Colour

#004BF3

#004BF3
Blue
Dark
Nearest: Medium blue

#004BF3 is a blue with RGB values 0, 75, 243 and HSL 221°, 100%, 48%. It is a dark colour, so white text on it reaches 6.4:1 contrast (AA for normal text). The nearest named colour is Medium blue.

Colour values

#004BF3#004BF3

HEX#004BF3

RGBrgb(0, 75, 243)

RGB (0–1)0, 0.2941, 0.9529

RGB percentages0%, 29.4%, 95.3%

HSLhsl(221.5, 100%, 47.6%)

HSV / HSBhsv(221.5, 100%, 95.3%)

CMYK100%, 69.1%, 0%, 4.7%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer19,443

CSS custom property--colour: #004BF3;

Brightness & contrast

Relative luminance0.11503WCAG 2.x, 0 is black and 1 is white

Perceived brightness100.2 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 6.36:1

Contrast with white6.36:1WCAG normal text: AA

Contrast with black3.3:1WCAG normal text: Fail

Greyscale equivalent#474747

Inverted#FFB40C

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#006AF8no red cones; affects about 1% of men; ΔE 21.9 from the original

Deuteranopia#0055F0no green cones; the most common form, about 1% of men; ΔE 9.1 from the original

Tritanopia#007B9Ano blue cones; rare, and affects men and women equally; ΔE 90.6 from the original

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

Contrast with white, large text6.36:1WCAG large text: AAA

Contrast with black, large text3.3:1WCAG large text: AA

Named colours

Medium blue · ΔE 25.2 Blue violet · ΔE 25.8 Medium slateblue · ΔE 26 Royal blue · ΔE 31.8 Dark blue · ΔE 32 Slate blue · ΔE 32.4

Nearest named CSS colourMedium blue (#0000CD)ΔE 25.24, a distinctly different colour

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#F3A800

Analogous#00C4F3, #2F00F3

Triadic#F3004B, #4BF300

Split complementary#F32E00, #C5F300

Tetradic#F300C4, #F3A800, #00F32E

Tints, shades & saturation

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

Lighter +40%#C0D3FF

Lighter +30%#8DB0FF

Lighter +20%#5A8DFF

Lighter +10%#276AFF

Darker −10%#003BC0

Darker −20%#002C8D

Darker −30%#001C5A

Darker −40%#000C27

More saturated +25%#004BF3

Less saturated −25%#1E57D5

Channel breakdown

G75

B243

Red0 (0%)

Green75 (29.4%)

Blue243 (95.3%)

Hue221.48°

Saturation (HSL)100%

Lightness47.65%

Dominant channelBlue

Hex per channelR 00 · G 4B · B F3

Keep nerding

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

#004BF3

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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