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Recognised as Colour

#4B3CAA

  • #4B3CAA
  • Blue
  • Dark
  • Nearest: Rebecca purple

#4B3CAA is a blue with RGB values 75, 60, 170 and HSL 248°, 48%, 45%. It is a dark colour, so white text on it reaches 8.3:1 contrast (AAA for normal text). The nearest named colour is Rebecca purple.

Colour values

#4B3CAA#4B3CAA
HEX#4B3CAA
RGBrgb(75, 60, 170)
RGB (0–1)0.2941, 0.2353, 0.6667
RGB percentages29.4%, 23.5%, 66.7%
HSLhsl(248.2, 47.8%, 45.1%)
HSV / HSBhsv(248.2, 64.7%, 66.7%)
CMYK55.9%, 64.7%, 0%, 33.3%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer4,930,730
CSS custom property--colour: #4B3CAA;

Brightness & contrast

Relative luminance0.0763WCAG 2.x, 0 is black and 1 is white
Perceived brightness84.2 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 8.31:1
Contrast with white8.31:1WCAG normal text: AAA
Contrast with black2.53:1WCAG normal text: Fail
Greyscale equivalent#474747
Inverted#B4C355

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#0052ADno red cones; affects about 1% of men; ΔE 21.7 from the original
Deuteranopia#004AA8no green cones; the most common form, about 1% of men; ΔE 18 from the original
Tritanopia#1E576Dno blue cones; rare, and affects men and women equally; ΔE 61.7 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text8.31:1WCAG large text: AAA
Contrast with black, large text2.53:1WCAG large text: Fail

Named colours

Rebecca purple · ΔE 11.4Slate blue · ΔE 12.2Dark slateblue · ΔE 18.8Midnight blue · ΔE 19.7Indigo · ΔE 19.7Royal blue · ΔE 20
Nearest named CSS colourRebecca purple (#663399)ΔE 11.45, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#9BAA3C
Analogous#3C64AA, #823CAA
Triadic#AA4B3C, #3CAA4B
Split complementary#AA823C, #64AA3C
Tetradic#AA3C64, #9BAA3C, #3CAA82

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#CCC7EB
Lighter +30%#A9A1DE
Lighter +20%#877BD1
Lighter +10%#6556C3
Darker −10%#3A2F84
Darker −20%#2A215F
Darker −30%#191439
Darker −40%#080713
More saturated +25%#361FC7
Less saturated −25%#60598D

Channel breakdown

R75
G60
B170
Red75 (29.4%)
Green60 (23.5%)
Blue170 (66.7%)
Hue248.18°
Saturation (HSL)47.83%
Lightness45.1%
Dominant channelBlue
Hex per channelR 4B · G 3C · B AA

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Every value on this page was computed from “4b3caa” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.