

Saturation (HSL)100%

Lightness60.39%

Dominant channelBlue

Hex per channelR 35 · G 7A · B FF

Keep nerding

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

#357AFF

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

Nerdulate something else