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Colour

#5556DC

  • #5556DC
  • Blue
  • Dark
  • Nearest: Medium slateblue

#5556DC is a blue with RGB values 85, 86, 220 and HSL 240°, 66%, 60%. It is a dark colour, so white text on it reaches 5.6:1 contrast (AA for normal text). The nearest named colour is Medium slateblue.

Colour values

#5556DC#5556DC
HEX#5556DC
RGBrgb(85, 86, 220)
RGB (0–1)0.3333, 0.3373, 0.8627
RGB percentages33.3%, 33.7%, 86.3%
HSLhsl(239.6, 65.9%, 59.8%)
HSV / HSBhsv(239.6, 61.4%, 86.3%)
CMYK61.4%, 60.9%, 0%, 13.7%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer5,592,796
CSS custom property--colour: #5556DC;

Brightness & contrast

Relative luminance0.13754WCAG 2.x, 0 is black and 1 is white
Perceived brightness109.6 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 5.6:1
Contrast with white5.6:1WCAG normal text: AA
Contrast with black3.75:1WCAG normal text: Fail
Greyscale equivalent#5F5F5F
Inverted#AAA923

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#006EE0no red cones; affects about 1% of men; ΔE 21.8 from the original
Deuteranopia#0062D9no green cones; the most common form, about 1% of men; ΔE 16.3 from the original
Tritanopia#007791no blue cones; rare, and affects men and women equally; ΔE 74.2 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text5.6:1WCAG large text: AAA
Contrast with black, large text3.75:1WCAG large text: AA

Named colours

Medium slateblue · ΔE 9.1Slate blue · ΔE 11.6Royal blue · ΔE 14Medium purple · ΔE 21.9Rebecca purple · ΔE 24.5Dark orchid · ΔE 27.3
Nearest named CSS colourMedium slateblue (#7B68EE)ΔE 9.14, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#DCDB55
Analogous#559ADC, #9755DC
Triadic#DC5556, #56DC55
Split complementary#DC9755, #9ADC55
Tetradic#DC559A, #DCDB55, #55DC97

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FEFEFF
Lighter +30%#D4D4F6
Lighter +20%#AAAAED
Lighter +10%#7F80E5
Darker −10%#2B2DD3
Darker −20%#2324A8
Darker −30%#1A1B7E
Darker −40%#111254
More saturated +25%#3B3DF6
Less saturated −25%#6F6FC2

Channel breakdown

R85
G86
B220
Red85 (33.3%)
Green86 (33.7%)
Blue220 (86.3%)
Hue239.56°
Saturation (HSL)65.85%
Lightness59.8%
Dominant channelBlue
Hex per channelR 55 · G 56 · B DC

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Every value on this page was computed from “5556dc” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.