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Recognised as Colour

#4763FB

  • #4763FB
  • Blue
  • Dark
  • Nearest: Medium slateblue

#4763FB is a blue with RGB values 71, 99, 251 and HSL 231°, 96%, 63%. It is a dark colour, so white text on it reaches 4.7:1 contrast (AA for normal text). The nearest named colour is Medium slateblue.

Colour values

#4763FB#4763FB
HEX#4763FB
RGBrgb(71, 99, 251)
RGB (0–1)0.2784, 0.3882, 0.9843
RGB percentages27.8%, 38.8%, 98.4%
HSLhsl(230.7, 95.7%, 63.1%)
HSV / HSBhsv(230.7, 71.7%, 98.4%)
CMYK71.7%, 60.6%, 0%, 1.6%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer4,678,651
CSS custom property--colour: #4763FB;

Brightness & contrast

Relative luminance0.17228WCAG 2.x, 0 is black and 1 is white
Perceived brightness120.2 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 4.72:1
Contrast with white4.72:1WCAG normal text: AA
Contrast with black4.45:1WCAG normal text: Fail
Greyscale equivalent#686868
Inverted#B89C04

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#007CFFno red cones; affects about 1% of men; ΔE 20.2 from the original
Deuteranopia#006BF8no green cones; the most common form, about 1% of men; ΔE 10.7 from the original
Tritanopia#008AA6no blue cones; rare, and affects men and women equally; ΔE 82.2 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text4.72:1WCAG large text: AAA
Contrast with black, large text4.45:1WCAG large text: AA

Named colours

Medium slateblue · ΔE 13.8Royal blue · ΔE 19.1Slate blue · ΔE 21.5Medium purple · ΔE 29.5Blue violet · ΔE 30.9Dark orchid · ΔE 31.8
Nearest named CSS colourMedium slateblue (#7B68EE)ΔE 13.81, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#FBDF47
Analogous#47BDFB, #8547FB
Triadic#FB4763, #63FB47
Split complementary#FB8547, #BDFB47
Tetradic#FB47BD, #FBDF47, #47FB85

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FFFFFF
Lighter +30%#DDE2FE
Lighter +20%#ABB8FD
Lighter +10%#798DFC
Darker −10%#1539FA
Darker −20%#0525D7
Darker −30%#041DA5
Darker −40%#031473
More saturated +25%#4360FF
Less saturated −25%#5E73E3

Channel breakdown

R71
G99
B251
Red71 (27.8%)
Green99 (38.8%)
Blue251 (98.4%)
Hue230.67°
Saturation (HSL)95.74%
Lightness63.14%
Dominant channelBlue
Hex per channelR 47 · G 63 · B FB

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Every value on this page was computed from “4763fb” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.