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Colour

#5555ED

  • #5555ED
  • Blue
  • Dark
  • Nearest: Medium slateblue

#5555ED is a blue with RGB values 85, 85, 237 and HSL 240°, 81%, 63%. It is a dark colour, so white text on it reaches 5.4:1 contrast (AA for normal text). The nearest named colour is Medium slateblue.

Colour values

#5555ED#5555ED
HEX#5555ED
RGBrgb(85, 85, 237)
RGB (0–1)0.3333, 0.3333, 0.9294
RGB percentages33.3%, 33.3%, 92.9%
HSLhsl(240, 80.9%, 63.1%)
HSV / HSBhsv(240, 64.1%, 92.9%)
CMYK64.1%, 64.1%, 0%, 7.1%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer5,592,557
CSS custom property--colour: #5555ED;

Brightness & contrast

Relative luminance0.14543WCAG 2.x, 0 is black and 1 is white
Perceived brightness113.2 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 5.37:1
Contrast with white5.37:1WCAG normal text: AA
Contrast with black3.91:1WCAG normal text: Fail
Greyscale equivalent#606060
Inverted#AAAA12

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#0071F2no red cones; affects about 1% of men; ΔE 23.2 from the original
Deuteranopia#0064EAno green cones; the most common form, about 1% of men; ΔE 17.1 from the original
Tritanopia#007C99no blue cones; rare, and affects men and women equally; ΔE 82.6 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text5.37:1WCAG large text: AAA
Contrast with black, large text3.91:1WCAG large text: AA

Named colours

Medium slateblue · ΔE 14Slate blue · ΔE 21Royal blue · ΔE 22.4Blue violet · ΔE 24.7Dark orchid · ΔE 25.8Medium purple · ΔE 29.6
Nearest named CSS colourMedium slateblue (#7B68EE)ΔE 13.96, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#EDED55
Analogous#55A1ED, #A155ED
Triadic#ED5555, #55ED55
Split complementary#EDA155, #A1ED55
Tetradic#ED55A1, #EDED55, #55EDA1

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FFFFFF
Lighter +30%#DFDFFC
Lighter +20%#B1B1F7
Lighter +10%#8383F2
Darker −10%#2727E8
Darker −20%#1515C7
Darker −30%#101099
Darker −40%#0B0B6B
More saturated +25%#4343FF
Less saturated −25%#6C6CD6

Channel breakdown

R85
G85
B237
Red85 (33.3%)
Green85 (33.3%)
Blue237 (92.9%)
Hue240°
Saturation (HSL)80.85%
Lightness63.14%
Dominant channelBlue
Hex per channelR 55 · G 55 · B ED

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Every value on this page was computed from “5555ed” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.