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Recognised as Colour

#556EBD

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

#556EBD is a blue with RGB values 85, 110, 189 and HSL 226°, 44%, 54%. 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

#556EBD#556EBD
HEX#556EBD
RGBrgb(85, 110, 189)
RGB (0–1)0.3333, 0.4314, 0.7412
RGB percentages33.3%, 43.1%, 74.1%
HSLhsl(225.6, 44.1%, 53.7%)
HSV / HSBhsv(225.6, 55%, 74.1%)
CMYK55%, 41.8%, 0%, 25.9%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer5,598,909
CSS custom property--colour: #556EBD;

Brightness & contrast

Relative luminance0.16757WCAG 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 4.83:1
Contrast with white4.83:1WCAG normal text: AA
Contrast with black4.35:1WCAG normal text: Fail
Greyscale equivalent#6E6E6E
Inverted#AA9142

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#4D77C0no red cones; affects about 1% of men; ΔE 6.8 from the original
Deuteranopia#406EBBno green cones; the most common form, about 1% of men; ΔE 5 from the original
Tritanopia#1B7F8Cno blue cones; rare, and affects men and women equally; ΔE 47.1 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text4.83:1WCAG large text: AAA
Contrast with black, large text4.35:1WCAG large text: AA

Named colours

Cornflower blue · ΔE 15.6Dark slateblue · ΔE 21Steel blue · ΔE 22.4Dodgerblue · ΔE 22.5Royal blue · ΔE 24.1Medium purple · ΔE 24.4
Nearest named CSS colourCornflower blue (#6495ED)ΔE 15.56, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#BDA455
Analogous#55A2BD, #7055BD
Triadic#BD556E, #6EBD55
Split complementary#BD7055, #A2BD55
Tetradic#BD55A2, #BDA455, #55BD70

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#E8EBF6
Lighter +30%#C3CCE8
Lighter +20%#9EADDA
Lighter +10%#7A8DCB
Darker −10%#3E56A1
Darker −20%#30427C
Darker −30%#222F57
Darker −40%#141B32
More saturated +25%#375FDB
Less saturated −25%#727DA0

Channel breakdown

R85
G110
B189
Red85 (33.3%)
Green110 (43.1%)
Blue189 (74.1%)
Hue225.58°
Saturation (HSL)44.07%
Lightness53.73%
Dominant channelBlue
Hex per channelR 55 · G 6E · B BD

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