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Colour

#4873BC

  • #4873BC
  • Blue
  • Dark
  • Nearest: Cornflower blue

#4873BC is a blue with RGB values 72, 115, 188 and HSL 218°, 46%, 51%. 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

#4873BC#4873BC
HEX#4873BC
RGBrgb(72, 115, 188)
RGB (0–1)0.2824, 0.451, 0.7373
RGB percentages28.2%, 45.1%, 73.7%
HSLhsl(217.8, 46.4%, 51%)
HSV / HSBhsv(217.8, 61.7%, 73.7%)
CMYK61.7%, 38.8%, 0%, 26.3%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer4,748,220
CSS custom property--colour: #4873BC;

Brightness & contrast

Relative luminance0.1727WCAG 2.x, 0 is black and 1 is white
Perceived brightness115.5 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 4.71:1
Contrast with white4.71:1WCAG normal text: AA
Contrast with black4.45:1WCAG normal text: Fail
Greyscale equivalent#6F6F6F
Inverted#B78C43

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#5379BFno red cones; affects about 1% of men; ΔE 3.2 from the original
Deuteranopia#436EBAno green cones; the most common form, about 1% of men; ΔE 2.8 from the original
Tritanopia#00838Eno blue cones; rare, and affects men and women equally; ΔE 44.1 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text4.71:1WCAG large text: AAA
Contrast with black, large text4.45:1WCAG large text: AA

Named colours

Cornflower blue · ΔE 14.8Steel blue · ΔE 16.6Dodgerblue · ΔE 23.2Dark slateblue · ΔE 25.3Royal blue · ΔE 28.9Medium purple · ΔE 30.3
Nearest named CSS colourCornflower blue (#6495ED)ΔE 14.85, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#BC9148
Analogous#48ADBC, #5748BC
Triadic#BC4873, #73BC48
Split complementary#BC5748, #ADBC48
Tetradic#BC48AD, #BC9148, #48BC57

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#DDE5F3
Lighter +30%#B8C9E5
Lighter +20%#93ACD7
Lighter +10%#6D90CA
Darker −10%#385C99
Darker −20%#2A4674
Darker −30%#1D2F4E
Darker −40%#0F1929
More saturated +25%#296BDB
Less saturated −25%#677B9D

Channel breakdown

R72
G115
B188
Red72 (28.2%)
Green115 (45.1%)
Blue188 (73.7%)
Hue217.76°
Saturation (HSL)46.4%
Lightness50.98%
Dominant channelBlue
Hex per channelR 48 · G 73 · B BC

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Every value on this page was computed from “4873bc” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.