Colour

#4883FB

#4883FB
Blue
Dark
Nearest: Royal blue

#4883FB is a blue with RGB values 72, 131, 251 and HSL 220°, 96%, 63%. It is a dark colour, so black text on it reaches 5.9:1 contrast (AA for normal text). The nearest named colour is Royal blue.

Colour values

#4883FB#4883FB

HEX#4883FB

RGBrgb(72, 131, 251)

RGB (0–1)0.2824, 0.5137, 0.9843

RGB percentages28.2%, 51.4%, 98.4%

HSLhsl(220.2, 95.7%, 63.3%)

HSV / HSBhsv(220.2, 71.3%, 98.4%)

CMYK71.3%, 47.8%, 0%, 1.6%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer4,752,379

CSS custom property--colour: #4883FB;

Brightness & contrast

Relative luminance0.24575WCAG 2.x, 0 is black and 1 is white

Perceived brightness137.1 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundBlackcontrast 5.92:1

Contrast with white3.55:1WCAG normal text: Fail

Contrast with black5.92:1WCAG normal text: AA

Greyscale equivalent#7F7F7F

Inverted#B77C04

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#4091FFno red cones; affects about 1% of men; ΔE 9.6 from the original

Deuteranopia#0080F9no green cones; the most common form, about 1% of men; ΔE 5.3 from the original

Tritanopia#009FB3no blue cones; rare, and affects men and women equally; ΔE 65.8 from the original

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

Contrast with white, large text3.55:1WCAG large text: AA

Contrast with black, large text5.92:1WCAG large text: AAA

Named colours

Royal blue · ΔE 10.7 Dodgerblue · ΔE 10.9 Cornflower blue · ΔE 20.3 Slate blue · ΔE 20.9 Medium slateblue · ΔE 21.3 Medium purple · ΔE 22.7

Nearest named CSS colourRoyal blue (#4169E1)ΔE 10.66, a distinctly different colour

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#FBC048

Analogous#48DDFB, #6648FB

Triadic#FB4883, #83FB48

Split complementary#FB6748, #DCFB48

Tetradic#FB48DD, #FBC048, #48FB67

Tints, shades & saturation

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

Lighter +40%#FFFFFF

Lighter +30%#DEE8FE

Lighter +20%#ACC7FD

Lighter +10%#7AA5FC

Darker −10%#1661FA

Darker −20%#054AD8

Darker −30%#0439A6

Darker −40%#032874

More saturated +25%#4482FF

Less saturated −25%#5F8BE4

Channel breakdown

R72

G131

B251

Red72 (28.2%)

Green131 (51.4%)

Blue251 (98.4%)

Hue220.22°

Saturation (HSL)95.72%

Lightness63.33%

Dominant channelBlue

Hex per channelR 48 · G 83 · B FB

Keep nerding

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#4883FB

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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