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Recognised as Colour

#4B6FFF

  • #4B6FFF
  • Blue
  • Dark
  • Nearest: Medium slateblue

#4B6FFF is a blue with RGB values 75, 111, 255 and HSL 228°, 100%, 65%. It is a dark colour, so black text on it reaches 5:1 contrast (AA for normal text). The nearest named colour is Medium slateblue.

Colour values

#4B6FFF#4B6FFF
HEX#4B6FFF
RGBrgb(75, 111, 255)
RGB (0–1)0.2941, 0.4353, 1
RGB percentages29.4%, 43.5%, 100%
HSLhsl(228, 100%, 64.7%)
HSV / HSBhsv(228, 70.6%, 100%)
CMYK70.6%, 56.5%, 0%, 0%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer4,943,871
CSS custom property--colour: #4B6FFF;

Brightness & contrast

Relative luminance0.20085WCAG 2.x, 0 is black and 1 is white
Perceived brightness127.8 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 5.02:1
Contrast with white4.19:1WCAG normal text: Fail
Contrast with black5.02:1WCAG normal text: AA
Greyscale equivalent#727272
Inverted#B49000

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#0084FFno red cones; affects about 1% of men; ΔE 19.5 from the original
Deuteranopia#0074FCno green cones; the most common form, about 1% of men; ΔE 9.2 from the original
Tritanopia#0093ACno blue cones; rare, and affects men and women equally; ΔE 78.6 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text4.19:1WCAG large text: AA
Contrast with black, large text5.02:1WCAG large text: AAA

Named colours

Medium slateblue · ΔE 12Royal blue · ΔE 13.6Slate blue · ΔE 18.9Medium purple · ΔE 25.6Dodgerblue · ΔE 28.2Rebecca purple · ΔE 35.1
Nearest named CSS colourMedium slateblue (#7B68EE)ΔE 12.01, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#FFDB4B
Analogous#4BC9FF, #814BFF
Triadic#FF4B6F, #6FFF4B
Split complementary#FF814B, #C9FF4B
Tetradic#FF4BC9, #FFDB4B, #4BFF81

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FFFFFF
Lighter +30%#E4E9FF
Lighter +20%#B1C1FF
Lighter +10%#7E98FF
Darker −10%#1846FF
Darker −20%#002EE4
Darker −30%#0023B1
Darker −40%#00197E
More saturated +25%#4B6FFF
Less saturated −25%#617DE9

Channel breakdown

R75
G111
B255
Red75 (29.4%)
Green111 (43.5%)
Blue255 (100%)
Hue228°
Saturation (HSL)100%
Lightness64.71%
Dominant channelBlue
Hex per channelR 4B · G 6F · B FF

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Every value on this page was computed from “4b6fff” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.