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Colour

#553AD2

  • #553AD2
  • Blue
  • Dark
  • Nearest: Blue violet

#553AD2 is a blue with RGB values 85, 58, 210 and HSL 251°, 63%, 53%. It is a dark colour, so white text on it reaches 7.2:1 contrast (AAA for normal text). The nearest named colour is Blue violet.

Colour values

#553AD2#553AD2
HEX#553AD2
RGBrgb(85, 58, 210)
RGB (0–1)0.3333, 0.2275, 0.8235
RGB percentages33.3%, 22.7%, 82.4%
HSLhsl(250.7, 62.8%, 52.5%)
HSV / HSBhsv(250.7, 72.4%, 82.4%)
CMYK59.5%, 72.4%, 0%, 17.6%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer5,585,618
CSS custom property--colour: #553AD2;

Brightness & contrast

Relative luminance0.09611WCAG 2.x, 0 is black and 1 is white
Perceived brightness95.7 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 7.19:1
Contrast with white7.19:1WCAG normal text: AAA
Contrast with black2.92:1WCAG normal text: Fail
Greyscale equivalent#4B4B4B
Inverted#AAC52D

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#005CD6no red cones; affects about 1% of men; ΔE 27.3 from the original
Deuteranopia#0052CFno green cones; the most common form, about 1% of men; ΔE 22.9 from the original
Tritanopia#006483no blue cones; rare, and affects men and women equally; ΔE 81.9 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text7.19:1WCAG large text: AAA
Contrast with black, large text2.92:1WCAG large text: Fail

Named colours

Blue violet · ΔE 18.5Dark orchid · ΔE 20.1Medium slateblue · ΔE 20.6Dark blue · ΔE 23.1Slate blue · ΔE 24.3Dark violet · ΔE 24.7
Nearest named CSS colourBlue violet (#8A2BE2)ΔE 18.48, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#B7D23A
Analogous#3A6BD2, #A13AD2
Triadic#D2553A, #3AD255
Split complementary#D2A13A, #6BD23A
Tetradic#D23A6B, #B7D23A, #3AD2A1

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#E4E0F8
Lighter +30%#C0B7EE
Lighter +20%#9D8DE5
Lighter +10%#7964DB
Darker −10%#4128B1
Darker −20%#311F87
Darker −30%#22155E
Darker −40%#130C34
More saturated +25%#411CF0
Less saturated −25%#6958B4

Channel breakdown

R85
G58
B210
Red85 (33.3%)
Green58 (22.7%)
Blue210 (82.4%)
Hue250.66°
Saturation (HSL)62.81%
Lightness52.55%
Dominant channelBlue
Hex per channelR 55 · G 3A · B D2

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Every value on this page was computed from “553ad2” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.