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Recognised as Colour

#556EC3

  • #556EC3
  • Blue
  • Dark
  • Nearest: Cornflower blue

#556EC3 is a blue with RGB values 85, 110, 195 and HSL 226°, 48%, 55%. It is a dark colour, so white text on it reaches 4.8:1 contrast (AA for normal text). The nearest named colour is Cornflower blue.

Colour values

#556EC3#556EC3
HEX#556EC3
RGBrgb(85, 110, 195)
RGB (0–1)0.3333, 0.4314, 0.7647
RGB percentages33.3%, 43.1%, 76.5%
HSLhsl(226.4, 47.8%, 54.9%)
HSV / HSBhsv(226.4, 56.4%, 76.5%)
CMYK56.4%, 43.6%, 0%, 23.5%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer5,598,915
CSS custom property--colour: #556EC3;

Brightness & contrast

Relative luminance0.17023WCAG 2.x, 0 is black and 1 is white
Perceived brightness116.6 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 4.77:1
Contrast with white4.77:1WCAG normal text: AA
Contrast with black4.4:1WCAG normal text: Fail
Greyscale equivalent#6F6F6F
Inverted#AA913C

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#4978C6no red cones; affects about 1% of men; ΔE 8.1 from the original
Deuteranopia#3B6EC1no green cones; the most common form, about 1% of men; ΔE 5.7 from the original
Tritanopia#0E818Fno blue cones; rare, and affects men and women equally; ΔE 50.7 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text4.77:1WCAG large text: AAA
Contrast with black, large text4.4:1WCAG large text: AA

Named colours

Cornflower blue · ΔE 15.4Dodgerblue · ΔE 20.4Royal blue · ΔE 20.6Dark slateblue · ΔE 20.8Medium purple · ΔE 21.9Slate blue · ΔE 22.7
Nearest named CSS colourCornflower blue (#6495ED)ΔE 15.35, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#C3AA55
Analogous#55A5C3, #7355C3
Triadic#C3556E, #6EC355
Split complementary#C37355, #A5C355
Tetradic#C355A5, #C3AA55, #55C373

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#ECEFF8
Lighter +30%#C6CEEB
Lighter +20%#A0AEDE
Lighter +10%#7B8ED0
Darker −10%#3C55A9
Darker −20%#2E4284
Darker −30%#212F5E
Darker −40%#141C38
More saturated +25%#385EE0
Less saturated −25%#727EA6

Channel breakdown

R85
G110
B195
Red85 (33.3%)
Green110 (43.1%)
Blue195 (76.5%)
Hue226.36°
Saturation (HSL)47.83%
Lightness54.9%
Dominant channelBlue
Hex per channelR 55 · G 6E · B C3

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Every value on this page was computed from “556ec3” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.