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Recognised as Colour

#4B4BBF

  • #4B4BBF
  • Blue
  • Dark
  • Nearest: Slate blue

#4B4BBF is a blue with RGB values 75, 75, 191 and HSL 240°, 48%, 52%. It is a dark colour, so white text on it reaches 6.9:1 contrast (AA for normal text). The nearest named colour is Slate blue.

Colour values

#4B4BBF#4B4BBF
HEX#4B4BBF
RGBrgb(75, 75, 191)
RGB (0–1)0.2941, 0.2941, 0.749
RGB percentages29.4%, 29.4%, 74.9%
HSLhsl(240, 47.5%, 52.2%)
HSV / HSBhsv(240, 60.7%, 74.9%)
CMYK60.7%, 60.7%, 0%, 25.1%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer4,934,591
CSS custom property--colour: #4B4BBF;

Brightness & contrast

Relative luminance0.1029WCAG 2.x, 0 is black and 1 is white
Perceived brightness95.6 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 6.87:1
Contrast with white6.87:1WCAG normal text: AA
Contrast with black3.06:1WCAG normal text: Fail
Greyscale equivalent#535353
Inverted#B4B440

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#005FC3no red cones; affects about 1% of men; ΔE 19 from the original
Deuteranopia#0055BDno green cones; the most common form, about 1% of men; ΔE 14.4 from the original
Tritanopia#00677Eno 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 text6.87:1WCAG large text: AAA
Contrast with black, large text3.06:1WCAG large text: AA

Named colours

Slate blue · ΔE 7.8Royal blue · ΔE 13.4Medium slateblue · ΔE 15.8Rebecca purple · ΔE 17Medium purple · ΔE 20Dark slateblue · ΔE 22.2
Nearest named CSS colourSlate blue (#6A5ACD)ΔE 7.82, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#BFBF4B
Analogous#4B85BF, #854BBF
Triadic#BF4B4B, #4BBF4B
Split complementary#BF854B, #85BF4B
Tetradic#BF4B85, #BFBF4B, #4BBF85

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#E1E1F5
Lighter +30%#BCBCE7
Lighter +20%#9696DA
Lighter +10%#7171CC
Darker −10%#38389F
Darker −20%#2B2B79
Darker −30%#1E1E53
Darker −40%#10102E
More saturated +25%#2D2DDE
Less saturated −25%#6A6AA1

Channel breakdown

R75
G75
B191
Red75 (29.4%)
Green75 (29.4%)
Blue191 (74.9%)
Hue240°
Saturation (HSL)47.54%
Lightness52.16%
Dominant channelBlue
Hex per channelR 4B · G 4B · B BF

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Every value on this page was computed from “4b4bbf” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.