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Recognised as Colour

#555AED

  • #555AED
  • Blue
  • Dark
  • Nearest: Medium slateblue

#555AED is a blue with RGB values 85, 90, 237 and HSL 238°, 81%, 63%. It is a dark colour, so white text on it reaches 5.2:1 contrast (AA for normal text). The nearest named colour is Medium slateblue.

Colour values

#555AED#555AED
HEX#555AED
RGBrgb(85, 90, 237)
RGB (0–1)0.3333, 0.3529, 0.9294
RGB percentages33.3%, 35.3%, 92.9%
HSLhsl(238, 80.9%, 63.1%)
HSV / HSBhsv(238, 64.1%, 92.9%)
CMYK64.1%, 62%, 0%, 7.1%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer5,593,837
CSS custom property--colour: #555AED;

Brightness & contrast

Relative luminance0.15358WCAG 2.x, 0 is black and 1 is white
Perceived brightness115.4 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 5.16:1
Contrast with white5.16:1WCAG normal text: AA
Contrast with black4.07:1WCAG normal text: Fail
Greyscale equivalent#646464
Inverted#AAA512

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#0074F2no red cones; affects about 1% of men; ΔE 22 from the original
Deuteranopia#0067EAno green cones; the most common form, about 1% of men; ΔE 16 from the original
Tritanopia#007F9Bno blue cones; rare, and affects men and women equally; ΔE 80.2 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text5.16:1WCAG large text: AAA
Contrast with black, large text4.07:1WCAG large text: AA

Named colours

Medium slateblue · ΔE 11.2Slate blue · ΔE 18.2Royal blue · ΔE 18.8Medium purple · ΔE 26.8Dark orchid · ΔE 27.2Blue violet · ΔE 27.7
Nearest named CSS colourMedium slateblue (#7B68EE)ΔE 11.23, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#EDE855
Analogous#55A6ED, #9C55ED
Triadic#ED555A, #5AED55
Split complementary#ED9C55, #A6ED55
Tetradic#ED55A6, #EDE855, #55ED9C

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FFFFFF
Lighter +30%#DFE0FC
Lighter +20%#B1B4F7
Lighter +10%#8387F2
Darker −10%#272DE8
Darker −20%#151BC7
Darker −30%#101599
Darker −40%#0B0E6B
More saturated +25%#4349FF
Less saturated −25%#6C70D6

Channel breakdown

R85
G90
B237
Red85 (33.3%)
Green90 (35.3%)
Blue237 (92.9%)
Hue238.03°
Saturation (HSL)80.85%
Lightness63.14%
Dominant channelBlue
Hex per channelR 55 · G 5A · B ED

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Every value on this page was computed from “555aed” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.