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Recognised as Colour

#4B73BD

  • #4B73BD
  • Blue
  • Dark
  • Nearest: Cornflower blue

#4B73BD is a blue with RGB values 75, 115, 189 and HSL 219°, 46%, 52%. It is a dark colour, so white text on it reaches 4.7:1 contrast (AA for normal text). The nearest named colour is Cornflower blue.

Colour values

#4B73BD#4B73BD
HEX#4B73BD
RGBrgb(75, 115, 189)
RGB (0–1)0.2941, 0.451, 0.7412
RGB percentages29.4%, 45.1%, 74.1%
HSLhsl(218.9, 46.3%, 51.8%)
HSV / HSBhsv(218.9, 60.3%, 74.1%)
CMYK60.3%, 39.2%, 0%, 25.9%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer4,944,829
CSS custom property--colour: #4B73BD;

Brightness & contrast

Relative luminance0.17431WCAG 2.x, 0 is black and 1 is white
Perceived brightness116.3 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 4.68:1
Contrast with white4.68:1WCAG normal text: AA
Contrast with black4.49:1WCAG normal text: Fail
Greyscale equivalent#707070
Inverted#B48C42

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#537AC0no red cones; affects about 1% of men; ΔE 3.8 from the original
Deuteranopia#446FBBno green cones; the most common form, about 1% of men; ΔE 2.1 from the original
Tritanopia#00848Fno blue cones; rare, and affects men and women equally; ΔE 45.1 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text4.68:1WCAG large text: AAA
Contrast with black, large text4.49:1WCAG large text: AA

Named colours

Cornflower blue · ΔE 14.5Steel blue · ΔE 17.4Dodgerblue · ΔE 22.9Dark slateblue · ΔE 24.8Royal blue · ΔE 28.1Medium purple · ΔE 29.3
Nearest named CSS colourCornflower blue (#6495ED)ΔE 14.51, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#BD954B
Analogous#4BACBD, #5C4BBD
Triadic#BD4B73, #73BD4B
Split complementary#BD5C4B, #ACBD4B
Tetradic#BD4BAC, #BD954B, #4BBD5C

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#E0E7F4
Lighter +30%#BBCAE6
Lighter +20%#96ADD8
Lighter +10%#7090CB
Darker −10%#395C9C
Darker −20%#2B4677
Darker −30%#1E3051
Darker −40%#101A2C
More saturated +25%#2C6ADC
Less saturated −25%#6A7C9E

Channel breakdown

R75
G115
B189
Red75 (29.4%)
Green115 (45.1%)
Blue189 (74.1%)
Hue218.95°
Saturation (HSL)46.34%
Lightness51.76%
Dominant channelBlue
Hex per channelR 4B · G 73 · B BD

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Every value on this page was computed from “4b73bd” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.