Colour

#0057ED

#0057ED
Blue
Dark
Nearest: Medium slateblue

#0057ED is a blue with RGB values 0, 87, 237 and HSL 218°, 100%, 46%. It is a dark colour, so white text on it reaches 5.9:1 contrast (AA for normal text). The nearest named colour is Medium slateblue.

Colour values

#0057ED#0057ED

HEX#0057ED

RGBrgb(0, 87, 237)

RGB (0–1)0, 0.3412, 0.9294

RGB percentages0%, 34.1%, 92.9%

HSLhsl(218, 100%, 46.5%)

HSV / HSBhsv(218, 100%, 92.9%)

CMYK100%, 63.3%, 0%, 7.1%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer22,509

CSS custom property--colour: #0057ED;

Brightness & contrast

Relative luminance0.12931WCAG 2.x, 0 is black and 1 is white

Perceived brightness104.1 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 5.86:1

Contrast with white5.86:1WCAG normal text: AA

Contrast with black3.59:1WCAG normal text: Fail

Greyscale equivalent#4F4F4F

Inverted#FFA812

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#006FF2no red cones; affects about 1% of men; ΔE 16.9 from the original

Deuteranopia#005BEAno green cones; the most common form, about 1% of men; ΔE 4.8 from the original

Tritanopia#007F9Ano blue cones; rare, and affects men and women equally; ΔE 81.6 from the original

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

Contrast with white, large text5.86:1WCAG large text: AAA

Contrast with black, large text3.59:1WCAG large text: AA

Named colours

Medium slateblue · ΔE 18.2 Royal blue · ΔE 19.9 Slate blue · ΔE 23 Blue violet · ΔE 32.4 Dark blue · ΔE 32.8 Medium purple · ΔE 32.9

Nearest named CSS colourMedium slateblue (#7B68EE)ΔE 18.16, a distinctly different colour

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#ED9600

Analogous#00CDED, #2000ED

Triadic#ED0057, #57ED00

Split complementary#ED1F00, #CEED00

Tetradic#ED00CD, #ED9600, #00ED1F

Tints, shades & saturation

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

Lighter +40%#BAD3FF

Lighter +30%#87B3FF

Lighter +20%#5493FF

Lighter +10%#2172FF

Darker −10%#0044BA

Darker −20%#003287

Darker −30%#001F54

Darker −40%#000C21

More saturated +25%#0057ED

Less saturated −25%#1E5FCF

Channel breakdown

G87

B237

Red0 (0%)

Green87 (34.1%)

Blue237 (92.9%)

Hue217.97°

Saturation (HSL)100%

Lightness46.47%

Dominant channelBlue

Hex per channelR 00 · G 57 · B ED

Keep nerding

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

#0057ED

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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